Dense Passage Retriever (DPR)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	open-domain question answering system
gptkbp:application	information retrieval open-domain question answering
gptkbp:approach	retrieval-based
gptkbp:architecture	dual-encoder
gptkbp:author	gptkb:Danqi_Chen gptkb:Patrick_Lewis gptkb:Vladimir_Karpukhin gptkb:Wen-tau_Yih gptkb:Sergey_Edunov Ledell Wu Barlas Oguz Sewon Min
gptkbp:availableOn	gptkb:GitHub
gptkbp:citation	gptkb:EMNLP_2020 2020 Dense Passage Retrieval for Open-Domain Question Answering
gptkbp:developedBy	gptkb:Facebook_AI_Research
gptkbp:encoderType	gptkb:BERT gptkb:RoBERTa
gptkbp:evaluationDataset	gptkb:Natural_Questions gptkb:TriviaQA WebQuestions
https://www.w3.org/2000/01/rdf-schema#label	Dense Passage Retriever (DPR)
gptkbp:input	gptkb:quest passages
gptkbp:introducedIn	2020
gptkbp:openSource	true
gptkbp:output	relevant passages
gptkbp:relatedTo	gptkb:BM25 gptkb:ColBERT gptkb:RAG retrieval-augmented generation
gptkbp:retrieves	top-k passages
gptkbp:trainer	gptkb:Wikipedia
gptkbp:url	https://github.com/facebookresearch/DPR
gptkbp:uses	dense vector representations bi-encoder architecture
gptkbp:bfsParent	gptkb:RAG:_Retrieval-Augmented_Generation_for_Knowledge-Intensive_NLP_Tasks
gptkbp:bfsLayer	8