Masahiro Mizukami, Ph.D.

Research Scientist.
Interaction Research Group
Innovative Communication Lab
NTT Communication Science Laboratories


Contact Information:
masahiro.mizukami (at) ntt.com
2-4 Hikaridai, Seika, Souraku,
Kyoto 619-0237, JAPAN



Research Interests

  • Dialogue System (Chat-oriented, Task-oriented)
  • Individuality Modeling

News

2023.6 Reciving a JSAI Incentive Award.
2020.2 "Creating a dialogue system with Python (in Japanese)" has been published by Ohmsha, Ltd.

Publication

  • Journal
  • Paper

Journal

  1. Ryo Ishii, Ryuichiro Higashinaka, Koh Mitsuda, Taichi Katayama, Masahiro Mizukami, Junji Tomita, Hidetoshi Kawabata, Emi Yamaguchi, Noritake Adachi, Yushi Aono (2020). Methods for efficiently constructing text-dialogue-agent system using existing anime characters. Journal of Information Processing, Vol.29, pp. 30-44.
  2. Seiya Kawano, Masahiro Mizukami, Koichiro Yoshino, Satoshi Nakamura (2020). Entrainable neural conversation model based on reinforcement learning. IEEE Access.
  3. Yoko Ishikawa, Masahiro Mizukami, Koichiro Yoshino, Sakriani Sakti, Yu Suzuki, Satoshi Nakamura (2018). Persuasive Dialog System Using Emotional Expressions. Transactions of the Japanese Society for Artificial Intelligence, 33-1, pp. 1-9.
  4. Masahiro Mizukami, Lasguido Nio, Hideaki Kizuki, Toshio Nomura, Graham Neubig, Koichiro Yoshino, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura (2016). Example Based Dialogue System Baased on Satisfaction Prediction. Transactions of the Japanese Society for Artificial Intelligence, 31-1, pp. 1-12.
  5. Ryuichiro Higashinaka, Kotaro Funakoshi, Masahiro Araki, Hiroshi Tsukahara, Yuka Kobayashi, Masahiro Mizukami (2016). Text Chat Dialogue Corpus Construction and Analysis of Dialogue Breakdown. Journal of Natural Language Processing, 23-1, pp. 59-86.
  6. Kyoshiro Sugiyama, Masahiro Mizukami, Graham Neubig, Koichiro Yoshino, Yu Suzuki, Satoshi Nakamura (2016). An Investigation of Machine Translation Evaluation Metrics in Cross-lingual Question Answering. Journal of Natural Language Processing, 23-5, pp. 437-461.

Paper

  1. Hiroaki Sugiyama, Masahiro Mizukami, Tsunehiro Arimoto, Hiromi Narimatsu, Yuya Chiba, Hideharu Nakajima, Toyomi Meguro (2022). Empirical analysis of training strategies of transformer-based japanese chit-chat systems. 2022 IEEE Spoken Language Technology Workshop
  2. Koh Mitsuda, Ryuichiro Higashinaka, Hiroaki Sugiyama, Masahiro Mizukami, Tetsuya Kinebuchi, Ryuta Nakamura, Noritake Adachi, Hidetoshi Kawabata (2022). Fine-Tuning a Pre-trained Transformer-Based Encoder-Decoder Model with User-Generated Question-Answer Pairs to Realize Character-Like Chatbots 12th International Workshop on Spoken Dialogue System Technology.
  3. Ryuichiro Higashinaka, Masahiro Araki, Hiroshi Tsukahara, Masahiro Mizukami (2021). Integrated taxonomy of errors in chat-oriented dialogue systems. 22nd Annual Meeting of the Special Interest Group on Discourse and Dialogue
  4. Hiromi Narimatsu, Ryuichiro Higashinaka, Hiroaki Sugiyama, Masahiro Mizukami, Tsunehiro Arimoto (2021). Analyzing How a Talk Show Host Performs Follow-Up Questions for Developing an Interview Agent. 10th International Workshop on Spoken Dialogue Systems Technology.
  5. Tsunehiro Arimoto, Hiroaki Sugiyama, Masahiro Mizukami, Hiromi Narimatsu, Ryuichiro Higashinaka (2019). Analysis of satisfaction and topics in repeated conversation through days. 23rd Workshop on the Semantics and Pragmatics of Dialogue.
  6. Ryuichiro Higashinaka, Masahiro Araki, Hiroshi Tsukahara, Masahiro Mizukami (2019). Improving Taxonomy of Errors in Chat-Oriented Dialogue Systems. 9th International Workshop on Spoken Dialogue System Technology.
  7. Koichiro Yoshino, Yoko Ishikawa, Masahiro Mizukami, Yu Suzuki, Sakriani Sakti, Satoshi Nakamura (2018). Dialogue scenario collection of persuasive dialogue with emotional expressions via crowdsourcing. 11th International Conference on Language Resources and Evaluation.
  8. Ryuichiro Higashinaka, Masahiro Mizukami, Hidetoshi Kawabata, Emi Yamaguchi, Noritake Adachi, Junji Tomita (2018). Role play-based question-answering by real users for building chatbots with consistent personalities. 19th Annual S09IGdial Meeting on Discourse and Dialogue.
  9. Hiromi Narimatsu, Hiroaki Sugiyama, Masahiro Mizukami (2018). Detecting Location-Indicating Phrases in User Utterances for Chat-Oriented Dialogue Systems. 4th Linguistic and Cognitive Approaches to Dialog Agents workshop.
  10. Masahiro Mizukami, Hiroaki Sugiyama, Hiromi Narimatsu (2018). Event Data Collection for Recent Personal Questions. 4th Linguistic and Cognitive Approaches to Dialog Agents workshop.
  11. Yukitoshi Murase, Koichiro Yoshino, Masahiro Mizukami, Satoshi Nakamura (2017). Feature Inference Based on Label Propagation on Wikidata Graph for DST. 8th International Workshop on Spoken Dialog Systems.
  12. Masahiro Mizukami, Koichiro Yoshino, Graham Neubig, David Traum, Satoshi Nakamura (2016). Analyzing the effect of entrainment on dialogue acts. 17th Annual Meeting of the Special Interest Group on Discourse and Dialogue.
  13. Masahiro Mizukami, Lasguido Nio, Hideaki Kizuki, Toshio Nomura, Graham Neubig, Koichiro Yoshino, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura (2016). Example Based Dialogue System Based on Satisfaction Prediction. Transactions of the Japanese Society for Artificial Intelligence, 32-1, pp. 1-12.
  14. Yuiko Tsunomori, Graham Neubig, Takuya Hiraoka, Masahiro Mizukami, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura (2016). A Dialog System to Detect Deception. 7th International Workshop on Spoken Dialog Systems.
  15. Masahiro Mizukami, Hideaki Kizuki, Toshio Nomura, Graham Neubig, Koichiro Yoshino, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura (2015). Adaptive selection from multiple response candidates in example-based dialogue. 2015 IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU).
  16. Masahiro Mizukami, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura (2015). Linguistic individuality transformation for spoken language. Natural Language Dialog Systems and Intelligent Assistants.
  17. Ryuichiro Higashinaka, Masahiro Mizukami, Kotaro Funakoshi, Masahiro Araki, Hiroshi Tsukahara, Yuka Kobayashi (2015). Fatal or not? Finding errors that lead to dialogue breakdowns in chat-oriented dialogue systems. the 2015 Conference on Empirical Methods in Natural Language Processing.
  18. Ryuichiro Higashinaka, Kotaro Funakoshi, Masahiro Araki, Hiroshi Tsukahara, Yuka Kobayashi, Masahiro Mizukami (2015). Towards taxonomy of errors in chat-oriented dialogue systems. 16th annual meeting of the special interest group on discourse and dialogue.
  19. Ryuichiro Higashinaka, Kotaro Funakoshi, Masahiro Mizukami, Hiroshi Tsukahara, Yuka Kobayashi, Masahiro Araki (2015). Analyzing dialogue breakdowns in chat-oriented dialogue systems. Interspeech Satelite Workshop, Errors by Humans and Machines in multimedia, multimodal and multilingual data processing (ERRARE 2015).
  20. Kyoshiro Sugiyama, Masahiro Mizukami, Graham Neubig, Koichiro Yoshino, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura (2015). An investigation of machine translation evaluation metrics in cross-lingual question answering. 10th Workshop on Statistical Machine Translation.
  21. Masahiro Mizukami, Graham Neubig, Sakriani Sakti, Tomoki Toda, Satoshi Nakamura (2014). Building a free, general-domain paraphrase database for Japanese. 17th Oriental Chapter of the International Committee for the Co-ordination and Standardization of Speech Databases and Assessment Techniques (COCOSDA).
  22. Graham Neubig, Shinsuke Mori, Masahiro Mizukami (2013). A Framework and Tool for Collaborative Extraction of Reliable Information. the Workshop on Language Processing and Crisis Information 2013.