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Natural language processing and computational linguistics research group at the Tokyo Metropolitan University. We aim at creating a research hub for natural language processing in Tokyo.

Keywords

natural language processing (machine translation, error correction/detection, information extraction, semantic analysis), web mining, machine learning (deep learning, representation learning)

News

  • 2020/07/10 We have presented our work at The 58th Annual Meeting of Association for Computational Linguistics (ACL 2020) and related workshops.
    • Hwichan Kim, Tosho Hirasawa and Mamoru Komachi. Zero-shot North Korean to English Neural Machine Translation by Character Tokenization and Phoneme Decomposition. In Proceedings of the 58th Annual Meeting of the Association for Computational Linguisticw: Student Research Workshop (ACL 2020 SRW), pp.72-78. July, 2020. (paper)
    • Yujin Takahashi, Satoru Katsumata and Mamoru Komachi. Grammatical Error Correction Using Pseudo Learner Corpus Considering Learner's Error Tendency. In Proceedings of the 58th Annual Meeting of the Association for Computational Linguisticw: Student Research Workshop (ACL 2020 SRW), pp.27-32. July, 2020. (paper)
    • Masahiro Kaneko, Masato Mita, Shun Kiyono, Jun Suzuki and Kentaro Inui. Can Encoder-decoder Models Benefit from Pre-trained LanguageRepresentation in Grammatical Error Correction? In Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics (ACL 2020), pp.4258-4254. July, 2020. (paper)
    • Masahiro Kaneko, Aizhan Imankulova, Tosho Hirasawa and Mamoru Komachi. English-to-Japanese Diverse Translation Using Opposite Direction Models. In Proceedings of The 4th Workshop on Neural Generation and Translation (WNGT 2020), pp.134-138. July, 2020. (paper)
    • Tosho Hirasawa, Zhishen Yang, Mamoru Komachi and Naoaki Okazaki. Keyframe Segmentation and Positional Encoding for Video-guided Machine Translation Challenge 2020. In Workshop on Advances in Language and Vision Research. July, 2020. (paper) Ranked 1st!
  • 2020/02/12 Our papers were accepted at 12th International Conference on Language Resources and Evaluation (LREC 2020). See you in Marseille!
    • Reo Hirao, Mio Arai, Hiroki Shimanaka, Satoru Katsumata and Mamoru Komachi. Automated Essay Scoring System for Nonnative Japanese Learners. In 12th International Conference on Language Resources and Evaluation (LREC 2020).
    • Aomi Koyama, Tomoshige Kiyuna, Kenji Kobayashi, Mio Arai and Mamoru Komachi. Construction of an Evaluation Corpus for Grammatical Error Correction for Learners of Japanese as a Second Language. In 12th International Conference on Language Resources and Evaluation (LREC 2020).
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