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https://issues.apache.org/jira/browse/LUCENE-6968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16804310#comment-16804310
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Andy Hind commented on LUCENE-6968:
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[~mayyas], in answer to your questions:
1) Depends on your view - a lower default would probably make sense. The
default of 512 is good for 3-10+ pages of A4 text - again with an "it
depends" caveat ....
2) Query time is covered here https://issues.apache.org/jira/browse/SOLR-12879
You can probably get away with the default query time tokenisation in SOLR,
post BM25.
> LSH Filter
> ----------
>
> Key: LUCENE-6968
> URL: https://issues.apache.org/jira/browse/LUCENE-6968
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/analysis
> Reporter: Cao Manh Dat
> Assignee: Tommaso Teofili
> Priority: Major
> Fix For: 6.2, 7.0
>
> Attachments: LUCENE-6968.4.patch, LUCENE-6968.5.patch,
> LUCENE-6968.6.patch, LUCENE-6968.patch, 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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