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https://issues.apache.org/jira/browse/SOLR-15880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17481269#comment-17481269
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ASF subversion and git services commented on SOLR-15880:
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Commit c309a8a65d8868e8ae034f80d5682b1587db3863 in solr's branch
refs/heads/main from Alessandro Benedetti
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=c309a8a ]
SOLR-15880: K Nearest Neighbors Search (#476)
This contribution introduces dense vector indexing and searching
> Introduce Support to K Nearest Neighbors Search
> -----------------------------------------------
>
> Key: SOLR-15880
> URL: https://issues.apache.org/jira/browse/SOLR-15880
> Project: Solr
> Issue Type: New Feature
> Affects Versions: 9.0
> Reporter: Alessandro Benedetti
> Assignee: Alessandro Benedetti
> Priority: Blocker
> Fix For: 9.0
>
> Attachments: Screen Shot 2022-01-17 at 1.10.14 PM.png, Screen Shot
> 2022-01-17 at 12.49.52 PM.png
>
> Time Spent: 15h 20m
> Remaining Estimate: 0h
>
> This contribution introduces in Apache Solr the ability to run vector-based
> searches using native Apache Lucene data structures optimized for approximate
> nearest neighbours.
> This is the first milestone in introducing Neural Search in Apache Solr.
> More will come later.
> It builds on top of https://issues.apache.org/jira/browse/LUCENE-9004 to
> provide a:
> - *Dense Vector Field* - At moment Single valued, supporting stored, indexed
> - *Knn Query Parser* - simple query parser to run knn search on target vector
> and field
> The Dense Vector field only supports KNN searches (no range query, no field
> queries, no existence queries...)
> The Knn query parser can be used as query, filter query and rerank query.
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