People
坪内 孝太 Kota Tsubouchi LINEヤフー研究所 上席研究員
2005年東京大学工学部卒業．2010年東京大学大学院新領域創成科学研究科博士課程修了．同年東京大学特任研究員．2012年よりYahoo! JAPAN研究所上席研究員．Yahoo! JAPAN研究所では人の行動ログ（位置情報，検索ログ，買い物履歴，センサーデータなど）に着目したデータ解析，機械学習の研究開発に従事．IEEE，ACM，情報処理学会，人工知能学会各会員．博士（環境学）．
Awards
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2024.10.9UbiComp / ISWC 2024 Best Poster Award
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2024.4.17文部科学省 令和6年度科学技術分野の文部科学大臣表彰 科学技術賞（開発部門）
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2024.3.18情報処理学会 第81回UBI研究会 優秀論文賞
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2023.11.30公益財団法人 電気科学技術奨励会 2023年度業績賞
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2023.11.21情報処理学会 第80回UBI研究会 優秀論文賞
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2023.6.10情報処理学会 第78回UBI研究会 優秀論文賞
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2023.3.23情報処理学会 2022年度業績賞
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2022.12.15情報処理学会 第76回UBI研究会 優秀論文賞
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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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- カンファレンス (国際)
- 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
- 2024.11.25
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- カンファレンス (国際)
- 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
- 2024.11.25
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- 論文誌 (国際)
- 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
- 2024.11.21
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- 論文誌 (国際)
- 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
- 2024.11.18
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- カンファレンス (国際)
- 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
- 2024.10.29
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- カンファレンス (国際)
- 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
- 2024.10.24
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- その他 (国際)
- 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
- 2024.10.23
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- カンファレンス (国際)
- 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
- 2024.10.18
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- カンファレンス (国際)
- 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
- 2024.10.15
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- その他 (国際)
- 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
- 2024.9.11