Alessandro Benedetti created SOLR-17813:
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Summary: 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
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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