Natural Language Processing, Dialogue, Machine Learning

2020.10 - Present
Researcher @ rinna Co., Ltd.
Dialogue system research

2019.10 - 2019.12
Research SDE Intern @ Microsoft Development, Rinna Team
BERT-based dialogue response generator for Japanese conversations

2015.12 - 2020.9
RA @ Kyoto University, ERATO Symbiotic Human-Robot Interaction Project
Dialogue system research

2017.10 - 2020.9, Ph.D., Intelligence Science and Technology, Kyoto University, Japan
2015.10 - 2017.9, M.Eng., Intelligence Science and Technology, Kyoto University, Japan
2011.9 - 2015.7, B.Sc., Computer Science and Technology, Peking University, China | Supervisor: Yunfang Wu

--- 2020 ---
Utterance abstraction and response diversity for open-domain dialogue systems
TyZ
PDF Ph.D. thesis

Multi-referenced training for dialogue response generation
TyZ and Tatsuya Kawahara
PDF code arxiv (2020)

Designing precise and robust dialogue response evaluators
TyZ, Divesh Lala, and Tatsuya Kawahara
PDF code Short paper at ACL 2020

--- 2019 ---
Improved end-to-end speech emotion recognition using self attention mechanism and multitask learning
Yuanchao Li, TyZ, and Tatsuya Kawahara
PDF non-official code Regular paper (oral) at Interspeech 2019

Effective incorporation of speaker information in utterance encoding in dialog
TyZ and Tatsuya Kawahara
PDF code arxiv (2019)

Content word-based sentence decoding and evaluating for open-domain neural response generation
TyZ, Shinsuke Mori, and Tatsuya Kawahara
PDF arxiv (2019)

Joint dialog act segmentation and recognition in human conversations using attention to dialog context
TyZ and Tatsuya Kawahara
Link code Journal paper at Elsevier CSL 2019

--- 2018 ---
A unified neural architecture for joint dialog act segmentation and recognition in spoken dialog system
TyZ and Tatsuya Kawahara
PDF Long paper at SIGDIAL 2018

--- 2017 ---
Joint learning of dialog act segmentation and recognition in spoken dialog using neural networks
TyZ and Tatsuya Kawahara
PDF Long paper (oral) at IJCNLP 2017

A conversational dialogue manager for the humanoid robot ERICA
Pierrick Milhorat, Divesh Lala, Koji Inoue, TyZ, Masanari Ishida, Katsuya Takanashi, Shizuka Nakamura, and Tatsuya Kawahara
PDF Long paper at IWSDS 2017

--- 2016 ---
Multimodal interaction with the autonomous android ERICA
Divesh Lala, Pierrick Milhorat, Koji Inoue, TyZ, and Tatsuya Kawahara
PDF Demo paper at ICMI 2016

Talking with ERICA, an autonomous android
Koji Inoue, Pierrick Milhorat, Divesh Lala, TyZ, and Tatsuya Kawahara
PDF Demo paper at SIGDIAL 2016

Interactional and pragmatics-related prosodic patterns in Mandarin dialog
Nigel Ward, Yuanchao Li, TyZ, and Tatsuya Kawahara
PDF Regular paper at Speech Prosody 2016

2021/05/20
Conversational AI that Learns from the Unverbalized
Link Microsoft Azure AI Days 2021 @ Online

Reviewer: ACL 2018/2020/2021, COLING 2020, EMNLP 2020/2021, IJCNLP 2017/2021, NAACL 2021