Papers by Xuguang Wang
No Answer is Better Than Wrong Answer: A Reflection Model for Document Level Machine Reading Comprehension (2020.findings-emnlp)
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| Challenge: | Natural Questions (NQ) benchmark sets new challenges for machine reading comprehension. |
| Approach: | They propose a novel approach to handle all answer types systematically using a two-step training procedure. |
| Outcome: | The proposed approach achieved the top 1 on both long and short answer leaderboards with F1 scores of 77.2 and 64.1. |