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From Dmitry Serebrennikov <>
Subject Re: Code to provide vector representation for documents
Date Fri, 05 Jul 2002 22:01:32 GMT
No, the code has not been submitted yet. I have sent the older version 
to Doug a while ago, but so far I hadn't have any time to work on 
integrating the code into Lucene 1.2. I expect that in a couple of weeks 
I should be able to get back to that task.


Peter Carlson wrote:

>Has the code that Dmitry wrote that Doug describes below been submitted yet?
>I know we were waiting for v 1.2, but that's done now.
>-----Referenced email -----------
>Dmitry Serebrennikov [] has implemented a substantial
>extension to Lucene which should help folks doing this sort of research.  It
>provides an explicit vector representation for documents.  This way you can,
>e.g., retrieve a number of documents, efficiently sum their vectors, then
>derive a new query from the sum.  This code was posted to the list a long
>while back, but is now out of date.  As soon as the 1.2 release is final,
>and Dmitry has time, he intends to merge it into Lucene.
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