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From "Joel Bernstein (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-6968) LSH Filter
Date Thu, 21 Apr 2016 16:09:25 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-6968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15252122#comment-15252122
] 

Joel Bernstein commented on LUCENE-6968:
----------------------------------------

HI, I believe there will be some work forthcoming from Alfresco on this ticket. We may want
to hold off until those patches go up. Hopefully I will have an update on this soon.

[~teofili], if you feel strongly though that this is ready to commit, then go for it. We can
always make adjustments after the committal as well.

> LSH Filter
> ----------
>
>                 Key: LUCENE-6968
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6968
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Cao Manh Dat
>         Attachments: LUCENE-6968.patch, LUCENE-6968.patch
>
>
> I'm planning to implement LSH. Which support query like this
> {quote}
> Find similar documents that have 0.8 or higher similar score with a given document. Similarity
measurement can be cosine, jaccard, euclid..
> {quote}
> For example. Given following corpus
> {quote}
> 1. Solr is an open source search engine based on Lucene
> 2. Solr is an open source enterprise search engine based on Lucene
> 3. Solr is an popular open source enterprise search engine based on Lucene
> 4. Apache Lucene is a high-performance, full-featured text search engine library written
entirely in Java
> {quote}
> We wanna find documents that have 0.6 score in jaccard measurement with this doc
> {quote}
> Solr is an open source search engine
> {quote}
> It will return only docs 1,2 and 3 (MoreLikeThis will also return doc 4)



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