People
Kota Tsubouchi Senior Chief Researcher, LY Research
Graduated from the Faculty of Engineering at the University of Tokyo in 2005 and completed a doctorate at the Graduate School of Frontier Sciences at the University of Tokyo in 2010. In the same year, he became a project researcher at the University of Tokyo. From 2012, he has been a senior researcher at Yahoo! JAPAN Research Labs. He is engaged in research and development of data analysis and machine learning focusing on human activity logs (location data, search logs, shopping history, sensor data, etc.). PhD (Environmental Studies).
Awards
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2024.10.9UbiComp / ISWC 2024 Best Poster Award
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2024.4.17Ministry of Education, Culture, Sports, Science and Technology The 2024 Commendation for Science and Technology (Development Category)
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2024.3.18IPSJ SIGUBI 81th workshop The Best Paper Award
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2023.11.30The Promotion Foundation for Electrical Science and Engineering The 2023 Electrical Science and Engineering Promotion Award
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2023.11.21IPSJ SIGUBI 80th workshop The Best Paper Award
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2023.6.10IPSJ SIGUBI 78th workshop The Best Paper Award
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2023.3.23Information Processing Society of Japan The 2022 IPSJ Industrial Achievement Award
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2022.12.15IPSJ-SIGUBI 76th workshop The 2021 Distinguished Achievement and Contributions Award
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2020.6.19The 18th ACM International Conference on Mobile Systems, Applications, and Services Best Poster Award
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2020.3.27The 18th International Conference on Pervasive Computing and Communications Best Industry Paper Award (Honorable Mention)
Publications
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- CONFERENCE (INTERNATIONAL)
- Are Crowded Events Forecastable from Promotional Announcements with Large Language Models?
- Soto Anno (Tokyo Institute of Technology), Dario Tenore (Swiss Federal Institute of Technology in Zurich), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology)
- The 32nd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- November 25, 2024
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- CONFERENCE (INTERNATIONAL)
- Congestion Forecast for Trains with Railroad-Graph-based Semi-Supervised Learning using Sparse Passenger Reports
- Soto Anno (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology)
- The 32nd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- November 25, 2024
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- JOURNAL (INTERNATIONAL)
- Predicting Individual Irregular Mobility via Web Search-Driven Bipartite Graph Neural Networks
- Jiawei Xue (Purdue University), Takahiro Yabe (Massachusetts Institute of Technology), Kota Tsubouchi, Jianzhu Ma (Tsinghua University), Satish V. Ukkusuri (Purdue University)
- IEEE Transactions on Knowledge and Data Engineering
- November 21, 2024
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- JOURNAL (INTERNATIONAL)
- Elucidating ever-changing information needs for the 2024 Noto Peninsula Earthquake using web search queries
- Akira Kodaka (Keio University, Chulalongkorn University), Akihiko Nishino (Keio University), Takashi Kanno (Keio University), Kaya Onda (Keio University), Kota Tsubouchi, Shingo Suzuki (National Research Institute for Earth Science and Disaster Resilience), Shuji Yamaguchi, Naohiko Kohtake (Keio University)
- Progress in Disaster Science
- November 18, 2024
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- CONFERENCE (INTERNATIONAL)
- DisasterNeedFinder: Understanding the Information Needs in the Noto Earthquake
- Kota Tsubouchi, Shuji Yamaguchi, Keijirou Saitou (Japan Broadcasting Corporation), Akihisa Soemori (NHK Global Media Servises), Masato Morita (NHK Global Media Servises), Shigeki Asou (Japan Broadcasting Corporation)
- The 32nd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- October 29, 2024
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- CONFERENCE (INTERNATIONAL)
- Deep Learning-Based Compressed Sensing for Mobile Device-Derived Sensor Data
- Liqiang Xu (The University of Tokyo), Yuuki Nishiyama (The University of Tokyo), Kota Tsubouchi, Kaoru Sezaki (The University of Tokyo)
- The 33rd ACM International Conference on Information and Knowledge Management
- October 24, 2024
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- OTHERS (INTERNATIONAL)
- Congestion Forecast for Trains with Railroad-Graph-based Semi-Supervised Learning using Sparse Passenger Reports
- Soto Anno (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology)
- arXiv.org
- October 23, 2024
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- CONFERENCE (INTERNATIONAL)
- Investigating Acceptable Voice-based Notification Timings through Earable Devices: A Preliminary Field Study
- Manaka Ito (The University of Tokyo), Kota Tsubouchi, Nobuhiko Nishio (Ritsumeikan University), Masamichi Shimosaka (Tokyo Institute of Technology), Akihito Taya (The University of Tokyo), Kaoru Sezaki (The University of Tokyo), Yuuki Nishiyama (The University of Tokyo)
- The 2024 ACM International Joint Conference on Pervasive and Ubiquitous Computing
- October 18, 2024
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- CONFERENCE (INTERNATIONAL)
- Improving Coverage and Accuracy in Visible Light Positioning through Ceiling Reflection Modeling
- Shota Shimada, Hiroaki Murakami (The University of Tokyo), Ryo Tabata (Hokkaido University), Kota Tsubouchi, Takuya Sasatani (The University of Tokyo), Yoshihiro Kawahara (The University of Tokyo), Masanori Sugimoto (Hokkaido University)
- The 14th International Conference on Indoor Positioning and Indoor Navigation
- October 15, 2024
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- OTHERS (INTERNATIONAL)
- DisasterNeedFinder: Understanding the Information Needs in the 2024 Noto Earthquake (Comprehensive Explanation)
- Kota Tsubouchi, Shuji Yamaguchi, Keijirou Saitou (Japan Broadcasting Corporation), Akihisa Soemori (NHK Global Media Servises), Masato Morita (NHK Global Media Servises), Shigeki Asou (Japan Broadcasting Corporation)
- arXiv.org
- September 11, 2024