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cs.CL2021
Answering Open-Domain Multi-Answer Questions via a Recall-then-Verify Framework
Zhihong Shao, Minlie Huang
Open-domain questions are likely to be open-ended and ambiguous, leading to multiple valid answers. Existing approaches typically adopt the rerank-then-read framework, where a read…
cs.CL2021
A Mutual Information Maximization Approach for the Spurious Solution Problem in Weakly Supervised Question Answering
Zhihong Shao, Lifeng Shang, Qun Liu +1
Weakly supervised question answering usually has only the final answers as supervision signals while the correct solutions to derive the answers are not provided. This setting give…