People
Kota Tsubouchi Senior Chief Researcher, LY Corporation 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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2026.3.28Information Processing Society of Japan The 2025 IPSJ Industrial Achievement Award
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2025.10.31Computer Security Symposium 2025 CSS Student Paper Award
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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
Publications
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- OTHERS (INTERNATIONAL)
- Indoor Space Authentication by ISS-based Keypoint Extraction from 3D Point Clouds
- Yuki Yamada (Kyoto University), Daisuke Kotani (Kyoto University), Kota Tsubouchi, Hidehito Gomi, Yasuo Okabe (Kyoto Unversity)
- The 24th International Conference on Pervasive Computing and Communications
- March 17, 2026
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- CONFERENCE (INTERNATIONAL)
- Shape-N-Motion: Fine-Grained Hand Object Manipulation Recognition with Ultrasonic and IMU
- Kaito Fujishige (Institute of Science Tokyo), Kota Tsubouchi, Yuuki Nishiyama (The University of Tokyo), Masamichi Shimosaka (Institute of Science Tokyo)
- The 24th International Conference on Pervasive Computing and Communications
- March 17, 2026
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- CONFERENCE (INTERNATIONAL)
- Toward a Participatory Trace-Sensing Framework Using Smartphone LiDAR for Wildlife Habitat Estimation
- Tsukasa Kojo (Nara Institute of Science and Technology), Wataru Sasaki (Nara Institute of Science and Technology), Yuki Matsuda (Nara Institute of Science and Technology), Kota Tsubouchi, Keiichi Yasumoto (Nara Institute of Science and Technology), Hirohiko Suwa (Nara Institute of Science and Technology)
- 21st International Conference on Persuasive Technology 2026
- March 13, 2026
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- CONFERENCE (DOMESTIC)
- 金融ソーシャルメディア投稿における読み手が受け取る投資スタンスの分析
- 細川 蓮 (奈良先端科学技術大学院大学), 上田 健太郎 (奈良先端科学技術大学院大学), 諏訪 博彦 (奈良先端科学技術大学院大学), 小川 祐樹 (東京都市大学), 梅原 英一 (新潟国際情報大学), 坪内 孝太, 安本 慶一 (奈良先端科学技術大学院大学)
- 第5回計算社会科学会大会
- March 04, 2026
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- CONFERENCE (DOMESTIC)
- 金融掲示板の投稿に対する個人投資家の投資スタンス知覚とLLMによる再現性評価
- 上田 健太郎 (奈良先端科学技術大学院大学), 細川 蓮 (奈良先端科学技術大学院大学), 諏訪 博彦 (奈良先端科学技術大学院大学), 坪内 孝太, 小川 祐樹 (東京都市大学), 梅原 英一 (新潟国際情報大学), 安本 慶一 (奈良先端科学技術大学院大学)
- 第5回計算社会科学会大会
- March 04, 2026
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- CONFERENCE (DOMESTIC)
- 金融掲示板投稿を用いた市場予測モデルにおける重要投稿に基づいた説明生成手法の提案
- 小手川 康太 (奈良先端科学技術大学院大学), 上田 健太郎 (奈良先端科学技術大学院大学), 細川 蓮 (奈良先端科学技術大学院大学), 山崎 公士 (立命館大学), 諏訪 博彦 (奈良先端科学技術大学院大学), 小川 祐樹 (東京都市大学), 梅原 英一 (新潟国際情報大学), 坪内 孝太, 安本 慶一 (奈良先端科学技術大学院大学)
- 第5回計算社会科学会大会
- March 04, 2026
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- CONFERENCE (INTERNATIONAL)
- Did the Writer Actually Visit the Location? Analysis of Location Reviews from Visit Experience
- Aitaro Yamamoto (Nara Institute of Science and Technology), Hiroki Ouchi (Nara Institute of Science and Technology), Kota Tsubouchi, Tatsuo Yamashita, Ryo Tsujimoto (Nara Institute of Science and Technology), Yuki Matsuda (Okayama University/Nara Institute of Science and Technology), Hirohiko Suwa (Nara Institute of Science and Technology)
- International Joint Conference on Natural Language Processing & Asia-Pacific Chapter of the Association for Computational Linguistics, 2025
- February 19, 2026
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- WORKSHOP (INTERNATIONAL)
- Wildlife Detection using Motion History Information Captured by Camera Trap in the Dark
- Shogo Yoshida (Nara Institute of Science and Technology), Yuki Matsuda (Okayama University/Nara Institute of Science and Technology), Kota Tsubouchi, Hirohiko Suwa (Nara Institute of Science and Technology), Keiichi Yasumoto (Nara Institute of Science and Technology)
- 27th International Conference on Distributed Computing and Networking
- January 08, 2026
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- CONFERENCE (INTERNATIONAL)
- Omni-CityMood: Vision-based Urban Atmosphere Perception from Every Angle
- Yuki Kubota (Institute of Science Tokyo), Kota Tsubouchi, Soto Anno (Institute of Science Tokyo), Kaito Ide (Institute of Science Tokyo), Masamichi Shimosaka (Institute of Science Tokyo)
- The 33rd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- December 22, 2025
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- CONFERENCE (DOMESTIC)
- ウェアラブルUWBの時系列CIRを用いた呼吸推定
- 芝塚 育大 (東京科学大学情報理工学院情報工学系), 藤重 凱人 (東京科学大学情報理工学院情報工学系), 坪内 孝太, 西山 勇毅 (東京科学大学情報理工学院情報工学系), 下坂 正倫 (東京科学大学情報理工学院情報工学系)
- 情報処理学会ユビキタスコンピューティングシステム研究会
- November 19, 2025