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Progressive Adversarial Learning for Bootstrapping: A Case Study on Entity Set Expansion



Lingyong Yan , Xianpei Han , Le Sun

* Accepted to the main conference of EMNLP2021 

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Element Intervention for Open Relation Extraction



Fangchao Liu , Lingyong Yan , Hongyu Lin , Xianpei Han , Le Sun

* Accepted to ACL2021(main conference) 

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Knowledgeable or Educated Guess? Revisiting Language Models as Knowledge Bases



Boxi Cao , Hongyu Lin , Xianpei Han , Le Sun , Lingyong Yan , Meng Liao , Tong Xue , Jin Xu

* Accepted to ACL2021(main conference) 

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From Bag of Sentences to Document: Distantly Supervised Relation Extraction via Machine Reading Comprehension



Lingyong Yan , Xianpei Han , Le Sun , Fangchao Liu , Ning Bian

* 12 pages, 3 figures 

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