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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- OTHERS (INTERNATIONAL)
- Syndromic surveillance using search query logs and user location information from smartphones against COVID-19 clusters in Japan
- Shohei Hisada(NAIST), Taichi Murayama(NAIST), Kota Tsubouchi, Sumio Fujita, Shuntaro Yada(NAIST), Shoko Wakamiya(NAIST), Eiji Aramaki(NAIST)
- arXiv.org
- April 21, 2020
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- CONFERENCE (INTERNATIONAL)
- Parasitic Location Logging: Estimating Users’ Location from Context of Passersby
- Kota Tsubouchi, Teruhiko Teraoka, Hidehito Gomi, Masamichi Shimosaka (Tokyo Institute of Technology)
- 18th Annual IEEE Conference on Pervasive Computing and Communications
- March 26, 2020
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- CONFERENCE (INTERNATIONAL)
- Next Place Prediction Using GPS traces and Web Search Queries
- Ryo Imai (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology)
- 18th Annual IEEE International Conference on Pervasive Computing and Communications
- March 25, 2020
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- CONFERENCE (DOMESTIC)
- 解釈可能なニューラルネットワークによるレビュー可視化
- 伊藤 友貴(東京大学), 坪内 孝太, 山下 達雄, 坂地 泰紀(東京大学), 和泉 潔(東京大学)
- 言語処理学会第26回年次大会
- March 17, 2020
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- CONFERENCE (DOMESTIC)
- PredicTaps: シングルタップとダブルタップの識別予測に基づくシングルタップ操作のレイテンシ低減手法
- 池松 香, 山中 祥太, 坪内 孝太
- 情報処理学会インタラクション2020
- March 09, 2020
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- CONFERENCE (INTERNATIONAL)
- Word-level Contextual Sentiment Analysis with Interpretability
- Tomoki Ito (The University of Tokyo), Kota Tsubouchi , Hiroki Sakaji (The University of Tokyo), Kiyoshi Izumi (The University of Tokyo), Tatsuo Yamashita
- The Thirty-Fourth AAAI Conference on Artificial Intelligence
- February 11, 2020
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- CONFERENCE (INTERNATIONAL)
- CSNN: Contextual Sentiment Neural Network
- Tomoki Ito*, Kota Tsubouchi, Hiroki Sakaji*, Kiyoshi Izumi*, and Tatsuo Yamashita (* The University of Tokyo)
- The IEEE International Conference on Data Mining
- November 08, 2019
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- CONFERENCE (INTERNATIONAL)
- City2City: Translating Place Representations across Cities
- Takahiro Yabe*1, Kota Tsubouchi, Toru Shimizu, Yoshihide Sekimoto*2, Satish V. Ukkusuri*1 (*1 Purdue University, *2 The Unifersity of Tokyo)
- 27th International Conference on Advances in Geographic Information Systems
- November 05, 2019
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- CONFERENCE (INTERNATIONAL)
- Deep Multiple Instance Learning for Human Trajectory Identification
- Zipei Fan*, Xuan Song*, Quanjun Chen*, Renhe Jiang*, Kota Tsubouchi and Ryosuke Shibasaki* (* The University of Tokyo)
- 27th International Conference on Advances in Geographic Information Systems
- November 05, 2019
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- JOURNAL (DOMESTIC)
- Copernican-Touch: タッチサーフェスを指へ向けて動かし接触させるタッチ入力拡張技法
- 池松 香*, 山中 祥太, 坪内 孝太, 椎尾 一郎*（* お茶の水女子大学）
- コンピュータソフトウェア(日本ソフトウェア科学会論文誌)
- October 01, 2019
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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