Mercurial > p > roundup > code
annotate doc/html_extra/original_overview.html @ 8556:dd0445649244
bug(perf): put legacy '_file' last in tuple to speed up match
| author | John Rouillard <rouilj@ieee.org> |
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| date | Mon, 06 Apr 2026 01:30:55 -0400 |
| parents | 6a53d46d1c57 |
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1 <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"> |
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2 <html><head> |
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3 <title>Roundup: an Issue-Tracking System for Knowledge Workers</title> |
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4 <link rev=made href="mailto:ping@lfw.org"> |
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5 |
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6 <link rel="canonical" |
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7 href="https://www.roundup-tracker.org/docs/original_overview.html" /> |
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8 </head><body> |
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9 |
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10 <meta name="description" content="Ping's original proposal for the Roundup Issue Tracker submitted for the software carpentry contest."> |
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11 |
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12 <table width="100%"> |
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13 <tr> |
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14 |
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15 <td align="left"> |
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16 <a href="https://web.archive.org/web/20010828124306/http://www.software-carpentry.com"> |
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17 <img src="images/logo-software-carpentry-standard.png" alt="[Software Carpentry logo]" border="0"> |
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18 </a> |
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19 </td> |
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20 |
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21 <td align="right"> |
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22 <table> |
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23 <tr><td> |
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24 <a href="http://www.acl.lanl.gov"> |
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25 <img src="images/logo-acl-medium.png" alt="[ACL Logo]" border="0"> |
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26 </a> |
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27 </td></tr> |
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28 <tr><td><hr></td></tr> |
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29 <tr><td> |
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30 <a href="http://www.codesourcery.com"> |
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31 <img src="images/logo-codesourcery-medium.png" alt="[CodeSourcery Logo]" border="0"> |
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32 </a> |
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33 </td></tr> |
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34 </table> |
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35 </td> |
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36 |
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37 </tr> |
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38 |
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39 <tr> |
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40 |
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41 <td colspan="2"><em> |
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42 Copyright (c) 2000 Ka-Ping Yee. This material may |
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43 be distributed only subject to the terms and conditions set forth in |
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44 the Software Carpentry Open Publication License, which is available at: |
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45 <center> |
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46 <a href="https://web.archive.org/web/20010828124306/http://www.software-carpentry.com/openpub-license.html">http://www.software-carpentry.com/openpub-license.html</a> |
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47 </center> |
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48 </em></td> |
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49 |
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50 </tr> |
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51 </table> |
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52 |
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53 <p><hr><p> |
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54 |
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55 |
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56 <h1 align=center>Roundup</h1> |
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57 <h3 align=center>An Issue-Tracking System for Knowledge Workers</h3> |
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58 <h4 align=center>Ka-Ping Yee</h4> |
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59 <h4 align=center><a href="http://lfw.org/">lfw discorporated</a><br> |
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60 <a href="mailto:ping@lfw.org">ping@lfw.org</a></h4> |
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61 |
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62 <!-- the following line will start a comment in lynx -soft_dquotes mode --> |
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63 <p style="><!--"> |
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64 |
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65 <p><hr> |
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66 <h2>Contents</h2> |
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67 |
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68 <ul> |
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69 <li><a href="#overview">Overview</a> |
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70 <li><a href="#background">Background</a> |
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71 <ul> |
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72 <li><a href="#principles">Guiding Principles</a> |
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73 </ul> |
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74 <li><a href="#data">Data Model</a> |
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75 <ul> |
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76 <li><a href="#hyperdb">The Hyperdatabase</a> |
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77 <li><a href="#rationale">Rationale</a> |
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78 <li><a href="#roundupdb">Roundup's Hyperdatabase</a> |
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79 <li><a href="#schema">The Default Schema</a> |
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80 </ul> |
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81 <li><a href="#ui">User Interface</a> |
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82 <ul> |
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83 <li><a href="#discuss">Submission and Discussion (Nosy Lists)</a> |
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84 <li><a href="#edit">Editing (Templated UI)</a> |
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85 <li><a href="#browse">Browsing and Searching</a> |
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86 </ul> |
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87 <li><a href="#devplan">Development Plan</a> |
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88 <li><a href="#issues">Open Issues</a> |
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89 <li><a href="#summary">Summary</a> |
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90 <li><a href="#ack">Acknowledgements</a> |
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91 </ul> |
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92 |
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93 <!-- this comment will end the comment started in lynx -soft_dquotes mode --> |
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94 |
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95 <p><hr> |
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96 <h2><a name="overview">Overview</a></h2> |
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97 |
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98 <p>We propose an issue-tracking system called |
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99 <em>Roundup</em>, which will manage a number of issues |
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100 (with properties such as "description", "priority", and so on) |
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101 and provide the ability to |
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102 (a) submit new issues, |
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103 (b) find and edit existing issues, |
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104 and |
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105 (c) discuss issues with other participants. |
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106 The system will facilitate communication |
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107 among the participants by managing discussions and |
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108 notifying interested parties when issues are edited. |
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109 |
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110 <p>This design draws on experience from |
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111 <a href="http://lfw.org/ping/roundup.html">an existing |
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112 implementation</a> which we will refer to |
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113 as "the Roundup prototype". |
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114 The graphical interface we have in mind will resemble |
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115 <a href="images/roundup-1.png"> |
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116 the main display of the prototype</a>. |
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117 |
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118 <p align=center> |
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119 <a href="images/roundup-1.png"> |
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120 <img src="images/roundup.png" width=358 height=205 border=0 |
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121 alt="Web page with a green banner at the top titled Index of Bugs. Checkboxes to filter issue selection and a table of displayed issues, grouped by severity."></a> |
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122 |
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123 <p><hr> |
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124 <h2><a name="background">Background</a></h2> |
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125 |
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126 <p>A typical software project requires the management of |
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127 many tasks, usually distributed among several collaborators. |
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128 In fact, any project team |
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129 could use a tool for sorting out and discussing all the |
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130 relevant issues. A common approach is to set up some kind |
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131 of "to-do" list that people can share. |
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132 |
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133 <p>However, to address the overall problem we need much more |
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134 than just a shared to-do list; we need to |
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135 manage a growing body of knowledge and experience to help a |
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136 team collaborate effectively on a project. The issue-tracking |
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137 tool becomes a nexus for communication: the Grand Central |
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138 Station of the group intelligence. |
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139 |
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140 <p>The primary focus of this design is to help |
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141 developers work together well, not to provide a customer |
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142 service interface to the developers. This is not to say that |
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143 the design is to be made unsuitable for customers to use. |
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144 Rather, it is assumed that many of the same qualities |
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145 that are good for supporting development (see below) |
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146 are also good for non-developers using the system. |
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147 Additional niceties |
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148 for providing a safe or simplified interface to clients are |
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149 intentionally deferred for later consideration. |
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150 |
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151 <p>A good issue-tracking system should have at least the |
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152 following properties: |
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153 |
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154 <p><table align=right width="40%" bgcolor="#808080" |
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155 cellspacing=0 cellpadding=0 border=0><tr><td |
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156 ><table bgcolor="#e8e8e8" width="100%" |
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157 cellspacing=0 cellpadding=5 border=0><tr><td |
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158 ><p><font color="#808080"><small> |
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159 With a nod to the time-honoured computer science tradition |
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160 of "filling in the fourth quadrant", we note that |
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161 there are really four kinds of information flow |
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162 going on here. The three mentioned qualities |
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163 really address the first three quadrants of this 2-by-2 matrix, |
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164 respectively: |
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165 |
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166 <ol> |
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167 <li>User push: a user submits information to the system. |
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168 <li>User pull: a user queries for information from the system. |
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169 <li>System push: the system sends information out to users. |
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170 <li>System pull: the system solicits information from users. |
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171 </ol> |
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172 |
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173 An example of the fourth kind of flow is voting. |
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174 Voting isn't described in this design, |
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175 but it should be noted as a potential enhancement. |
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176 </small></font></td></tr></table></td></tr></table> |
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177 |
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178 <ol> |
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179 <li><strong>Low barrier to participation.</strong> |
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180 The usefulness of the tool depends entirely on the |
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181 information people contribute to it. It must be made |
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182 as easy as possible to submit new issues and contribute |
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183 information about existing issues.<p> |
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184 |
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185 <li><strong>Straightforward navigation.</strong> |
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186 It should be easy for users to extract information they need |
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187 from the system to direct their decisions and tasks. |
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188 They should be able to get a decent overview of |
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189 things as well as finding specific information when |
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190 they know what they're after.<p> |
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191 |
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192 <li><strong>Controlled information flow.</strong> |
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193 The users must have control over how much information and |
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194 what information they get. A common flaw of some issue-tracking |
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195 systems is that they inundate users with so much useless |
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196 e-mail that people avoid the system altogether. |
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197 </ol> |
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198 <br clear=all> |
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199 |
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200 <p><br> |
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201 <h3><a name="principles">Guiding Principles</a></h3> |
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202 |
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203 <p><strong>Simplicity.</strong> It is a strong requirement |
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204 that the tool be accessible and understandable. It should |
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205 be fairly obvious what different parts of the interface do, |
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206 and the inner mechanisms should operate in ways that most |
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207 users can easily predict. |
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208 |
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209 <p><strong>Efficiency.</strong> |
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210 We aim to optimize for minimum effort to do the most common |
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211 operations, and best use of resources like screen real estate |
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212 to maximize the amount of information that we summarize and present. |
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213 |
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214 <p><strong>Generality.</strong> We try to avoid making |
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215 unnecessary assumptions that would restrict the applicability |
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216 of the tool. For example, there is no reason why one might |
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217 not also want to use this tool to manage a design process, |
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218 non-software projects, or organizational decisions. |
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219 |
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220 <p><strong>Persistence.</strong> We |
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221 prefer hiding or reclassifying information to deleting it. |
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222 This helps support the collection of statistics later. |
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223 If records are never destroyed, there is little danger |
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224 in providing access to a larger community, and logging yields |
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225 accountability, which may encourage better behaviour. |
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226 |
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227 <p><hr> |
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228 <p><table align=right width="40%" bgcolor="#808080" |
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229 cellspacing=0 cellpadding=0 border=0><tr><td |
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230 ><table bgcolor="#e8e8e8" width="100%" |
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231 cellspacing=0 cellpadding=5 border=0><tr><td |
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232 ><font color="#808080"><small> |
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233 Okay, enough ranting. Let's get down to business. |
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234 </small></font></td></tr></table></td></tr></table> |
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235 <h2><a name="data">Data Model</a></h2> |
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236 |
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237 <p>Roundup stores a number of <em>items</em>, each of |
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238 which can have several properties and an associated discussion. |
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239 The properties can be used to classify or search for items. |
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240 The discussion is a sequence of e-mail messages. |
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241 Each item is identified by a unique number, and has |
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242 an activity log which |
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243 records the time and content of edits made on its properties. |
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244 The log stays fairly small since the design intentionally |
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245 provides only small data types as item properties, and |
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246 encourages anything large to be attached to |
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247 e-mail where it becomes part of the discussion. |
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248 The next section explains how items are organized. |
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249 |
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250 <h3><a name="hyperdb">The Hyperdatabase</a></h3> |
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251 |
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252 <p><table align=right width="40%" bgcolor="#808080" |
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253 cellspacing=0 cellpadding=0 border=0><tr><td |
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254 ><table bgcolor="#e8e8e8" width="100%" |
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255 cellspacing=0 cellpadding=5 border=0><tr><td |
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256 ><font color="#808080"><small> |
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257 In my opinion, forcing |
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258 items into fixed categories is one of the most |
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259 serious problems with the Roundup prototype. |
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260 The hyperdatabase is an <em>experimental</em> attempt to |
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261 address the problem of information organization, |
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262 whose scope goes beyond just Roundup. |
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263 </small></font></td></tr></table></td></tr></table> |
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264 |
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265 Often when classifying information we are |
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266 asked to select exactly one of a number of categories |
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267 or to fit it into a rigid hierarchy. Yet things |
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268 only sometimes fall into one category; often, |
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269 a piece of information may be related to several concepts. |
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270 |
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271 For example, forcing each item into a single topic |
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272 category is not just suboptimal but counterproductive: |
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273 seekers of that |
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274 item may expect to find it in a different category |
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275 and conclude that the item is not present in the |
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276 database -- which has them <em>worse</em> off |
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277 than if the items were not categorized at all. |
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278 |
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279 <p>Some systems try to alleviate this problem by |
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280 allowing nodes to appear at multiple locations |
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281 in a tree, as with "aliases" or "symbolic links" in |
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282 a filesystem, for example. This does help somewhat, |
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283 but we want to be even more flexible |
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284 by allowing the |
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285 organization of nodes into sets that may freely |
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286 intersect. Rather than putting each node at exactly |
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287 one place in an overall "grand scheme", a node can |
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288 belong to as many sets as are appropriate. |
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289 |
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290 If we choose to represent the sets themselves as nodes |
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291 and set membership as a link between nodes, |
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292 we're now ready to present the definition of a |
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293 hyperdatabase. |
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294 |
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295 <p><table align=right width="40%" bgcolor="#808080" |
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296 cellpadding=0 cellspacing=0 border=0><tr><td |
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297 ><table bgcolor="#e8e8e8" width="100%" |
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298 cellspacing=0 cellpadding=5 border=0><tr><td |
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299 ><font color="#808080"><small> |
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300 Perhaps it's too pretentious a name? |
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301 You could say this is just like an object database. |
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302 The hyperdatabase is hardly much of an invention; the |
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303 intent is merely to emphasize querying on links |
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304 rather than properties. |
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305 (I haven't heard of this being done with |
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306 object databases before, but plead ignorance if |
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307 there's already a good name for this idea.) |
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308 </small></font></td></tr></table></td></tr></table> |
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309 A <em>hyperdatabase</em> is a collection of <em>nodes</em> |
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310 that may be hyperlinked to |
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311 each other (hence the name "hyperdatabase"). |
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312 Each node carries a collection of key-value pairs, |
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313 where some of the values may be links to other nodes. |
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314 Any node may have an arbitrary number of outgoing and |
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315 incoming links. Hyperdatabases are able to efficiently |
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316 answer queries such as "what nodes link to this node?" |
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317 and "what nodes does this node link to?" |
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318 |
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319 <h3><a name="rationale">Rationale</a></h3> |
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320 |
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321 <p>There are several reasons for building our |
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322 own kind of database for Roundup rather than using an existing one. |
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323 |
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324 Requiring the installation of a full-blown third-party |
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325 SQL database system would probably deter many potential |
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326 users from attempting to set up Roundup; |
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327 yet a real relational database would be too |
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328 complicated to implement on our own. |
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329 |
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330 On the other hand, a hyperdatabase can be implemented fairly easily |
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331 using one of the Python DBM modules, so we can |
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332 take the "batteries-included" approach and provide it |
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333 as part of the system. It's easier to build and understand |
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334 than a true relational database (in accordance with our guiding |
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335 principle of <em>simplicity</em>), but provides |
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336 most of the query functionality we want. |
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337 |
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338 <p>A hyperdatabase is well suited for finding the intersection |
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339 of a number of sets in which items belong. We expect that |
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340 most of the queries people want to do will be of this |
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341 form, rather than complicated SQL queries. For example, a |
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342 typical request might be |
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343 "show me all critical items related to security". |
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344 The ability to store arbitrary key-value pairs and links |
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345 on nodes gives it more flexibility than an RDBMS. |
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346 |
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347 Users are not going to be making thousands of queries |
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348 per second, so it makes sense to optimize for simplicity |
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349 and flexibility rather than performance. |
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350 |
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351 <p align=center><img src="images/hyperdb.png" width=433 height=352 alt=""></a> |
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352 |
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353 |
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354 <h3><a name="roundupdb">Roundup's Hyperdatabase</a></h3> |
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355 |
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356 <p>For our application, we store each item as a node in a |
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357 hyperdatabase. The item's properties are stored |
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358 as key-value pairs on its node. |
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359 Four types of properties are allowed: |
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360 <em>string</em>, <em>date</em>, |
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361 <em>choice</em>, and <em>reference</em>. |
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362 |
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363 <p>The <em>string</em> type is for short, free-form strings. |
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364 String properties are not intended to contain large |
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365 amounts of text, and it is recommended that they be presented |
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366 as one-line fields to encourage brevity. |
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367 |
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368 <p>The <em>date</em> type is for calendar dates and times. |
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369 |
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370 <p>The <em>choice</em> type denotes a single selection |
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371 from a number of options. A <em>choice</em> property |
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372 entails a link from the node possessing the property to |
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373 the node representing the chosen option. |
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374 |
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375 <p>The <em>reference</em> type is for a list of links to any |
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376 number of other nodes in the in the database. A <em>reference</em> |
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377 property, for example, can be used to refer to related items |
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378 or topic categories relevant to an item. |
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379 |
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380 <p>For Roundup, all items have five properties |
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381 that are not customizable: |
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382 |
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383 <ul> |
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384 <li>a <em>string</em> property named <strong>description</strong> |
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385 <li>a <em>reference</em> property named <strong>superseder</strong> |
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386 <li>a <em>reference</em> property named <strong>nosy</strong> |
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387 <li>a <em>date</em> property named <strong>creation</strong> |
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388 <li>a <em>date</em> property named <strong>activity</strong> |
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389 </ul> |
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390 |
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391 <p>The <strong>description</strong> property is a short |
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392 one-line description of the item. |
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393 The detailed description can go in the |
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394 first e-mail message of the item's discussion spool. |
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395 |
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396 <p>The <strong>superseder</strong> property is used to |
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397 support the splitting, joining, or replacing of items. |
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398 When several items need to be |
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399 joined into a single item, all the old items |
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400 link to the new item in their <strong>superseder</strong> |
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401 property. |
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402 When an item needs to be split apart, the item |
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403 references all the new items in its <strong>superseder</strong> |
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404 propety. |
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405 We can easily list all active items just by checking |
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406 for an empty <strong>superseder</strong> property, and trace |
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407 the path of an item's origins by querying the hyperdatabase |
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408 for links. |
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409 |
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410 <p>The <strong>nosy</strong> property contains a list of |
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411 the people who are interested in an item. This |
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412 mechanism is explained in |
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413 <a href="#discuss">the section on Nosy Lists</a>. |
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414 |
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415 <p>The <strong>creation</strong> property records the |
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416 item's creation time. The <strong>activity</strong> |
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417 property records the last time that the item was edited or |
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418 a mail message was added to its discussion spool. These two |
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419 properties are managed by Roundup and are not available to |
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420 be edited like other properties. |
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421 |
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422 <p>Users of the system are also represented by nodes in the |
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423 hyperdatabase, containing properties |
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424 like the user's e-mail address, login name, and password. |
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425 |
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426 <h3><a name="schema">The Default Schema</a></h3> |
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427 |
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428 <p><table align=right width="40%" bgcolor="#808080" |
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429 cellpadding=0 cellspacing=0 border=0><tr><td |
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430 ><table bgcolor="#e8e8e8" width="100%" |
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431 cellspacing=0 cellpadding=5 border=0><tr><td |
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432 ><font color="#808080"><small> |
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433 Roundup could be distributed with a few |
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434 suggested schemas for different purposes. |
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435 One possible enhancement to the |
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436 software-development schema is |
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437 a <em>reference</em> property |
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438 named <strong>implements</strong> for connecting |
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439 development items to design requirements which |
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440 they satisfy, which should |
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441 be enough to provide basic support for |
|
7712
a03f8f681992
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442 <a href="https://web.archive.org/web/20010828124306/http://software-carpentry.codesourcery.com/lists/sc-discuss/msg00046.html">traceability</a>. |
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4897
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443 Clearly there is also potential for adding |
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444 properties for related source files, check-ins, |
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445 test results, regression tests for resolved items, |
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446 and so on, though these have not yet been |
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447 sufficiently well thought out to specify here. |
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448 </small></font></td></tr></table></td></tr></table> |
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449 <p>It is hoped that the hyperdatabase together with the |
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450 specializations mentioned above for Roundup will be |
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451 applicable in a variety of situations |
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452 (in accordance with our guiding principle of <em>generality</em>). |
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453 |
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454 <p>To address the problem at hand, we need |
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455 a specific schema for items applied particularly to software development. |
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456 Again, we are trying to keep the schema simple: too many |
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457 options make it tougher for someone to make a good choice. |
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458 The schema is written here in the same form that it would |
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459 appear in a configuration file. |
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460 <br clear=all> |
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461 |
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462 <pre> |
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463 fixer = Reference() # people who will fix the problem |
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464 |
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465 topic = Reference() # relevant topic keywords |
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466 |
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467 priority = Choice("critical", # panic: work is stopped! |
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468 "urgent", # important, but not deadly |
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469 "bug", # lost work or incorrect results |
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470 "feature", # want missing functionality |
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471 "wish") # avoidable bugs, missing conveniences |
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472 |
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473 status = Choice("unread", # submitted but no action yet |
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474 "deferred", # intentionally set aside |
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475 "chatting", # under review or seeking clarification |
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476 "need-eg", # need a reproducible example of a bug |
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477 "in-progress", # understood; development in progress |
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478 "testing", # we think it's done; others, please test |
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479 "done-cbb", # okay for now, but could be better |
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480 "resolved") # fix has been released |
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481 </pre> |
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482 |
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483 <p>The <strong>fixer</strong> property assigns |
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484 responsibility for an item to a person or a list of people. |
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485 The <strong>topic</strong> property places the |
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486 item in an arbitrary number of relevant topic sets (see |
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487 <a href="#browse">the section on Browsing and Searching</a>). |
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488 |
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489 <p>As previously mentioned, each item gets an activity log. |
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490 Whenever a property on an item is changed, the log |
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491 records the time of the change, the user making the change, |
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492 and the old and new values of the property. This permits |
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493 the later gathering of statistics (for example, the average time |
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494 from submission to resolution). |
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495 |
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496 <p>We do not specify or enforce a state transition graph, |
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497 since making the system rigid in that fashion is probably more |
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498 trouble than it's worth. |
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499 Experience has shown that there are probably |
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500 two convenient automatic state transitions: |
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501 |
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502 <ul> |
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503 <li>from <strong>unread</strong> to <strong>chatting</strong> |
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504 when e-mail is written about an item |
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505 <li>from <strong>testing</strong> to <strong>resolved</strong> |
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506 when a new release of the software is made |
|
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507 </ul> |
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508 |
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509 Beyond these, in accordance with our principle of <em>generality</em>, |
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510 we allow access to the hyperdatabase |
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511 API so that scripts can automate transitions themselves or |
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512 be triggered by changes in the database. |
|
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513 |
|
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514 <p><hr> |
|
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515 <h2><a name="ui">User Interface</a></h2> |
|
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516 |
|
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517 <p>Roundup provides its services through two main interfaces: |
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518 e-mail and the Web. |
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519 This division is chosen to optimize the most common tasks. |
|
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520 |
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521 <p>E-mail is best suited for |
|
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522 the submission of new items since most people are most comfortable |
|
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523 with composing long messages in their own favourite e-mail client. |
|
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524 E-mail also permits them to mention URLs or attach files relevant |
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525 to their submission. Indeed, in many cases people are already |
|
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526 used to making requests by sending e-mail to a mailing list |
|
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527 of people; they can do exactly the same thing to use Roundup |
|
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528 without even thinking about it. |
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parents:
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529 Similarly, people are already |
|
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530 familiar with holding discussions in e-mail, and plenty of |
|
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parents:
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531 valuable usage conventions and software tools already exist for that medium. |
|
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532 |
|
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533 <p>The Web, on the other hand, is best suited for summarizing |
|
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534 and seeking information, because it can present an interactive |
|
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parents:
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535 overview of items. Since the Web has forms, it's also |
|
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parents:
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536 the best place to edit items. |
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|
537 |
|
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538 <h3><a name="discuss">Submission and Discussion</a></h3> |
|
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|
539 |
|
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|
540 <p><table align=right width="40%" bgcolor="#808080" cellpadding=0 border=0 |
|
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parents:
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|
541 ><tr><td><table bgcolor="#e8e8e8" width="100%" cellspacing=0 cellpadding=5 |
|
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Fix broken links to static html doc files (issue2550840)
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542 border=0><tr><td><font color="#808080"><small> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
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|
543 Nosy lists have actually been tried in practice, |
|
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parents:
diff
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|
544 and their emergent properties have |
|
b26176334c88
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John Kristensen <john@jerrykan.com>
parents:
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|
545 turned out to be very effective. |
|
b26176334c88
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John Kristensen <john@jerrykan.com>
parents:
diff
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|
546 They are one of the key strengths of the Roundup prototype, |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
547 and often cause me to wonder if all mailing lists ought to work this way. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
548 Roundup could even replace Hypermail. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
549 </small></font></td></tr></table></td></tr></table> |
|
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John Kristensen <john@jerrykan.com>
parents:
diff
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|
550 |
|
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John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
551 <p>The system needs an address for receiving mail |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
552 and an address that forwards mail to all participants. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
553 Each item has its own list |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
554 of interested parties, known as its <em>nosy list</em>. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
555 Here's how nosy lists work: |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
556 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
557 <p><ol type="a"> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
558 <li>New items are always submitted by sending an e-mail message |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
559 to Roundup. The "Subject:" field becomes the description |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
560 of the new item. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
561 The message is saved in the mail spool of the new item, |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
562 and copied to the list of all participants |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
563 so everyone knows that a new item has been added. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
564 The new item's nosy list initially contains the submitter. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
565 |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
566 <li>All e-mail messages sent by Roundup have their "Reply-To:" |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
567 field set to Roundup's address, and have the item's |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
568 number in the "Subject:" field. Thus, any replies to the |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
569 initial announcement and subsequent threads are all received |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
570 by Roundup. Roundup notes the item number in the "Subject:" |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
571 field of each incoming message and appends the message |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
572 to the appropriate spool. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
573 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
574 <li>Any incoming e-mail tagged with an item number is copied |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
575 to all the people on the item's nosy list, |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
576 and any users found in the "From:", "To:", or "Cc:" fields |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
577 are automatically added to the nosy list. Whenever a user |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
578 edits an item's properties in the Web interface, they are |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
579 also added to the nosy list. |
|
b26176334c88
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John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
580 </ol> |
|
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John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
581 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
582 <p>The effect |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
583 is like each item having its own little mailing list, |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
584 except that no one ever has to worry about subscribing to |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
585 anything. Indicating interest in an issue is sufficient, and if you |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
586 want to bring someone new into the conversation, all you need to do |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
587 is Cc: a message to them. It turns out that no one ever has to worry |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
588 about unsubscribing, either: the nosy lists are so specific in scope |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
589 that the conversation tends to die down by itself when the issue is |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
590 resolved or people no longer find it sufficiently important. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
591 |
|
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592 <p>Each nosy list is like an asynchronous chat room, |
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593 lasting only a short time (typically five or ten messages) |
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594 and involving a small group of people. |
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595 However, that |
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596 group is the <em>right</em> group of people: |
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597 only those who express interest in an item in some way |
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598 ever end up on |
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599 the list, so no one gets spammed with mail they |
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600 don't care about, and no one who <em>wants</em> |
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601 to see mail about a particular item needs to be left |
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602 out, for they can easily join in, and just as easily |
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603 look at the mail spool on an item to catch up on any |
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604 messages they might have missed. |
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605 |
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606 <p>We can take this a step further and |
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607 permit users to monitor particular topics or |
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608 classifications of items |
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609 by allowing other kinds of nodes to |
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610 also have their own nosy lists. |
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611 For example, a manager could be on the |
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612 nosy list of the priority value node for "critical", or a |
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613 developer could be on the nosy list of the |
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614 topic value node for "security". |
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615 The recipients are then |
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616 determined by the union of the nosy lists on the |
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617 item and all the nodes it links to. |
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618 |
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619 <p>Using many small, specific mailing lists results |
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620 in much more effective communication than one big list. |
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621 Taking away the effort of subscribing and unsubscribing |
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622 gives these lists the "feel" of being cheap and |
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623 disposable. |
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624 |
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625 The transparent capture of the mail spool attached to each |
|
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626 issue also yields a nice knowledge repository over time. |
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627 |
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628 |
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629 <h3><a name="edit">Editing</a></h3> |
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630 |
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631 <p> |
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632 <img src="images/edit.png" align=right width=171 height=471 alt=""> |
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633 Since Roundup is intended to support arbitrary user-defined |
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634 schema for item properties, the editing interface must be |
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635 automatically generated from the schema. The configuration for |
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636 Roundup will include a template describing how to lay out the |
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637 properties to present a UI for inspecting and editing items. |
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638 For example: |
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639 |
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640 <pre> |
|
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641 <table width="100%"> |
|
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642 <tr><td align=right>Description:</td> |
|
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643 <td><?property description size=70></td></tr> |
|
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644 <tr><td align=right>Status:</td> |
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645 <td><?property status></td></tr> |
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646 </table> |
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647 </pre> |
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648 |
|
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John Kristensen <john@jerrykan.com>
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649 <p>To display the editing form for an item, Roundup substitutes |
|
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650 an HTML form widget for each <tt><?property </tt>...<tt>></tt> |
|
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|
651 tag, and transfers attributes |
|
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|
652 (such as <tt>size=70</tt> in the above example) |
|
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Fix broken links to static html doc files (issue2550840)
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|
653 from the processing tag to the form widget's tag. |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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654 Each type has its own appropriate editing widget: |
|
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|
655 <ul> |
|
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656 <li><em>string</em> properties appear as text fields |
|
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657 <li><em>date</em> properties appear as text fields |
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658 <li><em>choice</em> properties appear as selection lists |
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John Kristensen <john@jerrykan.com>
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|
659 <li><em>reference</em> properties appear as multiple-selection lists |
|
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Fix broken links to static html doc files (issue2550840)
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660 with a text field for adding a new option |
|
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|
661 </ul> |
|
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|
662 |
|
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John Kristensen <john@jerrykan.com>
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|
663 <p>We foresee the use of custom date fields for things like deadlines, |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
664 so input fields for <em>date</em> properties should support some |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
665 simple way of specifying relative dates (such as "three weeks from now"). |
|
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Fix broken links to static html doc files (issue2550840)
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|
666 |
|
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|
667 <p>The <strong>superseder</strong> property is a special case: |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
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|
668 although it is more efficient to store a <strong>superseder</strong> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
669 property in the superseded item, it makes more sense to provide |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
670 a "supersedes" edit field on the superseding item. So we need |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
671 a special widget on items for this purpose (perhaps something |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
672 as simple as a text field containing a comma-separated list of |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
673 item numbers will do). Links in the <strong>superseder</strong> property |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
674 should appear on both the superseding and superseded items to |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
675 facilitate navigating an item's pedigree. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
676 |
|
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John Kristensen <john@jerrykan.com>
parents:
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|
677 <p>After the editing widgets, the item inspection page shows |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
678 a "note" text box and then a display of the messages in the |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
679 discussion spool, like the Roundup prototype. This field |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
680 lets you enter a note explaining your change when you edit the |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
681 item, and the note is included in the notification message that |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
682 goes out to tell the interested parties on the nosy list of |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
683 your edits. |
|
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John Kristensen <john@jerrykan.com>
parents:
diff
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|
684 |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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changeset
|
685 <h3><a name="browse">Browsing and Searching</a></h3> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
686 |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
687 <p>The ideal we would like to achieve is to make searching as |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
688 much like browsing as possible: the user simply clicks about |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
689 on things that seem interesting, and the information narrows |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
690 down comfortably until the goal is in sight. This is preferable |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
691 to trying to digest a screen filled with widgets and buttons |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
692 or entering a search expression in some arcane algebraic syntax. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
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|
693 |
|
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John Kristensen <john@jerrykan.com>
parents:
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|
694 <p><table align=right width="40%" bgcolor="#808080" cellpadding=0 border=0 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
695 ><tr><td><table bgcolor="#e8e8e8" width="100%" cellspacing=0 cellpadding=5 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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696 border=0><tr><td><font color="#808080"><small> |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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|
697 Though the generation of each page amounts to a database query, |
|
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|
698 so that the underlying mechanism is still a series of queries and |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
699 responses, the user interface never separates the query from |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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|
700 the response, so the <em>experience</em> is one of stepwise |
|
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|
701 refinement. |
|
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John Kristensen <john@jerrykan.com>
parents:
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|
702 </small></font></td></tr></table></td></tr></table> |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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|
703 While a one-shot search may be appropriate when you're |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
704 looking for a single item and you know exactly what you want, it's |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
705 not very helpful when you want an overview of |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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|
706 things ("Gee, there are a lot more high-priority items than |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
707 there were last week!") or trying to do comparisons ("I have |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
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|
708 some time today, so who is busiest and could most use some help?") |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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|
709 <br clear=all> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
710 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
711 <p>The browsing interface presents filtering |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
712 functionality for each of the properties in the schema. As with |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
713 editing, the interface is generated from a template |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
714 describing how to lay out the properties. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
715 Each type of property has its own appropriate filtering widget: |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
716 <ul> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
717 <li><em>string</em> properties appear as text fields supporting |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
718 case-insensitive substring match |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
719 <li><em>date</em> properties appear as a text field with an |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
720 option to choose dates after or before the specified date |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
721 <li><em>choice</em> properties appear as a group of |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
722 selectable options |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
723 (the filter selects the <em>union</em> of the sets of items |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
724 associated with the active options) |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
725 <li><em>reference</em> properties appear as a group of |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
726 selectable options |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
727 (the filter selects the <em>intersection</em> of the sets of items |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
728 associated with the active options) |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
729 </ul> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
730 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
731 <p>For a <em>reference</em> property like <strong>topic</strong>, |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
732 one possibility is to show, as hyperlinks, the keywords whose |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
733 sets have non-empty intersections with the currently displayed set of |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
734 items. Sorting the keywords by popularity seems |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
735 reasonable. Clicking on a keyword then narrows both the list of items |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
736 and the list of keywords. This gives some of the feel of walking |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
737 around a directory tree -- but without the restriction of having |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
738 to select keywords in a particular hierarchical order, and without |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
739 the need to travel all the way to the leaves of the tree before |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
740 any items are visible. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
741 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
742 <p>Below the filtering form is a listing of items, with their |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
743 properties displayed in a table. Rows in the table can also be |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
744 generated from a template, as with the editing interface. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
745 This listing is the central overview of the system, and it |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
746 should aim to maximize the density of |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
747 useful information in accordance with our guiding principle of |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
748 <em>efficiency</em>. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
749 For example, |
|
7712
a03f8f681992
doc: fix links: 302/302, images from lfw.org, wayback for sc
John Rouillard <rouilj@ieee.org>
parents:
7087
diff
changeset
|
750 <a href="images/bugzilla-4.gif">Bugzilla |
|
4897
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
751 initially displays seven or eight items of the index</a>, but only |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
752 after the user has |
|
7712
a03f8f681992
doc: fix links: 302/302, images from lfw.org, wayback for sc
John Rouillard <rouilj@ieee.org>
parents:
7087
diff
changeset
|
753 <a href="images/bugzilla-1.gif">waded</a> |
|
4897
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
754 through |
|
7712
a03f8f681992
doc: fix links: 302/302, images from lfw.org, wayback for sc
John Rouillard <rouilj@ieee.org>
parents:
7087
diff
changeset
|
755 <a href="images/bugzilla-2.gif">three</a> |
|
4897
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
756 bewildering |
|
7712
a03f8f681992
doc: fix links: 302/302, images from lfw.org, wayback for sc
John Rouillard <rouilj@ieee.org>
parents:
7087
diff
changeset
|
757 <a href="images/bugzilla-3.gif">screens</a> of |
|
4897
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
758 form widgets. |
|
7712
a03f8f681992
doc: fix links: 302/302, images from lfw.org, wayback for sc
John Rouillard <rouilj@ieee.org>
parents:
7087
diff
changeset
|
759 <a href="images/jitterbug-1.gif">Jitterbug can't |
|
4897
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
760 even fit any items at all in the first screenful</a>, as it's |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
761 taken up by artwork and adminstrative debris. In contrast, |
|
7712
a03f8f681992
doc: fix links: 302/302, images from lfw.org, wayback for sc
John Rouillard <rouilj@ieee.org>
parents:
7087
diff
changeset
|
762 <a href="images/roundup-1.png">in the |
|
4897
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
763 Roundup prototype, |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
764 25 high-priority issues are immediately visible</a>, with |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
765 most of the screen space devoted to their descriptions. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
766 Colour indicates |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
767 the status of each item to help the eye sift through the index quickly. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
768 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
769 <p>In both Jitterbug and Bugzilla, items are sorted by default by ID, |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
770 a meaningless field. Sorting by ID puts the issues in order by |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
771 ascending submission date, which banishes recent issues far away |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
772 at the bottom of the list. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
773 The Roundup prototype sorts items |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
774 in sections by priority, and then within sections by the date |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
775 of last activity. This reveals at a glance where discussion is |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
776 most active, and provides an easy way for anyone to move an issue |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
777 up in the list. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
778 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
779 <p>The page produced by a given set of browsing options constitutes |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
780 a <em>view</em>. The options should all be part of the query |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
781 parameters in the URL so that views may be bookmarked. A view |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
782 specifies: |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
783 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
784 <ul> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
785 <li>search strings for string properties |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
786 <li>date ranges for date properties |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
787 <li>acceptable values for choice properties |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
788 <li>required values for reference properties |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
789 <li>one or more sort keys |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
790 <li>a list of properties for which to display filtering widgets |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
791 </ul> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
792 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
793 <p>On each sort key there is the option to use sections -- that is, |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
794 instead of making the property's value a column of the table, each |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
795 possible value for the property |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
796 is displayed at the top of a section and all the items having |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
797 that value for that property are grouped underneath. This avoids |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
798 wasting screen space with redundant information. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
799 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
800 <p>We propose that our default view should be: |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
801 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
802 <ul> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
803 <li>all options on for <strong>priority</strong> and <strong>fixer</strong> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
804 <li>all options on except "resolved" for <strong>status</strong> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
805 <li>no options on for <strong>topic</strong> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
806 <li>primary sort by <strong>priority</strong> in sections |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
807 <li>secondary sort by decreasing <strong>activity</strong> date |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
808 </ul> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
809 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
810 <p>The starting URL for Roundup should immediately present the listing of |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
811 items generated by this default view, with no |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
812 preceding query screen. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
813 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
814 <p><hr> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
815 <h2><a name="devplan">Development Plan</a></h2> |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
816 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
817 <p>The hyperdatabase is clearly a separable component which |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
818 can be developed and tested independently to an API specification. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
819 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
820 <p>As soon as the API to the hyperdatabase is nailed down, |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
821 the implementation of the Roundup database layer |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
822 on top of the hyperdatabase can begin. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
823 (This refers to the data types and five fixed properties |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
824 specific to Roundup.) This layer can also be tested separately. |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
825 |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
parents:
diff
changeset
|
826 <p>When the interface to the Roundup hyperdatabase is ready, |
|
b26176334c88
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827 development can begin on the user interface. The mail handler |
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828 and the Web interface can be developed in parallel and mostly |
|
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829 independently of each other. |
|
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830 |
|
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John Kristensen <john@jerrykan.com>
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831 <p>The mail handler can be set up for testing fairly easily: |
|
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Fix broken links to static html doc files (issue2550840)
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832 mail messages on its standard input can be synthesized; |
|
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John Kristensen <john@jerrykan.com>
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833 its output is outgoing mail, which can be |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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834 captured by replacing the implementation of the |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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835 "send mail" function; and its side effects appear in the |
|
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Fix broken links to static html doc files (issue2550840)
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836 hyperdatabase, which has a Python API. |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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837 |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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838 <p>The Web interface is not easily testable in its entirety, |
|
b26176334c88
Fix broken links to static html doc files (issue2550840)
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839 though the most important components of it can be unit tested, |
|
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840 such as the component that translates a view specification |
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841 into a list of items for display, and |
|
b26176334c88
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842 the component that performs replacements on templates |
|
b26176334c88
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843 to produce an editing or filtering interface. |
|
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Fix broken links to static html doc files (issue2550840)
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844 |
|
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John Kristensen <john@jerrykan.com>
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845 <p><hr> |
|
b26176334c88
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846 <h2><a name="issues">Open Issues</a></h2> |
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847 |
|
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848 <p>The description of the hyperdatabase above avoids some |
|
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Fix broken links to static html doc files (issue2550840)
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parents:
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849 issues regarding node typing that need to be better specified. |
|
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850 It is conceivable that eventually Roundup |
|
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851 could support multiple kinds of items with their own schemas. |
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852 |
|
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853 <p>To permit integration with external tools, it is probably |
|
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854 a good idea to provide a command-line tool that exposes the |
|
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855 hyperdatabase API. This tool will be left for a later phase |
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Fix broken links to static html doc files (issue2550840)
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856 of development and so isn't specified in detail here. |
|
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857 |
|
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858 <p>Generating the user interface from a template is like |
|
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859 applying an XSL stylesheet to XML, and if there's a standard |
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860 Python module for performing these transformations, we could |
|
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861 use XML instead. |
|
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John Kristensen <john@jerrykan.com>
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862 |
|
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863 <p>More thinking is needed to determine the best filtering |
|
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864 interface for <em>reference</em> properties. |
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Fix broken links to static html doc files (issue2550840)
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865 The proposed interface works well for topic keywords, but |
|
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John Kristensen <john@jerrykan.com>
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866 it isn't clear what to do when there are too many keywords |
|
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867 to display them all. |
|
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868 |
|
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869 <p>There has been a variety of reactions to the hyperdatabase |
|
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John Kristensen <john@jerrykan.com>
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870 from reviewers: some like it, some are neutral, and some |
|
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|
871 would prefer a "standard" RDBMS solution. |
|
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872 For those in the latter camp, note |
|
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|
873 that it's still possible to build the Roundup database layer |
|
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parents:
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874 around an RDBMS if we really need to. The rest of the design, in |
|
b26176334c88
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875 particular the "nosy list" mechanism, remains intact. |
|
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876 |
|
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Fix broken links to static html doc files (issue2550840)
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877 <p>The possibility of malice by registered users has been disregarded. |
|
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|
878 The system is intended to be used by a co-operative group. |
|
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879 |
|
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880 <p>This design tries to address as many as possible of the |
|
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881 suggested requirements mentioned on |
|
7712
a03f8f681992
doc: fix links: 302/302, images from lfw.org, wayback for sc
John Rouillard <rouilj@ieee.org>
parents:
7087
diff
changeset
|
882 <a href="https://web.archive.org/web/20010828124306/http://software-carpentry.codesourcery.com/sc_track">the contest page</a>: |
|
4897
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|
883 |
|
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John Kristensen <john@jerrykan.com>
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884 <ul> |
|
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885 <li>configuring states: Edit the schema. |
|
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886 <li>setting state transition rules: We don't enforce any rules. |
|
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887 <li>assigning responsibility: Set the <strong>fixer</strong> property. |
|
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John Kristensen <john@jerrykan.com>
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888 <li>splitting and joining: Use the <strong>superseder</strong> property. |
|
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Fix broken links to static html doc files (issue2550840)
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889 <li>hiding information: Add |
|
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Fix broken links to static html doc files (issue2550840)
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890 a property and a pre-defined view that filters on it. |
|
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891 <li>secure protocols: Naturally HTTPS would be nice, though it's largely |
|
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892 a webserver configuration issue; secure e-mail is not addressed. |
|
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893 <li>archiving old issues: Tag them with a property. |
|
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894 <li>identifying repeated issues: Use the <strong>superseder</strong> property. |
|
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895 <li>connecting state changes to external operations: We provide an |
|
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896 API to the database and the notification mechanism so it can be scripted. |
|
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897 <li>non-Latin alphabets: Unicode in Python 1.6 will handle |
|
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|
898 this for string properties, and we can leverage existing standards for |
|
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John Kristensen <john@jerrykan.com>
parents:
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899 internationalizing e-mail messages. |
|
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900 <li>images and other binaries: Attach them to e-mail messages. |
|
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901 <li>inspecting item state: Use the editing interface. |
|
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902 <li>translation between system-dependent formats: This is not addressed. |
|
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903 <li>performing searches: Use the browsing and filtering interface. |
|
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parents:
diff
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904 <li>collecting statistics: Information is gathered in the activity log, |
|
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Fix broken links to static html doc files (issue2550840)
John Kristensen <john@jerrykan.com>
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905 though tools to summarize it are not described here. |
|
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|
906 </ul> |
|
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|
907 |
|
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|
908 <p><hr> |
|
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Fix broken links to static html doc files (issue2550840)
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|
909 <h2><a name="summary">Summary</a></h2> |
|
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parents:
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|
910 |
|
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|
911 <p>Roundup is an issue-tracking system that also functions as |
|
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912 a communications center and a knowledge repository. It combines |
|
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Fix broken links to static html doc files (issue2550840)
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913 the strengths of e-mail and the Web to try to provide the best |
|
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|
914 possible user interaction. |
|
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parents:
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|
915 |
|
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|
916 <ul> |
|
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|
917 <li>The submission and discussion of items by e-mail, permitting |
|
b26176334c88
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John Kristensen <john@jerrykan.com>
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918 participants to use an easy and familiar tool, achieves our goal |
|
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parents:
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919 of <em>low barrier to participation</em>. |
|
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920 <li>The generic link-based structuring of data and use of |
|
b26176334c88
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|
921 incremental filtering rather than one-shot querying makes for |
|
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|
922 <em>straightforward navigation</em>. |
|
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923 <li>The use of <em>nosy lists</em> (a powerful replacement for |
|
b26176334c88
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|
924 e-mail discussion lists) to manage communication on |
|
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925 a fine-grained level provides <em>controlled information flow</em>. |
|
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926 </ul> |
|
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|
927 |
|
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|
928 <p>The use of a "hyperdatabase" as the core model for |
|
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929 the knowledge repository gives us the flexibility to extend |
|
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|
930 Roundup and apply it to a variety of domains by |
|
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|
931 providing new item schemas and user-interface templates. |
|
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|
932 |
|
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|
933 <p>Roundup is self-contained and easy to set up, requiring |
|
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|
934 only a webserver and a mailbox. No one needs to be root to |
|
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|
935 configure the webserver or to install database software. |
|
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|
936 |
|
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|
937 <p>This design is based on an existing deployed |
|
b26176334c88
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|
938 prototype which has proven its strengths and revealed its |
|
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Fix broken links to static html doc files (issue2550840)
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|
939 weaknesses in heavy day-to-day use by a real development team. |
|
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|
940 |
|
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|
941 <p><hr> |
|
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942 <h2><a name="ack">Acknowledgements</a></h2> |
|
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943 |
|
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944 <p>My thanks are due to |
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b26176334c88
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945 Christina Heyl, Jesse Vincent, Mark Miller, Christopher Simons, |
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b26176334c88
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946 Jeff Dunmall, Wayne Gramlich, and Dean Tribble |
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b26176334c88
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947 for reviewing this paper and contributing their suggestions. |
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b26176334c88
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948 |
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949 <p><hr><p> |
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950 |
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951 <center> |
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952 <table> |
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953 <tr> |
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954 <td> <a href="http://www.software-carpentry.com/index.html"><b>[Home]</b></a> </td> |
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b26176334c88
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955 <td> <a href="http://www.software-carpentry.com/faq.html"><b>[FAQ]</b></a> </td> |
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956 <td> <a href="http://www.software-carpentry.com/license.html"><b>[License]</b></a> </td> |
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957 <td> <a href="http://www.software-carpentry.com/contest-rules.html"><b>[Rules]</b></a> </td> |
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958 <td> <a href="http://www.software-carpentry.com/biblio.html"><b>[Resources]</b></a> </td> |
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959 <td> <a href="http://www.software-carpentry.com/lists/"><b>[Archives]</b></a> </td> |
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960 </tr> |
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961 </table> |
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962 </center> |
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963 |
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964 <p><hr> |
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965 <center> |
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966 Last modified 2001/04/06 11:50:59.9063 US/Mountain |
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967 </center> |
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968 </body></html> |
