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Learning to Attend On Essential Terms: An Enhanced Retriever-Reader Model for Open-domain Question Answering.
Jianmo Ni
Chenguang Zhu
Weizhu Chen
Julian J. McAuley
Published in:
NAACL-HLT (1) (2019)
Keyphrases
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learning algorithm
probabilistic model
supervised learning
feature selection
co occurrence
high level
natural language
web search