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Posted to dev@lucene.apache.org by "Tommaso Teofili (JIRA)" <ji...@apache.org> on 2018/10/23 07:13:00 UTC
[jira] [Comment Edited] (SOLR-12879) Query Parser for MinHash/LSH
[ https://issues.apache.org/jira/browse/SOLR-12879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16660186#comment-16660186 ]
Tommaso Teofili edited comment on SOLR-12879 at 10/23/18 7:12 AM:
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+1 for backporting to 7.x branch.
bq. the parser could potentially be given a default name of (say) minhash and included in the standard plugins i.e. https://github.com/apache/lucene-solr/blob/releases/lucene-solr/7.5.0/solr/core/src/java/org/apache/solr/search/QParserPlugin.java#L46
good point, +1 (I think _min_hash_ would be slightly better naming as it aligns with other patterns, e.g. _PayloadCheckQParserPlugin_ registered as _payload_check_ )
bq. The solr/CHANGES.txt entry lacks the customary attribution, just an oversight I'm sure and easily fixed.
yes, sorry! I'll fix it right away.
was (Author: teofili):
+1 for backporting to 7.x branch.
bq. the parser could potentially be given a default name of (say) minhash and included in the standard plugins i.e. https://github.com/apache/lucene-solr/blob/releases/lucene-solr/7.5.0/solr/core/src/java/org/apache/solr/search/QParserPlugin.java#L46
good point, +1 (I think _min_hash_ would be slightly better naming as it align with other patterns, e.g. _PayloadCheckQParserPlugin_ registered as _payload_check_ )
bq. The solr/CHANGES.txt entry lacks the customary attribution, just an oversight I'm sure and easily fixed.
yes, sorry! I'll fix it right away.
> 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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