Embeddings & Vector SearchVladimir Karpukhin et al. (FAIR, Princeton, University of Washington)FAIRPrinceton UniversityUniversity of Washington
Karpukhin et al. present Dense Passage Retrieval
Presented Dense Passage Retrieval — absolute gains of 9–19 percentage points over BM25 in top-20 retrieval accuracy
Why it matters
Flipped the default from sparse retrieval (BM25) to dense retrieval
Source — Primary sources first; secondary reports are labelled “Press”
Paperarxiv.orghttps://arxiv.org/abs/2004.04906Added in Week 35, 2026 · See that week