Keisuke Otaki

Impact of Tone-Aware Explanations in Recommender Systems

Ayano Okoso, Keisuke Otaki, Satoshi Koide, Yukino Baba

ACM Transactions on Recommender Systems, Dec 31, 2025 Peer-reviewed

User preferences in multi-objective routes: The role of gradient visualization and personality measures

Keisuke Otaki, Takayoshi Yoshimura

PLOS One, Aug 6, 2025 Peer-reviewedCorresponding author

Travel itinerary recommendation using interaction-based augmented data.

Keisuke Otaki, Yukino Baba

Expert Syst. Appl., 269 126294-126294, 2025 Peer-reviewedLead authorLast author

QUBO Formulation Using Sequence Pair With Search Space Restriction for Rectangle Packing Problem.

Akihisa Okada, Keisuke Otaki, Tadayoshi Matsumori, Hiroaki Yoshida, Kotaro Terada, Nozomu Togawa

IEEE Access, 12 156627-156638, Oct, 2024 Peer-reviewed

Toward Tone-Aware Explanations in Recommender Systems.

Ayano Okoso, Keisuke Otaki, Satoshi Koide, Yukino Baba

UMAP, 261-266, 2024 Peer-reviewed

A Case Study on Recommender Systems in Online Conferences: Behavioral Analysis through A/B Testing.

Ayano Okoso, Keisuke Otaki, Yoshinao Ishii, Satoshi Koide

IEICE Trans. Inf. Syst., 107(5) 650-658, 2024 Peer-reviewed

Extended Travel Itinerary Datasets Towards Reproducibility

Keisuke Otaki, Yukino Baba

RecTour2023@RecSys2023, 18-28, Sep, 2023 Peer-reviewedLead authorCorresponding author

Experimental study on the information disclosure problem: Branch-and-bound and QUBO solver

Keisuke Otaki, Akihisa Okada, Hiroaki Yoshida

Frontiers in Applied Mathematics and Statistics, 9, Mar, 2023 Peer-reviewedLead authorCorresponding author

Roaming Navigation: Diverse Constrained Paths Using Heuristic Search

Keisuke Otaki, Tomosuke Maeda, Takayoshi Yoshimura, Hiroyuki Sakai

IEEE Access, 2023 Peer-reviewedLead authorCorresponding author

Optimization-based Predictive Approach for On-Demand Transportation

Keisuke Otaki, Tomoki Nishi, Takahiro Shiga, Toshiki Kashiwakura

PRICAI2022, 466-477, Nov, 2022 Peer-reviewedLead authorCorresponding author

High Density Automated Valet Parking via Multi-agent Path Finding

Ayano Okoso, Keisuke Otaki, Satoshi Koide, Tomoki Nishi

2022 IEEE Intelligent Transportation Systems Conference (ITSC 2022), 2146-2153, Nov, 2022 Peer-reviewed

Maximal Likelihood Itinerary Planning with User Interaction Data

Keisuke Otaki, Yukino Baba

RecTour2022@RecSys2022, 37-46, Sep, 2022 Peer-reviewed

Planning with Explanations for Finding Desired Meeting Points on Graphs

Keisuke Otaki

AAAI, 10319-10326, 2022 Peer-reviewed

Partial Wasserstein Covering

Keisuke Kawano, Satoshi Koide, Keisuke Otaki

AAAI, 7115-7123, 2022 Peer-reviewed

Network-Flow-Problem-Based Approach to Multi-Agent Path Finding for Connected Autonomous Vehicles

Ayano Okoso, Bunyo Okumura, Keisuke Otaki, Tomoki Nishi

2021 IEEE Intelligent Transportation Systems Conference (ITSC 2021), 1946-1953, Oct, 2021 Peer-reviewed

Multi-Agent Path Finding with Destination Choice.

Ayano Okoso, Keisuke Otaki, Tomoki Nishi

PRIMA 2020: Principles and Practice of Multi-Agent Systems, 368-376, 2020 Peer-reviewed

Distance-Based Heuristic Solvers for Cooperative Path Planning with Heterogeneous Agents.

Keisuke Otaki, Satoshi Koide, Ayano Okoso, Tomoki Nishi

PRIMA 2020: Principles and Practice of Multi-Agent Systems, 116-132, 2020 Peer-reviewed

Cooperative Routing Problem between Customers and Vehicles for On-demand Mobile Facility Services.

Tomoki Nishi, Keisuke Otaki, Ayano Okoso, Alex Fukunaga

2020 IEEE Intelligent Transportation Systems Conference (ITSC 2020), 1-6, 2020 Peer-reviewed

Cooperative Path Planning for Heterogeneous Agents.

Keisuke Otaki, Satoshi Koide, Ayano Okoso, Tomoki Nishi

Proceedings of the SoCS2020 (Extened Abstract), 133-134, 2020 Peer-reviewed

Multi-Agent Path Finding with Priority for Cooperative Automated Valet Parking

Ayano Okoso, Keisuke Otaki, Tomoki Nishi

2019 IEEE Intelligent Transportation Systems Conference (ITSC 2019), 2135-2140, Nov, 2019 Peer-reviewed

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