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<title>Statistics for the Computer Science Bibliography Collection</title>
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<h1 class="page_title">The Collection of<br />Computer Science Bibliographies</h1><ul class="top_nav"><li><strong><a href="http://liinwww.ira.uka.de/bibliography/index.html" title="Home page of The Collection of Computer Science Bibliographies">Home</a></strong></li>
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<h1>Statistics for the Computer Science Bibliography Collection</h1>
<p>
Following are some tables giving some statistical information on the
bibliographies.
</p>
<hr /><h2>What kind of publications are referenced?</h2>
<table border="1" rules="cols" cellpadding="3">
<tr><th></th><th colspan="4" align="center">Number of</th></tr>
<tr><th align="center">Subject Area</th><th align="center">Journal Articles</th><th align="center">Conference Papers</th><th align="center">Technical Reports</th><th align="center">All Entries</th></tr>
<tr><th align="left">Others/Unclassifieds</th><td align="right">847072 </td><td align="right">892918 </td><td align="right">89784 </td><td align="right">2948711</td></tr>
<tr><th align="left">Theory/Foundations of CS</th><td align="right">113754 </td><td align="right">62262 </td><td align="right">5020 </td><td align="right">200262</td></tr>
<tr><th align="left">Mathematics</th><td align="right">112661 </td><td align="right">7476 </td><td align="right">6437 </td><td align="right">186558</td></tr>
<tr><th align="left">Computer Graphics</th><td align="right">83344 </td><td align="right">80315 </td><td align="right">1873 </td><td align="right">175114</td></tr>
<tr><th align="left">Artificial Intelligence</th><td align="right">40891 </td><td align="right">51053 </td><td align="right">10252 </td><td align="right">137803</td></tr>
<tr><th align="left">Parallel Processing</th><td align="right">40204 </td><td align="right">59143 </td><td align="right">9913 </td><td align="right">130136</td></tr>
<tr><th align="left">Technical Reports</th><td align="right">3156 </td><td align="right">6966 </td><td align="right">54708 </td><td align="right">106623</td></tr>
<tr><th align="left">Compiler</th><td align="right">28971 </td><td align="right">17490 </td><td align="right">5048 </td><td align="right">64670</td></tr>
<tr><th align="left">Softw.Eng./Formal Methods</th><td align="right">23343 </td><td align="right">29748 </td><td align="right">3246 </td><td align="right">64613</td></tr>
<tr><th align="left">Distributed Systems</th><td align="right">23553 </td><td align="right">8052 </td><td align="right">2406 </td><td align="right">43099</td></tr>
<tr><th align="left">Databases</th><td align="right">13264 </td><td align="right">16268 </td><td align="right">2352 </td><td align="right">37727</td></tr>
<tr><th align="left">Human-Comp. Interaction</th><td align="right">8559 </td><td align="right">22666 </td><td align="right">12 </td><td align="right">35114</td></tr>
<tr><th align="left">Neural Networks</th><td align="right">14374 </td><td align="right">8457 </td><td align="right">1506 </td><td align="right">28570</td></tr>
<tr><th align="left">Operating Systems</th><td align="right">12526 </td><td align="right">8066 </td><td align="right">661 </td><td align="right">24964</td></tr>
<tr><th align="left">Logic Programming</th><td align="right">2373 </td><td align="right">5579 </td><td align="right">1301 </td><td align="right">11187</td></tr>
<tr><th align="left">Typesetting</th><td align="right">5655 </td><td align="right">1494 </td><td align="right">185 </td><td align="right">10809</td></tr>
<tr><th align="left">Object-Oriented</th><td align="right">2096 </td><td align="right">4114 </td><td align="right">1154 </td><td align="right">9973</td></tr>
<tr><th align="left">Wavelets</th><td align="right">1338 </td><td align="right">381 </td><td align="right">353 </td><td align="right">2864</td></tr>
<tr><th>Total</th><td align="right">1377134</td><td align="right">1282448</td><td align="right">196211</td><td align="right"><strong>4218797</strong></td></tr>
</table>


<hr />
<h2>What kind of additional information is contained in the references?</h2>
<table border="1" rules="cols" cellpadding="3">
<tr><th></th><td colspan="3" align="center">Number of references with</td></tr>
<tr><th>Subject Area</th><th>Abstracts</th><th>Keyword Fields</th><th>URLs</th></tr>
<tr><th align="left">Others/Unclassifieds</th><td align="right">1075354 </td><td align="right">557176 </td><td align="right">2365602</td></tr>
<tr><th align="left">Theory/Foundations of CS</th><td align="right">3861 </td><td align="right">32708 </td><td align="right">26322</td></tr>
<tr><th align="left">Mathematics</th><td align="right">12460 </td><td align="right">112912 </td><td align="right">115316</td></tr>
<tr><th align="left">Computer Graphics</th><td align="right">7499 </td><td align="right">43819 </td><td align="right">102729</td></tr>
<tr><th align="left">Artificial Intelligence</th><td align="right">13378 </td><td align="right">21485 </td><td align="right">33860</td></tr>
<tr><th align="left">Parallel Processing</th><td align="right">19660 </td><td align="right">78641 </td><td align="right">45640</td></tr>
<tr><th align="left">Technical Reports</th><td align="right">79038 </td><td align="right">53065 </td><td align="right">50427</td></tr>
<tr><th align="left">Compiler</th><td align="right">7692 </td><td align="right">27417 </td><td align="right">14374</td></tr>
<tr><th align="left">Softw.Eng./Formal Methods</th><td align="right">12511 </td><td align="right">7243 </td><td align="right">27530</td></tr>
<tr><th align="left">Distributed Systems</th><td align="right">3889 </td><td align="right">20917 </td><td align="right">18768</td></tr>
<tr><th align="left">Databases</th><td align="right">6883 </td><td align="right">11316 </td><td align="right">9094</td></tr>
<tr><th align="left">Human-Comp. Interaction</th><td align="right">25960 </td><td align="right">8702 </td><td align="right">15513</td></tr>
<tr><th align="left">Neural Networks</th><td align="right">4052 </td><td align="right">1032 </td><td align="right">5943</td></tr>
<tr><th align="left">Operating Systems</th><td align="right">3058 </td><td align="right">3981 </td><td align="right">11168</td></tr>
<tr><th align="left">Logic Programming</th><td align="right">626 </td><td align="right">1805 </td><td align="right">1439</td></tr>
<tr><th align="left">Typesetting</th><td align="right">1301 </td><td align="right">4761 </td><td align="right">3956</td></tr>
<tr><th align="left">Object-Oriented</th><td align="right">998 </td><td align="right">4569 </td><td align="right">3065</td></tr>
<tr><th align="left">Wavelets</th><td align="right">504 </td><td align="right">566 </td><td align="right">851</td></tr>
<tr><th>Total</th><td align="right">1278724</td><td align="right">992115</td><td align="right">2851597</td></tr>
</table>


<hr />
<h2>Distribution of publication dates</h2>
<p><object data="all.years.stats.svgz" type="image/svg+xml" width="800" height="400" style="width: 80ex; height: 40ex;">
<img src="all.years.stats.png" alt="Distribution of publication dates" title="Distribution of publication dates" />
</object></p>
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