Keisuke Otaki, Ph.D.

Last Update: 2025/3/27

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].
Currently, I’m working as G5 Researcher [2025/1-], where Gx represents the mission grade level adopted in our laboratory.
- After my on-boarding phase [-2017/1], I was an G8 Assistant Junior Researcher [-2018/1], G7 Junior Researcher [-2021/12], and G6 Researcher [-2024/12].
Other information
- 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)
  - [e.g. in Japanese] [Blog in Japanese] お仕事で使っているサブスクサービス ****https://sizu.me/cocomoff/posts/zudiki99509c

My icon at X (a.k.a. Twitter).

Our paper “Impact of Tone-Aware Explanations in Recommender Systems” has been accepted (ACM Trans. on RS; by A. Okoso)
- https://dl.acm.org/doi/10.1145/3718101
[in Japanese] Otaki, K., Uemura, K., Yoshimura, T., “人流データを用いた街歩き指標の計算とナビゲーションに向けた観察” at DEIM2025 （Track5 ルート分析・2025/2/28、インタラクティブセッション2）
Our paper “Travel itinerary recommendation using interaction-based augmented data” has been accepted (Expert Systems with Applications; ESWA).
- ScienceDirect page: https://www.sciencedirect.com/science/article/abs/pii/S0957417424031610
- note: This journal article is based on our previous research, presented in workshop papers (RecTour2022 and RecTour2023).
- negative note: rejected from RecSys2023, AAAI2024, IJCAI2024, ECML-PKDD2024.

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/)