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).
Publications
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- CONFERENCE (INTERNATIONAL)
- No-Sweat Detective: No Effort Anomaly Detection for Wi-Fi-Based Localization
- Kota Tsubouchi, Kohei Yamamoto (Ristumeikan University) ,and Nobuhiko Nishio (Ristumeikan University)
- Tenth International Conference on Indoor Positioning and Indoor Navigation
- October 01, 2019
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- CONFERENCE (INTERNATIONAL)
- Daily Action Dead Reckoning Using Smartphone Sensors
- Takumi Otsuki*, Kohei Kanagu, Kota Tsubouchi, and Nobuhiko Nishio* (* Ritsumeikan University)
- Tenth International Conference on Indoor Positioning and Indoor Navigation
- September 30, 2019
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- CONFERENCE (INTERNATIONAL)
- GroupWi-Lo: Maintaining Wi-Fi-based Indoor Localization Accurate via Group-wise Total Variation Regularization
- Masato Sugasaki*1, Kota Tsubouchi, Masamichi Shimosaka*1, and Nobuhiko Nishio*2 (*1 Tokyo Institute of Technology, *2 Ritsumeikan University)
- Tenth International Conference on Indoor Positioning and Indoor Navigation
- September 30, 2019
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- CONFERENCE (INTERNATIONAL)
- CityAtmosphere: VR Image to Glimpse Wishes
- Mutsuhiro Iwamoto (Tokyo Tech), Yuta Hayakawa (Tokyo Tech), Takayuki Sakamoto (Nikken Sekkei), Hiraki Yasuda(Nikken Sekkei), Akira Tsujimoto(Nikken Sekkei), Takuto Usami (Nikken Sekkei), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Tech)
- The 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing
- September 10, 2019
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- CONFERENCE (INTERNATIONAL)
- Proactive Car Navigation: Destination Prediction release us from struggle user input of Car Navigation
- Ryo Imai(Tokyo Tech), Kosuke Watanabe, Kota Tsubouchi, Masamichi Shimosaka(Tokyo Tech)
- The 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing
- September 10, 2019
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- CONFERENCE (DOMESTIC)
- イントラデイ価格に基づいた VI 指数予測モデルによるボラティリティトレーディングの 売買シミュレーション
- 佐々木 皓大（NAIST, 東京都市大）, 諏訪 博彦（NAIST）, 小川 祐樹（立命館大）, 梅原 英一（東京都市大）, 山下 達雄, 坪内 孝太
- 第18回情報科学技術フォーラム
- September 03, 2019
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- CONFERENCE (INTERNATIONAL)
- Predicting Evacuation Decisions using Representations of Individuals’ Pre-DisasterWeb Search Behavior
- Takahiro Yabe(Purdue Univ.), Kota Tsubouchi, Toru Shimizu, Yoshihide Sekimoto(UTokyo), Satish V. Ukkusuri(Purdue Univ.)
- 25TH ACM SIGKDD CONFERENCE ON KNOWLEDGE DISCOVERY AND DATA MINING
- August 06, 2019
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- CONFERENCE (INTERNATIONAL)
- Real-World Product Deployment of Adaptive Push Notification Scheduling on Smartphones
- Tadashi Okoshi (Keio Univ.), Kota Tsubouchi, Hideyuki Tokuda (Keio Univ.)
- 25TH ACM SIGKDD CONFERENCE ON KNOWLEDGE DISCOVERY AND DATA MINING
- August 06, 2019
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- WORKSHOP (INTERNATIONAL)
- Understanding Post-Disaster Population Recovery Patterns
- Takahiro Yabe (Purdue Univ.), Kota Tsubouchi, Naoya Fujiwara (Tohoku Univ.), Yoshihide Sekimoto (UTokyo) and Satish V. Ukkusuri (Purdue Univ.)
- The main conference on the scientific analysis of mobile phone datasets
- July 08, 2019
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- CONFERENCE (DOMESTIC)
- ココハドコ?:ユーザの位置が紐付いたウェブ検索履歴の解析
- 日暮 立, 坪内 孝太
- 2019年度 人工知能学会全国大会 (第33回)
- June 06, 2019
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- CONFERENCE (DOMESTIC)
- 潜在的な旅行者へ宿泊施設提案
- 丸山 三喜也,高濱 康太郎, 坪内 孝太, 寺岡 照彦
- 2019年度 人工知能学会全国大会 (第33回)
- June 04, 2019
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- CONFERENCE (INTERNATIONAL)
- Word-level Sentiment Visualizer for Financial Documents
- Tomoki Ito (UTokyo), Kota Tsubouchi, Hiroki Sakaji (UTokyo), Tatsuo Yamashita and Kiyoshi Izumi (UTokyo)
- 2019 IEEE Conference on Computational Intelligence for Financial Engineering and Economics
- March 04, 2019
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- JOURNAL (INTERNATIONAL)
- Cross-comparative analysis of evacuation behavior after earthquakes using mobile phone data
- Takahiro Yabe (UTokyo), Yoshihide Sekimoto (UTokyo), Kota Tsubouchi, Satoshi Ikemoto (Zenrin DataCom Corporation)
- PLOS ONE
- February 20, 2019
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- CONFERENCE (INTERNATIONAL)
- Spatiality preservable factored Poisson regression for large-scale fine-grained GPS-based population analysis
- Masamichi Shimosaka(Tokyo Tech), Yuta Hayakawa(Tokyo Tech), and Kota Tsubouchi
- The Thirty-Third AAAI Conference on Artificial Intelligence
- January 28, 2019
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- CONFERENCE (INTERNATIONAL)
- Fusion of Terrain Information and Mobile Phone Location Data for Flood Area Detection in Rural Areas
- Takahiro Yabe (University of Tokyo), Kota Tsubouchi and Yoshihide Sekimoto(University of Tokyo)
- 2018 IEEE International Conference on BIG DATA
- December 10, 2018
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- JOURNAL (INTERNATIONAL)
- GINN: Gradient Interpretable Neural Networks for Visualizing Financial Texts
- Tomoki Ito (UTokyo), Hiroki Sakaji (UTokyo), Kiyoshi Izumi (UTokyo), Kota Tsubouchi, Tatsuo Yamashita
- International Journal of Data Science and Analytics 2018
- December 04, 2018
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- WORKSHOP (DOMESTIC)
- 携帯端末位置履歴を用いた階層ディリクレ混合回帰モデルに基づく活動人口予測
- 下坂 正倫（東工大）, 早川 裕太（東工大）, 坪内 孝太
- 情報処理学会 第60回ユビキタスコンピューティングシステム研究会
- December 04, 2018
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- CONFERENCE (INTERNATIONAL)
- Predictive Population Behavior Analysis from Multiple Contexts with Multilinear Poisson Regression
- Masamichi Shimosaka (Tokyo Tech), Takeshi Tsukiji (UTokyo), Hideyuki Wada(UTokyo), Kota Tsubouchi
- The ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems 2018
- November 06, 2018
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- CONFERENCE (INTERNATIONAL)
- Replicating Urban Dynamics by Generating Human-like Agents from Smartphone GPS Data
- Yanbo Pang (UTokyo), Kota Tsubouchi, Takahiro Yabe (UTokyo), Yoshihide Sekimoto (UTokyo)
- The ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems 2018
- November 06, 2018
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- WORKSHOP (DOMESTIC)
- Copernican-Touch: タッチサーフェスを指へ向けて接触させる動作を用いたタッチ入力拡張手法
- 池松 香（お茶の水女子大学, 日本学術振興会）, 山中 祥太, 坪内 孝太, 椎尾 一郎（お茶の水女子大学）
- 第26回インタラクティブシステムとソフトウェアに関するワークショップ
- October 26, 2018