Dense Passage Retrieval for Open-Domain Question Answering¶
Authors: Karpukhin et al. Year: 2020 ArXiv/Link: https://arxiv.org/abs/2004.04906
Summary¶
Dense passage retrieval (DPR) using BERT encoders enables effective retrieval without BM25 bag-of-words assumptions.
Key Concepts¶
- Dense retrieval
- Neural ranking
- BERT encoders
- Question-passage matching
- Semantic similarity
Impact¶
Improved retrieval quality through learned dense representations
Category¶
Retrieval-Augmented Generation (RAG)