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HopRetriever: Retrieve Hops over Wikipedia to Answer Complex Questions.
Shaobo Li
Xiaoguang Li
Lifeng Shang
Xin Jiang
Qun Liu
Chengjie Sun
Zhenzhou Ji
Bingquan Liu
Published in:
CoRR (2020)
Keyphrases
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correct answers
answer questions
question answer
knowledge base
high level
complex systems
named entities
database
keywords
candidate answers