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https://issues.apache.org/jira/browse/SOLR-17813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18004188#comment-18004188
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Christine Poerschke commented on SOLR-17813:
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FYI [https://github.com/apache/solr/pull/2664] draft
> Add support for SeededKnnVectorQuery
> ------------------------------------
>
> Key: SOLR-17813
> URL: https://issues.apache.org/jira/browse/SOLR-17813
> Project: Solr
> Issue Type: Sub-task
> Reporter: Alessandro Benedetti
> Priority: Major
>
> Apache Lucene implemented a version of knn vector query that provides a query
> seed to initiate the vector search (entry points in the HNSW graph
> exploration).
> See "Lexically-Accelerated Dense Retrieval"(Hrishikesh Kulkarni, Sean
> MacAvaney, Nazli Goharian, Ophir Frieder).
> From SIGIR '23: https://arxiv.org/abs/2307.16779
> With this task, we aim to add to Solr this new query, probably as an
> additional parameter of the current KNN query parser.
> The only relevant parameter is Query seed
> While the Weight seedWeight is added when rewriting the query, so no special
> care should be needed there (see
> org.apache.lucene.search.SeededKnnVectorQuery#rewrite and
> org.apache.lucene.search.SeededKnnVectorQuery#createSeedWeight)
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