Koh Mitsuda (光田 航) is a Siri Language Engineer (Japanese) at Apple Japan, Inc., with a passion for natural language processing and dialogue systems. He was previously a researcher at NTT Labs and an Applied Scientist at rinna Co., Ltd. In 2021, he acquired his Ph.D. in engineering, specializing in dialogue systems, from the University of Tsukuba.
Email: koh.mitsuda@gmail.com
Personal Links: [Google Scholar] [Linkedin] [X]
Sep. 2024 - Now: Siri Language Engineer (Japanese) at Apple Japan, Inc.
Apr. 2023 - Sep. 2024: Applied scientist at rinna Co., Ltd.
Apr. 2015 - Apr. 2023: Researcher at NTT Labs.
Apr. 2020 - Mar. 2021: Ph.D. degree in engineering at University of Tsukuba (Utsuro lab.)
Aug. 2013 - Sep. 2013: Internship at Rakuten Group, Inc.
Apr. 2013 - Mar. 2015: M.S. degree at Tokyo Institute of Technology (Tokunaga lab.)
Aug. 2010 - Jul. 2012: Programming part-time job at Tokyo Institute of Technology (Nakadai lab.）
Apr. 2009 - Mar. 2013: B.S. degree at Tokyo Institute of Technology (Tokunaga lab.)
Conducted continual pre-training and post-training of Llama 3 8/70B for Japanese (rinna/llama-3-youko)
[Paper] (LREC-COLING 2024)
Developed toolkit for real-time multimodal dialogue systems
[Paper] (IWSDS 2024)
Released adapter-based bilingual image conversational model
(LREC-COLING 2024, same paper as above)
Trained fully generation-based chatbot and organized experiment in Twitter
[Paper] (ACL 2022)
Realized robot-to-robot debate with generation model for AI tech show
[Paper] (AACL 2022)
Created hybrid QA chatbot by combining QA and generation model
[Paper] (IWSDS 2021)
Constructed large-scale QA set and trained response generation
[Paper] (IWSDS 2019)
2024 - 2024: Area Chair (Action Editor) at ACL Rolling Review
2020 - 2023: Organizer at Special Interest Group on Natural Language Understanding and Models of Communication
2021 - 2023: Program Committee at Annual Meeting of The Association for Natural Language Processing
2020 - 2022: Organizing Committee at Annual Conference of The Japanese Society for Artificial Intelligence
2017 - 2018: Organizing Committee at Young Researcher Association for NLP Studies
Surfing 🏝️
Camp 🏕
Vintage clothing 👖
