[dotNetRDF-Develop] Issue CORE-353 has been added to a project you are monitoring.

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<p>The following issue has been added to a project that you are monitoring.</p>
<table border="0">
  <tr>
    <td width="90px" valign="top"><b>Title:</b></td>
    <td>Add new optimization for ORDER BY + DISTINCT combinations</td>
  </tr>
  <tr>
    <td><b>Project:</b></td>
    <td>Core Library (dotNetRDF.dll)</td>
  </tr>
  <tr>
    <td><b>Created By:</b></td>
    <td>Rob Vesse</td>
  </tr>
  <tr>
    <td><b>Milestone:</b></td>
    <td>1.0.0</td>
  </tr>
  <tr>
    <td><b>Category:</b></td>
    <td>Query</td>
  </tr>
  <tr>
    <td><b>Priority:</b></td>
    <td>High</td>
  </tr>
  <tr>
    <td><b>Type:</b></td>
    <td>Improvement</td>
  </tr>
  <tr>
    <td><b>Description:</b></td>
  </tr>
  <tr>
    <td colspan="2"><p>
	I recently added a new optimization to ARQ that significantly improves performance (by an order of magnitude) for certain classes of queries that use certain ORDER BY + DISTINCT combinations, this optimization is simple to implement and easily ported to dotNetRDF.</p>
<ul>
	<li>
		<a href="https://issues.apache.org/jira/browse/JENA-441">JENA-441</a></li>
	<li>
		<a href="http://svn.apache.org/viewvc/jena/trunk/jena-arq/src/main/java/com/hp/hpl/jena/sparql/algebra/optimize/TransformOrderByDistinctAppplication.java?view=markup">TransformOrderByDistinctApplication.java</a></li>
</ul></td>
  </tr>
</table>
<p>
            More information on this issue can be found at
            <a href="http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=353" target="_blank">http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=353</a></p>
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