Keisuke Otaki

43 papers A* 2A 3B 6Misc 1Journal 12Unranked 19
YearRankTypeTitle / Venue / Authors
2026 A conf
Crowdsourced Collection and Visualization of Urban Mood via a Multisensory Interactive System.
WSDM
Xinni Yang, Keisuke Otaki, Takayoshi Yoshimura, Hiroyuki Sakai, Da Li, Yukiko Kawai
2026 — conf
Designing a Gamified Task Map Based on Multisensory User-Contributed Data to Promote Urban Exploration.
CHI Extended Abstracts
Xinni Yang, Keisuke Otaki, Takayoshi Yoshimura, Hiroyuki Sakai, Da Li, Yukiko Kawai
2025 J jnl
Data-Driven Discrete Geofence Design Using Binary Quadratic Programming.
CoRR
Keisuke Otaki, Akihisa Okada, Tadayoshi Matsumori, Hiroaki Yoshida
2025 J jnl
Impact of Tone-Aware Explanations in Recommender Systems.
Trans. Recomm. Syst.
Ayano Okoso, Keisuke Otaki, Satoshi Koide, Yukino Baba
2025 — conf
Roaming Navigation-in-the-wild: How Pedestrians Subjectively Perceive Non-shortest Routes.
SIGSPATIAL/GIS
Keisuke Otaki, Tomosuke Maeda, Keiko Uemura, Takayoshi Yoshimura
2025 — conf
Subjective Experiences in Urban Spaces from the Lens of Crowds, Personality, and Large Language Models.
GeoAI@SIGSPATIAL
Keisuke Otaki, Xinni Yang, Takayoshi Yoshimura, Hiroyuki Sakai, Da Li, Yukiko Kawai
2025 J jnl
Travel itinerary recommendation using interaction-based augmented data.
Expert Syst. Appl.
Keisuke Otaki, Yukino Baba
2024 J jnl
A Case Study on Recommender Systems in Online Conferences: Behavioral Analysis through A/B Testing.
IEICE Trans. Inf. Syst.
Ayano Okoso, Keisuke Otaki, Yoshinao Ishii, Satoshi Koide
2024 J jnl
Impact of Tone-Aware Explanations in Recommender Systems.
CoRR
Ayano Okoso, Keisuke Otaki, Satoshi Koide, Yukino Baba
2024 J jnl
QUBO Formulation Using Sequence Pair With Search Space Restriction for Rectangle Packing Problem.
IEEE Access
Akihisa Okada, Keisuke Otaki, Tadayoshi Matsumori, Hiroaki Yoshida, Kotaro Terada, Nozomu Togawa
2024 A conf
Toward Tone-Aware Explanations in Recommender Systems.
UMAP
Ayano Okoso, Keisuke Otaki, Satoshi Koide, Yukino Baba
2023 J jnl
Experimental study on the information disclosure problem: Branch-and-bound and QUBO solver.
Frontiers Appl. Math. Stat.
Keisuke Otaki, Akihisa Okada, Hiroaki Yoshida
2023 — conf
Extended Travel Itinerary Datasets Towards Reproducibility.
RecTour@RecSys
Keisuke Otaki, Yukino Baba
2023 — conf
Roaming Navigation for Pedestrians (Demo Paper).
SIGSPATIAL/GIS
Keisuke Otaki, Ai Nakada, Tomosuke Maeda, Takayoshi Yoshimura, Hiroyuki Sakai
2023 J jnl
Roaming Navigation: Diverse Constrained Paths Using Heuristic Search.
IEEE Access
Keisuke Otaki, Tomosuke Maeda, Takayoshi Yoshimura, Hiroyuki Sakai
2022 — conf
High Density Automated Valet Parking via Multi-agent Path Finding.
ITSC
Ayano Okoso, Keisuke Otaki, Satoshi Koide, Tomoki Nishi
2022 — conf
Maximal Likelihood Itinerary Planning with User Interaction Data.
RecTour@RecSys
Keisuke Otaki, Yukino Baba
2022 — conf
Optimization-based Predictive Approach for On-Demand Transportation.
PRICAI (3)
Keisuke Otaki, Tomoki Nishi, Takahiro Shiga, Toshiki Kashiwakura
2022 A* conf
Partial Wasserstein Covering.
AAAI
Keisuke Kawano, Satoshi Koide, Keisuke Otaki
2022 A* conf
Planning with Explanations for Finding Desired Meeting Points on Graphs.
AAAI
Keisuke Otaki
2021 — conf
Network-Flow-Problem-Based Approach to Multi-Agent Path Finding for Connected Autonomous Vehicles.
ITSC
Ayano Okoso, Bunyo Okumura, Keisuke Otaki, Tomoki Nishi
2021 J jnl
Partial Wasserstein Covering.
CoRR
Keisuke Kawano, Satoshi Koide, Keisuke Otaki
2020 B conf
Cooperative Path Planning for Heterogeneous Agents.
SOCS
Keisuke Otaki, Satoshi Koide, Ayano Okoso, Tomoki Nishi
2020 — conf
Cooperative Routing Problem between Customers and Vehicles for On-demand Mobile Facility Services.
ITSC
Tomoki Nishi, Keisuke Otaki, Ayano Okoso, Alex Fukunaga
2020 B conf
Distance-Based Heuristic Solvers for Cooperative Path Planning with Heterogeneous Agents.
PRIMA
Keisuke Otaki, Satoshi Koide, Ayano Okoso, Tomoki Nishi
2020 B conf
Multi-Agent Path Finding with Destination Choice.
PRIMA
Ayano Okoso, Keisuke Otaki, Tomoki Nishi
2019 A conf
Cooperative Routing with Heterogeneous Vehicles.
AAMAS
Keisuke Otaki, Satoshi Koide, Ayano Okoso, Tomoki Nishi
2019 — conf
Multi-Agent Path Finding with Priority for Cooperative Automated Valet Parking.
ITSC
Ayano Okoso, Keisuke Otaki, Tomoki Nishi
2019 B conf
Multi-agent Path Planning with Heterogeneous Cooperation.
ICTAI
Keisuke Otaki, Satoshi Koide, Keiichiro Hayakawa, Ayano Okoso, Tomoki Nishi
2018 — conf
Traffic Signal Control Based on Reinforcement Learning with Graph Convolutional Neural Nets.
ITSC
Tomoki Nishi, Keisuke Otaki, Keiichiro Hayakawa, Takayoshi Yoshimura
2017 J jnl
Learning concepts and their unions from positive data with refinement operators.
Ann. Math. Artif. Intell.
Seishi Ouchi, Tomohiko Okayama, Keisuke Otaki, Ryo Yoshinaka, Akihiro Yamamoto
2015 — conf
Edit Operations on Lattices for MDL-based Pattern Summarization.
FCA&A@ICFCA
Keisuke Otaki, Akihiro Yamamoto
2015 B conf
Periodical Skeletonization for Partially Periodic Pattern Mining.
Discovery Science
Keisuke Otaki, Akihiro Yamamoto
2014 Misc conf
A Sufficient Condition for Learning Unbounded Unions of Languages with Refinement Operators.
ISAIM
Tomohiko Okayama, Ryo Yoshinaka, Keisuke Otaki, Akihiro Yamamoto
2014 — conf
Detecting Anomalous Subgraphs on Attributed Graphs via Parametric Flow.
JSAI-isAI Workshops
Mahito Sugiyama, Keisuke Otaki
2014 B conf
Fast Computation of the Tree Edit Distance between Unordered Trees Using IP Solvers.
Discovery Science
Seiichi Kondo, Keisuke Otaki, Madori Ikeda, Akihiro Yamamoto
2014 — conf
Formal Concept Analysis for Process Enhancement Based on a Pair of Perspectives.
CLA
Madori Ikeda, Keisuke Otaki, Akihiro Yamamoto
2014 — conf
Pattern Structures for Understanding Episode Patterns.
CLA
Keisuke Otaki, Madori Ikeda, Akihiro Yamamoto
2013 — conf
Efficient Frequent Connected Induced Subgraph Mining in Graphs of Bounded Tree-Width.
ECML/PKDD (1)
Tamás Horváth, Keisuke Otaki, Jan Ramon
2012 — conf
Estimation of Generating Processes of Strings Represented with Patterns and Refinements.
ICGI
Keisuke Otaki, Akihiro Yamamoto
2012 J jnl
Privacy Preserving Using Dummy Data for Set Operations in Itemset Mining Implemented with ZDDs.
IEICE Trans. Inf. Syst.
Keisuke Otaki, Mahito Sugiyama, Akihiro Yamamoto
2012 J jnl
Semi-Supervised Ligand Finding Using Formal Concept Analysis.
Inf. Media Technol.
Mahito Sugiyama, Kentaro Imajo, Keisuke Otaki, Akihiro Yamamoto
2011 — conf
Discovering Ligands for TRP Ion Channels Using Formal Concept Analysis.
ILP (Late Breaking Papers)
Mahito Sugiyama, Kentaro Imajo, Keisuke Otaki, Akihiro Yamamoto