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Low-Resource Dense Retrieval for Open-Domain Question Answering: A Comprehensive Survey.
Xiaoyu Shen
Svitlana Vakulenko
Marco Del Tredici
Gianni Barlacchi
Bill Byrne
Adrià de Gispert
Published in:
CoRR (2022)
Keyphrases
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open domain question answering
question answering
information retrieval
image retrieval
document retrieval
information retrieval systems
answer extraction
low level
relevance feedback
query expansion
test collection
retrieval model