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Mutually improved dense retriever and GNN-based reader for arbitrary-hop open-domain question answering.
Ronghan Li
Lifang Wang
Zejun Jiang
Zhongtian Hu
Meng Zhao
Xinyu Lu
Published in:
Neural Comput. Appl. (2022)
Keyphrases
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open domain question answering
question answering
information retrieval
feature selection
probabilistic model
structured data