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Gradient Imitation Reinforcement Learning for General Low-Resource Information Extraction


Nov 14, 2022
Xuming Hu, Shiao Meng, Chenwei Zhang, Xiangli Yang, Lijie Wen, Irwin King, Philip S. Yu

* This work has been submitted to the IEEE for possible publication. This work is a substantially extended version of arXiv:2109.06415, with the summary of difference provided in the appendix 

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Query-based Instance Discrimination Network for Relational Triple Extraction


Nov 03, 2022
Zeqi Tan, Yongliang Shen, Xuming Hu, Wenqi Zhang, Xiaoxia Cheng, Weiming Lu, Yueting Zhuang

* Accepted to EMNLP 2022, submission version 

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Character-level White-Box Adversarial Attacks against Transformers via Attachable Subwords Substitution


Oct 31, 2022
Aiwei Liu, Honghai Yu, Xuming Hu, Shu'ang Li, Li Lin, Fukun Ma, Yawen Yang, Lijie Wen

* EMNLP 2022 
* 13 pages, 3 figures. EMNLP 2022 

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EnTDA: Entity-to-Text based Data Augmentation Approach for Named Entity Recognition Tasks


Oct 19, 2022
Xuming Hu, Yong Jiang, Aiwei Liu, Zhongqiang Huang, Pengjun Xie, Fei Huang, Lijie Wen, Philip S. Yu

* 13 pages, 4 figures, 9 tables 

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Scene Graph Modification as Incremental Structure Expanding


Sep 15, 2022
Xuming Hu, Zhijiang Guo, Yu Fu, Lijie Wen, Philip S. Yu

* In COLING 2022 as a long paper. Code and data available at https://github.com/THU-BPM/SGM 

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Domain-Specific NER via Retrieving Correlated Samples


Aug 27, 2022
Xin Zhang, Yong Jiang, Xiaobin Wang, Xuming Hu, Yueheng Sun, Pengjun Xie, Meishan Zhang

* Accepted by COLING 2022 

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Semantic Enhanced Text-to-SQL Parsing via Iteratively Learning Schema Linking Graph


Aug 08, 2022
Aiwei Liu, Xuming Hu, Li Lin, Lijie Wen

* 8 pages, 3 figures, SIGKDD2022 

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A Multi-level Supervised Contrastive Learning Framework for Low-Resource Natural Language Inference


May 31, 2022
Shu'ang Li, Xuming Hu, Li Lin, Aiwei Liu, Lijie Wen, Philip S. Yu


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HiURE: Hierarchical Exemplar Contrastive Learning for Unsupervised Relation Extraction


May 05, 2022
Shuliang Liu, Xuming Hu, Chenwei Zhang, Shu`ang Li, Lijie Wen, Philip S. Yu

* Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics 
* In NAACL 2022 as a long paper. Code and data available at https://github.com/THU-BPM/HiURE 

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Graph Neural Network with Curriculum Learning for Imbalanced Node Classification


Feb 05, 2022
Xiaohe Li, Lijie Wen, Yawen Deng, Fuli Feng, Xuming Hu, Lei Wang, Zide Fan


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