Tag: bm25
All the articles with the tag "bm25".
Semantic and Hybrid Search: BM25, Dense Retrieval and Rank Fusion
Updated:Keyword search matches the words a query uses; dense retrieval matches what it means. BM25 derived and worked on this blog's sections, dense retrieval and its truncation, reciprocal rank fusion, and the metrics. Then a benchmark built from the blog itself, English and Vietnamese: fusion helps in English and hurts in Vietnamese, diacritics matter, and technical Vietnamese can be searched with English keywords, with bootstrap intervals.