Keisuke Otaki, Ph.D.

Last Update: 2025/11/26

I am working as a researcher at Toyota Central R&D Labs., Inc.
- I received my Ph.D. (Informatics) from Kyoto University [2016/3].
- I was a JSPS Research Fellow (DC2) [2024/4-2016/3].
- I was a visitor at Fraunhofer IAIS, Germany [2013/3-2014/2].
Other pages
- https://cocomoff.netlify.app/ (updated regularly)
- https://researchmap.jp/cocomoff (updated regularly)
- https://zenn.dev/takilog (tech blog in Japanese)
- https://sizu.me/cocomoff (blog in Japanese)

My icon at X.

Our demo paper “Crowdsourced collection and visualization of urban mood via a multi sensory interactive system” has been accepted (WSDM2026 Demo Track)
- by Yang X., Otaki K., Yoshimura T., Sakai H., Li D., Kawai Y, by our collaboration (Kansai U, Kyoto Sangyo U, and TCRDL).
Our workshop paper “Subjective Experiences in Urban Spaces from the Lens of Crowds, Personality, and Large Language Models” has been accepted (GeoAI’25 Workshop in ACM SIGSPATIAL2025)
- by Otaki, K., Yang, X., Yoshimura, T., Sakai, H., Li, D., Kawai, Y.
New preprint: Data-Driven Discrete Geofence Design Using Binary Quadratic Programming [2025/9/29]
- by Otaki, K., Okada, A., Matsumori, T., Yoshida, H.
- https://arxiv.org/abs/2509.24679
Our paper “Roaming Navigation-in-the-Wild: How Pedestrians Subjectively Perceive Non-Shortest Routes” has been accepted (ACM SIGSPATIAL2025)
- by Otaki, K., Maeda, T., Uemura, K., Yoshimura, T.
New preprint: Joint Optimization of Electric Vehicle Routes and Charging Locations Learning Charge Constraints Using QUBO Solver [2025/6/5]
- by Okada, A., Otaki, K., Yoshida, H.
- https://arxiv.org/abs/2506.04687

23年度-24年度で会社のリクルータ（情報・数理分野）を退任しましたが、何か知りたいことがある方は、直接ご連絡いただければ回答できます
NeurIPS’24のTop reviewerでした。NeurIPS’22以来2度目です (Nov. 2024)
IBIS2024 企画セッション2 HCIと機械学習を担当しました (Nov. 2024)
- Website: https://ibisml.org/ibis2024/os/#os2
- with Yuki Koyama (AIST https://koyama.xyz/)
マルチエージェント・マルチロボットプランニング研究会 2024を開催しました (Oct. 2024)
- website: https://sites.google.com/view/multi-agent-robot-planning-24
- with Keisuke Okumura (AIST/Cambridge https://kei18.github.io/)