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Dense Passage Retrieval for Open-Domain Question Answering.
Vladimir Karpukhin
Barlas Oguz
Sewon Min
Patrick S. H. Lewis
Ledell Wu
Sergey Edunov
Danqi Chen
Wen-tau Yih
Published in:
EMNLP (1) (2020)
Keyphrases
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open domain question answering
question answering
passage retrieval
information retrieval
information extraction
natural language
natural language processing
answer extraction
syntactic information
document retrieval
machine learning
low level
query expansion
semantic roles
question answering systems