Last Update: 2025/8/6

Who?

• 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.

Activity

• 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.
• Our paper “User preferences in multi-objective routes: the role of gradient visualization and personality measures” has been accepted (PLOS One)
  • by Otaki, K., Yoshimura, T.
  • DOI: 10.1371/journal.pone.0329387
  • https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0329387
• New preprint: Joint Optimization of Electric Vehicle Routes and Charging Locations Learning Charge Constraints Using QUBO Solver
  • by Okada, A., Otaki, K., Yoshida, H.
  • https://arxiv.org/abs/2506.04687
• in Japanese Yoshimura, T., Uemura, K., Otaki, K., “AIベースの街路評価システムのための指標設計” at JSAI2025 (1Win4-89)
• in Japanese Otaki, K., “地理空間情報を活用した経路計画” at JSAI2025 (2M5-OS-37b-01, OS招待講演)
• 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
• 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
  • Corporate website:
  • 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.

Plan

• YANS2025で1件の共著ポスター発表を予定しています。
  • [S4-P05] 大規模視覚言語モデルを用いた街路画像からの自動景観評価法の検討 伊藤 有生・上村 恵子・大滝 啓介・吉村 貴克・堺 浩之 (豊田中研)

News

• 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/)

Archive

Old News / 古いニュース