I want to combine the scores of knn search + normal keyword search. What are the ways of doing it other than the RRF ranking recently added?
What are the ways to combine the scores of keyword search + vector search other than the RRF ranking recently used?
Yes, you can do a weighted linear combination. When you do a normal
_search call without providing
rank that is what is done. We do a linear combination of the scores where each score respects their provided
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