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https://issues.apache.org/jira/browse/SOLR-12879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16659793#comment-16659793
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Andy Hind commented on SOLR-12879:
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I don't think there is any reason the patch would not go back to 7.x. It has no
dependencies other than the analyser. It started life on 6.x, where it needed
to disable query co-cordination.
The parser is mostly intended to be used with q and fg parameters. A default
wire up would be great.
I would not be surprised if someone comes up with a use in streaming as it
provides another distance measure.
I will look at adding the docs. The analyser should also have some explanation.
> Query Parser for MinHash/LSH
> ----------------------------
>
> Key: SOLR-12879
> URL: https://issues.apache.org/jira/browse/SOLR-12879
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Components: query parsers
> Affects Versions: master (8.0)
> Reporter: Andy Hind
> Assignee: Tommaso Teofili
> Priority: Major
> Fix For: master (8.0)
>
> Attachments: minhash.patch
>
>
> Following on from https://issues.apache.org/jira/browse/LUCENE-6968, provide
> a query parser that builds queries that provide a measure of Jaccard
> similarity. The initial patch includes banded queries that were also proposed
> on the original issue.
>
> I have one outstanding questions:
> * Should the score from the overall query be normalised?
> Note, that the band count is currently approximate and may be one less than
> in practise.
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