dungba88 commented on PR #14009:
URL: https://github.com/apache/lucene/pull/14009#issuecomment-2993030559

   > is when users want to change the matchset of a KnnVectorQuery using 
full-precision or other reranking
   
   Yes that's correct, @vigyasharma. We are using a hybrid search where 
KnnFloatVectorQuery and TermQuery (amongst others) are combined into a single 
BooleanQuery. Thus it is important to change the matchset of 
KnnFloatVectorQuery individually.
   
   For hybrid search in OpenSearch/Elastic Search, I'm wondering if @jmazanec15 
and @benwtrent have any input. I'm having a feeling that it's quite common to 
combine lexical + KNN matching into a single BooleanQuery.


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