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Concession-First Learning and Coarse-to-Fine Retrieval for Open-Domain Conversational Question Answering.
Xibo Li
Bowei Zou
Mengxing Dong
Jianmin Yao
Yu Hong
Published in:
ICTAI (2022)
Keyphrases
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question answering
open domain
coarse to fine
information retrieval
question answering systems
passage retrieval
information extraction
natural language
cross language
named entities
learning algorithm
natural language processing
multiresolution
multi modal
web search
image retrieval
multiscale
search engine