| 2026 | CHI | Designing a Gamified Task Map Based on Multisensory User-Contributed Data to Promote Urban Exploration. | Xinni Yang, Keisuke Otaki, Takayoshi Yoshimura, Hiroyuki Sakai, Da Li, Yukiko Kawai |
| 2026 | WSDM | Crowdsourced Collection and Visualization of Urban Mood via a Multisensory Interactive System. | Xinni Yang, Keisuke Otaki, Takayoshi Yoshimura, Hiroyuki Sakai, Da Li, Yukiko Kawai |
| 2022 | AAAI | Partial Wasserstein Covering. | Keisuke Kawano, Satoshi Koide, Keisuke Otaki |
| 2022 | AAAI | Planning with Explanations for Finding Desired Meeting Points on Graphs. | Keisuke Otaki |
| 2022 | PRICAI | Optimization-based Predictive Approach for On-Demand Transportation. | Keisuke Otaki, Tomoki Nishi, Takahiro Shiga, Toshiki Kashiwakura |
| 2022 | RecSys | Maximal Likelihood Itinerary Planning with User Interaction Data. | Keisuke Otaki, Yukino Baba |
| 2020 | PRIMA | Multi-Agent Path Finding with Destination Choice. | Ayano Okoso, Keisuke Otaki, Tomoki Nishi |
| 2020 | PRIMA | Distance-Based Heuristic Solvers for Cooperative Path Planning with Heterogeneous Agents. | Keisuke Otaki, Satoshi Koide, Ayano Okoso, Tomoki Nishi |
| 2020 | SoCS | Cooperative Path Planning for Heterogeneous Agents. | Keisuke Otaki, Satoshi Koide, Ayano Okoso, Tomoki Nishi |
| 2019 | ICTAI | Multi-agent Path Planning with Heterogeneous Cooperation. | Keisuke Otaki, Satoshi Koide, Keiichiro Hayakawa, Ayano Okoso, Tomoki Nishi |
| 2015 | DIS | Periodical Skeletonization for Partially Periodic Pattern Mining. | Keisuke Otaki, Akihiro Yamamoto |
| 2015 | ICFCA | Edit Operations on Lattices for MDL-based Pattern Summarization. | Keisuke Otaki, Akihiro Yamamoto |
| 2014 | DIS | Fast Computation of the Tree Edit Distance between Unordered Trees Using IP Solvers. | Seiichi Kondo, Keisuke Otaki, Madori Ikeda, Akihiro Yamamoto |
| 2014 | ISAIM | A Sufficient Condition for Learning Unbounded Unions of Languages with Refinement Operators. | Tomohiko Okayama, Ryo Yoshinaka, Keisuke Otaki, Akihiro Yamamoto |
| 2011 | ILP | Discovering Ligands for TRP Ion Channels Using Formal Concept Analysis. | Mahito Sugiyama, Kentaro Imajo, Keisuke Otaki, Akihiro Yamamoto |