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


Sep 24, 2021
Lingyong Yan, Xianpei Han, Le Sun

* Accepted to the main conference of EMNLP2021 

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Honey or Poison? Solving the Trigger Curse in Few-shot Event Detection via Causal Intervention


Sep 13, 2021
Jiawei Chen, Hongyu Lin, Xianpei Han, Le Sun

* Accepted to the main conference of EMNLP2021 

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Fine-grained Entity Typing via Label Reasoning


Sep 13, 2021
Qing Liu, Hongyu Lin, Xinyan Xiao, Xianpei Han, Le Sun, Hua Wu

* Accepted to the main conference of EMNLP2021 

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Bridging the Gap between Language Model and Reading Comprehension: Unsupervised MRC via Self-Supervision


Jul 19, 2021
Ning Bian, Xianpei Han, Bo Chen, Hongyu Lin, Ben He, Le Sun


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Element Intervention for Open Relation Extraction


Jun 17, 2021
Fangchao Liu, Lingyong Yan, Hongyu Lin, Xianpei Han, Le Sun

* Accepted to ACL2021(main conference) 

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Denoising Distantly Supervised Named Entity Recognition via a Hypergeometric Probabilistic Model


Jun 17, 2021
Wenkai Zhang, Hongyu Lin, Xianpei Han, Le Sun, Huidan Liu, Zhicheng Wei, Nicholas Jing Yuan

* Accepted to AAAI2021 

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De-biasing Distantly Supervised Named Entity Recognition via Causal Intervention


Jun 17, 2021
Wenkai Zhang, Hongyu Lin, Xianpei Han, Le Sun

* Accepted to ACL2021(main conference) 

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Text2Event: Controllable Sequence-to-Structure Generation for End-to-end Event Extraction


Jun 17, 2021
Yaojie Lu, Hongyu Lin, Jin Xu, Xianpei Han, Jialong Tang, Annan Li, Le Sun, Meng Liao, Shaoyi Chen

* Accepted to ACL2021 (main conference) 

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Knowledgeable or Educated Guess? Revisiting Language Models as Knowledge Bases


Jun 17, 2021
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 Discourse to Narrative: Knowledge Projection for Event Relation Extraction


Jun 16, 2021
Jialong Tang, Hongyu Lin, Meng Liao, Yaojie Lu, Xianpei Han, Le Sun, Weijian Xie, Jin Xu

* ACL 2021 
* 11 pages 

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From Paraphrasing to Semantic Parsing: Unsupervised Semantic Parsing via Synchronous Semantic Decoding


Jun 11, 2021
Shan Wu, Bo Chen, Chunlei Xin, Xianpei Han, Le Sun, Weipeng Zhang, Jiansong Chen, Fan Yang, Xunliang Cai

* Accepted by ACL 2021 

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Co-BERT: A Context-Aware BERT Retrieval Model Incorporating Local and Query-specific Context


Apr 17, 2021
Xiaoyang Chen, Kai Hui, Ben He, Xianpei Han, Le Sun, Zheng Ye


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Syntactic and Semantic-driven Learning for Open Information Extraction


Mar 05, 2021
Jialong Tang, Yaojie Lu, Hongyu Lin, Xianpei Han, Le Sun, Xinyan Xiao, Hua Wu

* Findings of ACL: EMNLP 2020 
* 11 pages 

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Benchmarking Knowledge-Enhanced Commonsense Question Answering via Knowledge-to-Text Transformation


Jan 05, 2021
Ning Bian, Xianpei Han, Bo Chen, Le Sun

* Accepted to AAAI2021 

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


Dec 09, 2020
Lingyong Yan, Xianpei Han, Le Sun, Fangchao Liu, Ning Bian

* 12 pages, 3 figures 

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ISCAS at SemEval-2020 Task 5: Pre-trained Transformers for Counterfactual Statement Modeling


Sep 17, 2020
Yaojie Lu, Annan Li, Hongyu Lin, Xianpei Han, Le Sun


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End-to-End Neural Event Coreference Resolution


Sep 17, 2020
Yaojie Lu, Hongyu Lin, Jialong Tang, Xianpei Han, Le Sun


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BERT-QE: Contextualized Query Expansion for Document Re-ranking


Sep 15, 2020
Zhi Zheng, Kai Hui, Ben He, Xianpei Han, Le Sun, Andrew Yates

* Accepted as Findings paper in EMNLP 2020 

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A Rigourous Study on Named Entity Recognition: Can Fine-tuning Pretrained Model Lead to the Promised Land?


Apr 25, 2020
Hongyu Lin, Yaojie Lu, Xianpei Han, Le Sun


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Overview of the CCKS 2019 Knowledge Graph Evaluation Track: Entity, Relation, Event and QA


Mar 09, 2020
Xianpei Han, Zhichun Wang, Jiangtao Zhang, Qinghua Wen, Wenqi Li, Buzhou Tang, Qi Wang, Zhifan Feng, Yang Zhang, Yajuan Lu, Haitao Wang, Wenliang Chen, Hao Shao, Yubo Chen, Kang Liu, Jun Zhao, Taifeng Wang, Kezun Zhang, Meng Wang, Yinlin Jiang, Guilin Qi, Lei Zou, Sen Hu, Minhao Zhang, Yinnian Lin

* 21 pages, in Chinese, 9 figures and 17 tables, CCKS 2019 held an evaluation track about knowledge graph with 6 tasks and attracted more than 1,600 teams 

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CAIL2019-SCM: A Dataset of Similar Case Matching in Legal Domain


Nov 25, 2019
Chaojun Xiao, Haoxi Zhong, Zhipeng Guo, Cunchao Tu, Zhiyuan Liu, Maosong Sun, Tianyang Zhang, Xianpei Han, Zhen Hu, Heng Wang, Jianfeng Xu

* 5 pages 

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Cost-sensitive Regularization for Label Confusion-aware Event Detection


Jun 14, 2019
Hongyu Lin, Yaojie Lu, Xianpei Han, Le Sun

* Accepted to ACL2019 

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Sequence-to-Nuggets: Nested Entity Mention Detection via Anchor-Region Networks


Jun 10, 2019
Hongyu Lin, Yaojie Lu, Xianpei Han, Le Sun

* Accepted by ACL2019 

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Sentence Rewriting for Semantic Parsing


Jan 10, 2019
Bo Chen, Le Sun, Xianpei Han, Bo An

* Accepted as ACL 2016 long paper 

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Overview of CAIL2018: Legal Judgment Prediction Competition


Oct 13, 2018
Haoxi Zhong, Chaojun Xiao, Zhipeng Guo, Cunchao Tu, Zhiyuan Liu, Maosong Sun, Yansong Feng, Xianpei Han, Zhen Hu, Heng Wang, Jianfeng Xu

* 6 pages, 1 table 

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Sequence-to-Action: End-to-End Semantic Graph Generation for Semantic Parsing


Sep 04, 2018
Bo Chen, Le Sun, Xianpei Han

* Accepted as ACL 2018 long paper 

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CAIL2018: A Large-Scale Legal Dataset for Judgment Prediction


Jul 04, 2018
Chaojun Xiao, Haoxi Zhong, Zhipeng Guo, Cunchao Tu, Zhiyuan Liu, Maosong Sun, Yansong Feng, Xianpei Han, Zhen Hu, Heng Wang, Jianfeng Xu

* 4 pages, 2 tables 

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Adaptive Scaling for Sparse Detection in Information Extraction


May 28, 2018
Hongyu Lin, Yaojie Lu, Xianpei Han, Le Sun

* Accepted to ACL2018 

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Nugget Proposal Networks for Chinese Event Detection


May 01, 2018
Hongyu Lin, Yaojie Lu, Xianpei Han, Le Sun

* Accepted to ACL2018 

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Variational Recurrent Neural Machine Translation


Jan 16, 2018
Jinsong Su, Shan Wu, Deyi Xiong, Yaojie Lu, Xianpei Han, Biao Zhang

* accepted by AAAI 18 

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