陈科海 (Chen, Kehai)I have been a professor in the School of Computer Science and Technology at Harbin Institute of Technology, Shenzhen, China since Oct 2023. My research interests focus on Natural Language Processing, Large-scale Language Models, Reinforcement Learning, and Multilingual Translation. I have published more than 50 papers in top-tier NLP/ML/AI conferences and journals, such as ACL, EMNLP, ICLR, AAAI, TPAMI, TASLP, TFS, etc. E-mail: chenkehai AT hit.edu.cn; chenkehai AT gmail.com [中文主页]Looking for self-motivated Ph.D. students (2025), Master students (2025), and Undergraduate students who want to engage in machine translation and NLP research. Please send your CV to me by email if you want to join us. |
||
Experience |
Professor in School of Computer Science and Technology at Harbin Institute of Technolgy (Shenzhen), China, 2023.10~now. Assistant professor in School of Computer Science and Technology at Harbin Institute of Technolgy (Shenzhen), China, and join in Prof. Min Zhang's team, 2022.01~2023.09 Researcher in Advanced Translation Technology Laboratory (ATT-ASTREC), National Institute of Information and Communications Technology (NICT), Kyoto, Japan, 2018.11-2021.12 Ph.D in School of Computer Science of Technology, Harbin Institute of Technology (HIT), supervised by Prof. Tiejun Zhao, Harbin, China, 2013.09-2018.10 --Internship Research Fellow, NICT, co-supervised with Masao Utiyama, Rui Wang, Lemao Liu, Akihiro Tamura, and Eiichiro Sumita, 2017.01~2018.01 --He is a recipient of CIPSC (Chinese Information Processing Society of China) Best Ph.D. Thesis Awards in 2020. Master in Computer Science, University of Chinese Academy of Sciences (UCAS), Beijing, China, 2010.09-2013.07 Bachelor in Computer Science, Xi'an University of Technology (XAUT), Xi'an, China, 2006.09-2010.07
Selected Publications [Google Scholar][Semantic Scholar][DBLP] |
Question-guided Knowledge Graph Re-scoring and Injection for Knowledge Graph Question Answering [Paper and Bib] Yu Zhang, Kehai Chen*, Xuefeng Bai, Zhao Kang, Quanjiang Guo and Min Zhang The 2024 Conference on Empirical Methods in Natural Language Processing (EMNLP Findings), Miami, Florida, Nov 2024 Dynamic Planning for LLM-based Graphical User Interface Automation [Paper and Bib] Shaoqing Zhang, Zhuosheng Zhang, Kehai Chen*, Xinbei Ma, Muyun Yang, Tiejun Zhao and Min Zhang The 2024 Conference on Empirical Methods in Natural Language Processing (EMNLP Findings), Miami, Florida, Nov 2024 Adaptive Feature-based Low-Rank Compression of Large Language Models via Bayesian Optimization [Paper and Bib] Yixin Ji, Yang Xiang, Juntao Li, Qingrong Xia, Zi Ye, Xinyu Duan, Zhefeng Wang, Kehai Chen and Min Zhang The 2024 Conference on Empirical Methods in Natural Language Processing (EMNLP Findings), Miami, Florida, Nov 2024 EmoCRT: An Emotion-cause Relation Enhanced Model for Causal Emotion Entailment [Paper and Bib] ZhilongZhao, Bing Xu, Bufan Xu, Muyun Yang, Kehai Chen, Tiejun Zhao The 13th CCF International Conference on Natural Language Processing and Chinese Computing (NLPCC), Hangzhou, China, November 2024 Context Consistency between Training and Inference in Simultaneous Machine Translation [Paper and Bib] Meizhi Zhong, Lemao Liu*, Kehai Chen*, Mingming Yang, and Min Zhang The 61st Annual Meeting of the Association for Computational Linguistics (ACL), Bangkok, Thailand, August 2024 On the Hallucination in Simultaneous Machine Translation [Paper and Bib] Meizhi Zhong, Kehai Chen*, Zhengshan Xue, Lemao Liu, Mingming Yang, and Min Zhang The 61st Annual Meeting of the Association for Computational Linguistics (ACL), Bangkok, Thailand, August 2024 DUAL-REFLECT: Enhancing Large Language Models for Reflective Translation through Dual Learning Feedback Mechanisms [Paper and Bib] Andong Chen, Lianzhang Lou, Kehai Chen*, Xuefeng Bai, Yang Xiang, Muyun Yang, Tiejun Zhao, and Min Zhan The 61st Annual Meeting of the Association for Computational Linguistics (ACL), Bangkok, Thailand, August 2024 Speech Sense Disambiguation: Tackling Homophone Ambiguity in End-to-End Speech Translation [Paper and Bib] Tengfei Yu, Xuebo Liu, Liang Ding, Kehai Chen, Dacheng Tao, and Min Zhang The 61st Annual Meeting of the Association for Computational Linguistics (ACL), Bangkok, Thailand, August 2024 Paying More Attention to Source Context: Mitigating Unfaithful Translations from Large Language Model [Paper and Bib] Hongbin Zhang, Kehai Chen*, Xuefeng Bai, Yang Xiang, and Min Zhang Findings of The 61st Annual Meeting of the Association for Computational Linguistics (ACL Findings), Bangkok, Thailand, August 2024 Unsupervised Sign Language Translation and Generation [Paper and Bib] Zhengsheng Guo, Zhiwei He, Wenxiang Jiao, Xing Wang, Rui Wang, Kehai Chen*, Zhaopeng Tu, Yong Xu, and Min Zhang Findings of The 61st Annual Meeting of the Association for Computational Linguistics (ACL Findings), Bangkok, Thailand, August 2024 Efficient Domain Adaptation for Non-Autoregressive Machine Translation [Paper and Bib] WangJie You, Pei Guo, Juntao Li, Kehai Chen, and Min Zhang Findings of The 61st Annual Meeting of the Association for Computational Linguistics (ACL Findings), Bangkok, Thailand, August 2024 2024
INFORM: Information eNtropy based multi-step reasoning FOR large language Models [Paper and Bib] Chuyue Zhou, WangJie You, Juntao Li, Jing Ye, Kehai Chen, and Min Zhang The 2023 Conference on Empirical Methods in Natural Language Processing (EMNLP), Singapore, Dec 2023 PromptST: Abstract Prompt Learning for End-to-End Speech Translation [Paper and Bib] Tengfei Yu, Liang Ding, Xuebo Liu, Kehai Chen, Meishan Zhang, Dacheng Tao, and Min Zhang The 2023 Conference on Empirical Methods in Natural Language Processing (EMNLP), Singapore, Dec 2023 Improving Low-resource Question Answering by Augmenting Question Information [Paper and Bib] Andong Chen, Yuan Sun, Xiaobing Zhao, Rosella P. Galindo Esparza, Kehai Chen, Yang Xiang, Tiejun Zhao, and Min Zhang Findings of The 2023 Conference on Empirical Methods in Natural Language Processing (Findings of EMNLP), Singapore, Dec 2023 Multi-view fusion for universal translation quality estimation [Paper and Bib] Hui Huang, Shuangzhi Wu, Kehai Chen, Hui Di, Muyun Yang and Tiejun Zhao Information Fusion, Early Access, September 2023 Modeling Inter-Aspect Relations with Clause and Contrastive Learning for Aspect-Based Sentiment Analysis [Paper and Bib] Zhixun Qiu, Kehai Chen, Yun Xue, Zhihao Ma and Zhengxuan Zhang IEEE Transactions on Computational Social Systems (TCSS), Accepted, 2023 Improving Translation Quality Estimation with Bias Mitigation [Paper and Bib] Hui Huang, Shuangzhi Wu, Kehai Chen, Hui Di, Muyun Yang and Tiejun Zhao The 61th Annual Meeting of the Association for Computational Linguistics (ACL), Toronto, Canada, July, 2023 Universal Multimodal Representation for Language Understanding [Paper and Bib] Zhuosheng Zhang, Kehai Chen, Rui Wang, Masao Utiyama, Eiichiro Sumita, Zuchao Li, and Hai Zhao IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), Accepted, 2023 2023
Document-Level Relation Extraction with Path Reasoning [Paper and Bib] Wang Xu, Kehai Chen, and Tiejun Zhao Transactions on Asian and Low-Resource Language Information Processing (TALLIP), Accepted, November 2022 Effective Graph Context Representation for Document-level Machine Translation [Paper and Bib] Kehai Chen, Muyun Yang, Masao Utiyama, Eiichiro Sumita, Rui Wang, and Min Zhang The 31st International Joint Conference on Artificial Intelligence and the 25th European Conference on Artificial Intelligence (IJCAI-ECAI), July, 2022 Document-Level Relation Extraction with Sentences Importance Estimation and Focusing [Paper and Bib] Wang Xu, Kehai Chen, Lili Mou, and Tiejun Zhao The 2022 Conference of the North American Chapter of the Association for Computational Linguistics - Human Language Technologies (NAACL-HLT), July, 2022 Data-driven Fuzzy Target Representation for Intelligent Translation System [Paper and Bib] Kehai Chen, Muyun Yang, Tiejun Zhao, and Min Zhang IEEE Transactions on Fuzzy Systems (TFS), April 2022 (Early Access) Synchronous Refinement for Neural Machine Translation [Paper and Bib] Kehai Chen, Masao Utiyama, Eiichiro Sumita, Rui Wang, and Min Zhang The 60th Annual Meeting of the Association for Computational Linguistics (ACL-Findings), May, 2022 Integrating Prior Translation Knowledge into Neural Machine Translation [Paper and Bib] Kehai Chen, Rui Wang, Masao Utiyama, and Eiichiro Sumita IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), vol. 30, pp. 330-339, 2022 Advancing Chinese Event Detection via Revisiting Character Information [Paper and Bib] Yanxia Qin, Zhongqin Wang, Yue Zhang, Kehai Chen, and Min Zhang ACM Transactions on Asian and Low-Resource Language Information Processing (TALLIP), vol. 21, No. 78, pp. 1–9, July 2022 2022
Discriminative Reasoning for Document-level Relation Extraction [Paper and Bib] Wang Xu, Kehai Chen, and Tiejun Zhao Findings of The 59th Annual Meeting of the Association for Computational Linguistics (ACL-Findings), August, 2021 Context-Aware Positional Representation for Self-Attention Networks [Paper and Bib] Kehai Chen, Rui Wang, Masao Utiyama, and Eiichiro Sumita Neurocomputing, Volume 451, Pages 46-563, September 2021 Document-Level Relation Extraction with Reconstruction [Paper and Bib] Wang Xu, Kehai Chen, and Tiejun Zhao Thirty-Fourth AAAI Conference on Artificial Intelligence (AAAI), February, 2021 A Pattern Driven Graph Ranking Approach to Attribute Extraction for Knowledge Graph [Paper and Bib] Muyun Yang, Kehai Chen, Shuqi Sun, Zhongyuan Han, Leilei Kong, and Qingye Meng IEEE Transactions on Industrial Informatics, vol. 18, no. 2, pp. 1250-1259, Feb. 2021 Modeling Future Cost for Neural Machine Translation [Paper and Bib] Chaoqun Duan, Kehai Chen, Rui Wang, Masao Utiyama, Eiichiro Sumita, Conghui Zhu, and Tiejun Zhao IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), vol. 29, pp. 770-781, 2021 Syntax in End-to-End Natural Language Processing [Paper and Bib] Hai Zhao, Rui Wang, and Kehai Chen The 2021 Conference on Empirical Methods in Natural Language Processing (EMNLP-Tutorial), November, 2021 Self-Training for Unsupervised Neural Machine Translation in Unbalanced Training Data Scenarios [Paper and Bib] Haipeng Sun, Rui Wang, Kehai Chen, Masao Utiyama, Eiichiro Sumita and Tiejun Zhao The 2021 Conference of the North American Chapter of the Association for Computational Linguistics - Human Language Technologies (NAACL-HLT), June 2021 Text Compression-aided Transformer Encoding [Paper and Bib] Zuchao Li, Zhuosheng Zhang, Hai Zhao, Rui Wang, Kehai Chen, Masao Utiyama, and Eiichiro Sumita IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), Accepted, 2021 Unsupervised Neural Machine Translation for Similar and Distant Language Pairs: An Empirical Study [Paper and Bib] Haipeng Sun, Rui Wang, Masao Utiyama, Benjamin Marie, Kehai Chen, Eiichiro Sumita, and Tiejun Zhao ACM Transactions on Asian and Low-Resource Language Information Processing (TALLIP), vol.20, April 2021 2021
Robust Unsupervised Neural Machine Translation with Adversarial Denoising Training [Paper and Bib] Haipeng Sun, Rui Wang, Kehai Chen, Xugang Lu, Masao Utiyama, Eiichiro Sumita, and Tiejun Zhao The 28th International Conference on Computational Linguistics (COLING), Barcelona, Spain, December, 2020 Robust Machine Reading Comprehension by Learning Soft labels [Paper and Bib] Zhenyu Zhao, Shuangzhi Wu, Muyun Yang, Kehai Chen, Tiejun Zhao The 28th International Conference on Computational Linguistics (COLING), Barcelona, Spain, December, 2020 Towards More Diverse Input Representation for Neural Machine Translation [Paper and Bib] Kehai Chen, Rui Wang, Masao Utiyama, Eiichiro Sumita, Tiejun Zhao, Muyun Yang, and Hai Zhao IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), vol. 28, pp. 1586-1597, December 2020 Content Word Aware Neural Machine Translation [Paper and Bib][Slides] Kehai Chen, Rui Wang, Masao Utiyama, and Eiichiro Sumita The 58th Annual Meeting of the Association for Computational Linguistics (ACL), Seattle, USA, July 2020 Knowledge Distillation for Multilingual Unsupervised Neural Machine Translation [Paper and Bib] Haipeng Sun, Rui Wang, Kehai Chen, Masao Utiyama, Eiichiro Sumita, and Tiejun Zhao The 58th Annual Meeting of the Association for Computational Linguistics (ACL), Seattle, USA, July 2020 End-to-end Speech Translation with Adversarial Training[Paper and Bib] Xuancai Li, Kehai Chen, Tiejun Zhao, and Muyun Yang The First Workshop on Automatic Simultaneous Translation, Seattle, USA, July 2020 Data-dependent Gaussian Prior Objective for Language Generation [Paper and Bib] Zuchao Li, Rui Wang, Kehai Chen, Masao Utiyama, Eiichiro Sumita, Zhuosheng Zhang, and Hai Zhao Eighth International Conference on Learning Representations (ICLR), Addis Ababa, Ethiopia, April 2020 Neural Machine Translation with Universal Visual Representation [Paper and Bib] Zhuosheng Zhang, Kehai Chen, Rui Wang, Masao Utiyama, Eiichiro Sumita, Zuchao Li, and Hai Zhao Eighth International Conference on Learning Representations (ICLR), Addis Ababa, Ethiopia, April 2020 Explicit Sentence Compression for Neural Machine Translation [Paper and Bib] Zuchao Li, Rui Wang, Kehai Chen, Masao Utiyama, Eiichiro Sumita, Zhuosheng Zhang, and Hai Zhao Thirty-Fourth AAAI Conference on Artificial Intelligence (AAAI), New York, USA, February 2020 A Novel Sentence-Level Agreement Architecture for Neural Machine Translation [Paper and Bib] Mingming Yang, Rui Wang, Kehai Chen, Xing Wang, Tiejun Zhao, and Min Zhang IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), vol. 28, pp. 2585-2597, 2020 Unsupervised Neural Machine Translation with Cross-lingual Language Representation Agreement [Paper and Bib] Haipeng Sun, Rui Wang, Kehai Chen, Masao Utiyama, Eiichiro Sumita, and Tiejun Zhao IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), vol. 28, pp. 1170-1182, December 2020 A Hierarchical Clustering Approach to Fuzzy Semantic Representation of Rare Words in Neural Machine Translation [Paper and Bib] Muyun Yang, Shujie Liu, Kehai Chen, Hongyang Zhang, Enbo Zhao, and Tiejun Zhao IEEE Transactions on Fuzzy Systems (TFS), vol. 28, no. 5, pp. 992-1002, May 2020 Neural Machine Translation with Target-Attention Model [Paper and Bib] Mingming Yang, Min Zhang, Kehai Chen, Rui Wang, and Tiejun Zhao IEICE Transactions on Information and Systems, Vol.E103-D, No.03, pp.684-694, 2020 2020
NICT’s Machine Translation Systems for CCMT-2019 Translation Task [Paper and Bib][Poster] Kehai Chen, Rui Wang, Masao Utiyama, Eiichiro Sumita China Conference on Machine Translation (CCMT), Nanchang, China, Semtember 2019 Recurrent Positional Embedding for Neural Machine Translation [Paper and Bib][Poster] Kehai Chen, Rui Wang, Masao Utiyama, and Eiichiro Sumita The 2019 Conference on Empirical Methods in Natural Language Processing and The 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP), Hong Kong, China, November 2019 NICT's Unsupervised Neural and Statistical Machine Translation Systems for the WMT19 News Translation Task [Paper and Bib] Benjamin Marie, Haipeng Sun, Rui Wang, Kehai Chen, Atsushi Fujita, Masao Utiyama and Eiichiro Sumita The 4th Conference on Machine Translation (WMT), Florence, Italy, July 2019 Note: 1st in the only unsupervised MT task (German-Czech) by BLEU and human evaluation Neural Machine Translation with Reordering Embeddings [Paper and Bib][Slides] Kehai Chen, Rui Wang, Masao Utiyama, and Eiichiro Sumita The 57th Annual Meeting of the Association for Computational Linguistics (ACL), Florence, Italy, July 2019 Unsupervised Bilingual Word Embedding Agreement for Unsupervised Neural Machine Translation [Paper and Bib] Haipeng Sun, Rui Wang, Kehai Chen, Masao Utiyama, Eiichiro Sumita, and Tiejun Zhao The 57th Annual Meeting of the Association for Computational Linguistics (ACL), Florence, Italy, July 2019 Sentence-Level Agreement for Neural Machine Translation [Paper and Bib] Mingming Yang, Rui Wang, Kehai Chen, Masao Utiyama, Eiichiro Sumita, Min Zhang, and Tiejun Zhao The 57th Annual Meeting of the Association for Computational Linguistics (ACL), Florence, Italy, July 2019 Lattice-Based Transformer Encoder for Neural Machine Translation [Paper and Bib] Fengshun Xiao, Jiangtong Li, Hai Zhao, Rui Wang, and Kehai Chen The 57th Annual Meeting of the Association for Computational Linguistics (ACL), Florence, Italy, July 2019 Neural Machine Translation with Sentence-level Topic Context [Paper and Bib] Kehai Chen, Rui Wang, Masao Utiyama, Eiichiro Sumita, and Tiejun Zhao IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), vol. 27, no. 12, pp. 1970-1984, December 2019 A Bilingual Adversarial Autoencoder for Unsupervised Bilingual Lexicon Induction [Paper and Bib] Xuefeng Bai, Hailong Cao, Kehai Chen, and Tiejun Zhao IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), vol. 27, no. 10, pp. 1639-1648, October 2019 Automatic Diagnosis of Cardiac Arrhythmia in Electrocardiograms via Multigranulation Computing [Paper and Bib] Fenghuan Li, Kehai Chen*, Jie Ling, Yinwei Zhan, and Gunasekaran Manogaran Applied Soft Computing (ASC), Volume 80, Pages 400-413, July 2019 2019
Syntax-Directed Attention for Neural Machine Translation [Paper and Bib][Poster] Kehai Chen, Rui Wang, Masao Utiyama, Eiichiro Sumita, and Tiejun Zhao The Thirty-Second AAAI Conference on Artificial Intelligence (AAAI), New Orleans, Lousiana, USA, February 2018 Sentence Selection and Weighting for Neural Machine Translation Domain Adaptation [Paper and Bib] Rui Wang, Masao Utiyama, Andrew Finch, Lemao Liu, Kehai Chen, and Eiichro Sumita IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), vol. 26, no. 10, pp. 1727-1741, October 2018 Syntax-Based Context Representation for Statistical Machine Translation [Paper and Bib] Kehai Chen, Tiejun Zhao, and Muyun Yang IEICE Transactions on Information and Systems, vol. E101.D, no. 12, pp. 3226-3237, December 2018 A Neural Approach to Source Dependency-Based Context Model for Statistical Machine Translation [Paper and Bib] Kehai Chen, Tiejun Zhao, Muyun Yang, Lemao Liu, Akihiro Tamura, Rui Wang, Masao Utiyama, and Eiichro Sumita IEEE/ACM Transactions on Audio, Speech, and Language Processing (TASLP), vol. 26, no. 2, pp. 266-280, February 2018 2018
Context-Aware Smoothing for Neural Machine Translation [Paper and Bib][Slides] Kehai Chen, Rui Wang, Masao Utiyama, Eiichiro Sumita, and Tiejun Zhao The 8th International Joint Conference on Natural Language Processing (IJCNLP), Chinese Taipei, November 2017 Neural Machine Translation with Source Dependency Representation [Paper and Bib][Slides] Kehai Chen, Rui Wang, Masao Utiyama, Lemao Liu, Akihiro Tamura, Eiichiro Sumita, and Tiejun Zhao The 2017 Conference on Empirical Methods in Natural Language Processing (EMNLP), Copenhagen, Denmark, September 2017 Instance Weighting for Neural Machine Translation Domain Adaptation [Paper and Bib][Poster] Rui Wang, Masao Utiyama, Lemao Liu, Kehai Chen, and Eiichro Sumita The 2017 Conference on Empirical Methods in Natural Language Processing (EMNLP), Copenhagen, Denmark, September 2017 Translation Prediction with Source Dependency-Based Context Representation [Paper and Bib][Poster] Kehai Chen, Tiejun Zhao, Muyun Yang, and Lemao Liu The Thirty-First AAAI Conference on Artificial Intelligence (AAAI), San Francisco, California, USA, February 2017 2017
Academic Services |
-->    2024: ICLR, AAAI, EACL (Area Chair), NAACL (Area Chair), IJCAI (SPC), ICML, ACL (Area Chair), CCL (Area Chair), COLM, CCMT (Tutorial Co-Chair)     2023: ICLR, AAAI, ACL, IJCAI, IJCNLP-AACL (Workshop Co-Chair), CCMT (Forum Co-Chair), CCL (Area Chair), NeurIPS, EMNLP     2022: ICLR, AAAI (Senior Program Committee), IJCAI-ECAI, ACL (Area Chair), CCMT (Publicity Co-Chair), NeurIPS, EMNLP, COLING, NLPCC, AACL-IJCNLP (Area Chair) Program Committee Member
    2021: ACL-IJCNLP, NeurIPS, AAAI (Senior Program Committee), EMNLP, NAACL-HLT, CoNLL, ICASSP, NLPCC, EACL, CCL, CCMT
    2020: ACL, NeurIPS, AAAI, EMNLP, COLING, NLPCC, AACL-IJCNLP, CCL, CCMT     2019: AAAI, EMNLP, NAACL-HLT, CCL     2018: EMNLP     2017: ACL    ARR Action Editor     IEEE Trans. PAMI; IEEE Trans. on NNLS; IEEE Trans. on KDE, IEEE/ACM Trans on ASLP; IEEE Trans. on II; IEEE Trans. on CSS, ACM Trans on ALLIP     ACM Computing Surveys; Artificial Intelligence Review     Information Sciences; Natural Language Engineering; Neurocomputing; Neural Computing & Applications     计算机学报; 自动化学报 Journal Reviewer