a photo      

陈 科海 (Chen, Kehai)

Currently, I am a postdoctoral researcher of Advanced Translation Technology Laboratory (ATT-ASTREC), National Institute of Information and Communications Technology (NICT), Kyoto, Japan.

My research interesting focuses on Machine Translation, and Natural Language Processing

E-mail: khchen (as we know) nict.go.jp; chenkehai (as we know) gmail.com

 



    

Experience

Postdoctoral Researcher in Advanced Translation Technology Laboratory, National Institute of Information and Communications Technology, Kyoto, Japan, 2018.11-Now.

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.

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]

Conferences

  • 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-2020), 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-2020), Barcelona, Spain, 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

  • 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

  • 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-2019), 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-2019), 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

  • 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

  • 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

  • Improving Dependency Parsing on Clinical Text with Syntactic Clusters from Web Text [Paper and Bib]

  •      Xiuming Qiao, Hailong Cao, Tiejun Zhao, and Kehai Chen

         The International Conference on Neural Information Processing (ICONIP), Kyoto, Japan, September 2016


    Journals

  • 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), Accepted, 2020

  • 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), Accepted, 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

  • 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

  • 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, Volume 80, Pages 400-413, July 2019

  • 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

  • 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

  • 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



        

    Academic Services

    Program Committee Member

    2021: AAAI (Senior Program Committee), EACL, NAACL-HLT

    2020: ACL, NeurIPS, AAAI, EMNLP, COLING, NLPCC, AACL-IJCNLP, CCL, CCMT

    2019: AAAI, EMNLP, NAACL-HLT, CCL

    2018: EMNLP

    2017: ACL

    Journal Reviewer

    IEEE/ACM Transactions on Audio, Speech, and Language Processing

    ACM Computing Surveys

    Artificial Intelligence Review

    ACM Transactions on Asian and Low-Resource Language Information Processing

    Natural Language Engineering

    Neural Computing and Applications