The Bridge Between Keyword And Vector
ArchiveExpert
A simple but highly effective method for merging ranked lists from different retrievers (dense + sparse) sums 1/(k+rank_i) per document across sources. The algorithm's three-word name is _____(1) _____(2) _____(3). Fill the 3 blanks. Flag format: CONGRESS{1:[word],2:[word],3:[word]}. Example: CONGRESS{1:weighted,2:rank,3:average}.
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The acronym is RRF.
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