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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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Enhanced Aspect-Based Sentiment Analysis Models with Progressive Self-supervised Attention Learning


Mar 05, 2021
Jinsong Su, Jialong Tang, Hui Jiang, Ziyao Lu, Yubin Ge, Linfeng Song, Deyi Xiong, Le Sun, Jiebo Luo

* Artificial Intelligence 2021 
* 31 pages. arXiv admin note: text overlap with arXiv:1906.01213 

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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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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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Progressive Self-Supervised Attention Learning for Aspect-Level Sentiment Analysis


Jun 06, 2019
Jialong Tang, Ziyao Lu, Jinsong Su, Yubin Ge, Linfeng Song, Le Sun, Jiebo Luo

* ACL 2019 
* 10 pages 

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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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NPRF: A Neural Pseudo Relevance Feedback Framework for Ad-hoc Information Retrieval


Oct 30, 2018
Canjia Li, Yingfei Sun, Ben He, Le Wang, Kai Hui, Andrew Yates, Le Sun, Jungang Xu

* Full paper in EMNLP 2018 

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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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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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Supervised Anomaly Detection in Uncertain Pseudoperiodic Data Streams


Jul 20, 2016
Jiangang Ma, Le Sun, Hua Wang, Yanchun Zhang, Uwe Aickelin

* ACM Transactions on Internet Technology (TOIT), 16 (1 (4)), 2016 

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