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)
- Convolutional Compressed Sensing for Smartphone Acceleration Data Compression
- Liqiang Xu (The University of Tokyo), Yuuki Nishiyama (The University of Tokyo), Masamichi Shimosaka (Tokyo Institute of Technology), Kota Tsubouchi, Kaoru Sezaki (The University of Tokyo)
- The 20th ACM Conference on Embedded Networked Sensor Systems
- November 06, 2022
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- CONFERENCE (INTERNATIONAL)
- Estimation of Precise Heading by Segmenting the Motion of Individual Steps and LSTM
- Yuichi Ikeuchi (Ritsumeikan University), Kota Tsubouchi, Nobuhiko Nishio (Ritsumeikan University)
- The 20th ACM Conference on Embedded Networked Sensor Systems
- November 06, 2022
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- CONFERENCE (INTERNATIONAL)
- Indoor Localization with Passerby Data in Parasitic Approach
- Hidehito Gomi, Kota Tsubouchi, Teruhiko Teraoka
- The 20th ACM Conference on Embedded Networked Sensor Systems
- November 06, 2022
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- CONFERENCE (INTERNATIONAL)
- UV index estimation leveraging GNSS sensors on smartphones
- Riku Ishioka (The University of Tokyo), Kota Tsubouchi, Yuuki Nishiyama (The University of Tokyo), Kaoru Sezaki (The University of Tokyo)
- The 20th ACM Conference on Embedded Networked Sensor Systems
- November 06, 2022
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- CONFERENCE (INTERNATIONAL)
- GEO-BLEU: Similarity Measure for Geospatial Sequences
- Toru Shimizu, Kota Tsubouchi, Takahiro Yabe (Purdue University)
- 30th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- November 04, 2022
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- CONFERENCE (INTERNATIONAL)
- Estimation of Precise Step Lengths by Segmenting the Motion of Individual Steps
- Yuichi Ikeuchi (Ritsumeikan University), Daichi Yoshikawa (Ritsumeikan University), Kota Tsubouchi, Nobuhiko Nishio (Ritsumeikan University)
- 2022 International Conference on Indoor Positioning and Indoor Navigation
- September 07, 2022
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- CONFERENCE (INTERNATIONAL)
- CERAM: Coverage Expansion for Recommendations by Associating Discarded Models
- Yoshiki Matsune (Ritsumeikan University), Kota Tsubouchi, Nobuhiko Nishio (Ritsumeikan University)
- 28th ACM SIGKDD Conference on Knowledge Discovery and Data Mining
- August 22, 2022
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- CONFERENCE (INTERNATIONAL)
- Multiwave COVID-19 Prediction from Social Awareness usingWeb Search and Mobility Data
- Jiawei Xue (Purdue University), Takahiro Yabe (Massachusetts Institute of Technology), Kota Tsubouchi, Jianzhu Ma (Purdue University), Satish V. Ukkusuri (Purdue University)
- 28th ACM SIGKDD Conference on Knowledge Discovery and Data Mining
- August 22, 2022
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- CONFERENCE (DOMESTIC)
- 情報推薦における透明性がユーザに与える影響
- 日暮 立, 山口 修司, 坪内 孝太, 友成 愛, 大島 みゆき
- 2022年度 人工知能学会全国大会(第36回)
- June 17, 2022
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- CONFERENCE (INTERNATIONAL)
- DeepCrowd: A Deep Model for Large-Scale Citywide Crowd Density and Flow Prediction
- Renhe Jiang (the University of Tokyo), Zekun Cai (the University of Tokyo), Zhaonan Wang (the University of Tokyo), Chuang Yang (the University of Tokyo), Zipei Fan (the University of Tokyo), Quanjun Chen (the University of Tokyo), Kota Tsubouchi, Xuan Song (the University of Tokyo), Ryosuke Shibasaki (the University of Tokyo)
- The 38th IEEE International Conference on Data Engineering
- May 11, 2022
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- OTHERS (DOMESTIC)
- 地域特性理解促進のための画像・検索クエリ・GISデータに基づくデジタルマップアプリケーション
- 久保田 祐輝 (東京工業大学), 安納 爽響 (東京工業大学), 谷口 智美 (TANIGUCHI TOMOMI DESIGN), 坂本 隆之 (株式会社 日建設計), 辻本 顕 (株式会社 日建設計), 安田 啓紀 (株式会社 日建設計), 宮崎 光世 (兵庫大学), 石川 貴明, 坪内 孝太, 下坂 正倫 (東京工業大学)
- 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
- April 18, 2022
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- WORKSHOP (DOMESTIC)
- 日経 VI 予測のためのソーシャルメディアの 感情とトピックを用いた文書分散表現獲得手法の提案
- 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 (立命館大学), 梅原 英一 (新潟国際情報大学), 山下 達雄, 坪内 孝太, 安本 慶一 (奈良先端科学技術大学院大学)
- 人工知能学会「社会における AI」研究会 第43回研究会(「社会システムと知能合同研究会」)
- March 10, 2022
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- JOURNAL (INTERNATIONAL)
- Early warning of COVID-19 hotspots using human mobility and web search query data
- Takahiro Yabe (Purdue University), Kota Tsubouchi, Yoshihide Sekimoto (the university of tokyo), Satish V. Ukkusuri (Purdue University)
- Computers, Environment and Urban Systems
- December 24, 2021
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- OTHERS (INTERNATIONAL)
- GEO-BLEU: Similarity Measure for Geospatial Sequences
- Toru Shimizu, Kota Tsubouchi, Takahiro Yabe (Massachusetts Institute of Technology)
- arXiv.org
- December 17, 2021
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- CONFERENCE (INTERNATIONAL)
- Improving the Accuracy of Walking Context Recognition Using Step Rate
- Takuzo Ikuta (Ritsumeikan University), Kota Tsubouchi, Nobuhiko Nisho (Ritsumeikan University)
- The eleventh edition of the International Conference on Indoor Positioning and Indoor Navigation
- December 02, 2021
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- CONFERENCE (INTERNATIONAL)
- AI-BPO: Adaptive incremental BLE beacon placement optimization for crowd density monitoring applications
- Yang Zhen (Tokyo Institute of Technology), Masato Sugasaki (Tokyo Institute of Technology), Yoshihiro Kawahara (The University of Tokyo), Kota Tsubouchi, Matthew Ishige (The University of Tokyo), Masamichi Shimosaka (Tokyo Institute of Technology)
- 29th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- November 19, 2021
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- CONFERENCE (INTERNATIONAL)
- CityOutlook: Early Crowd Dynamics Forecast towards Irregular Events Detection with Synthetically Unbiased Regression
- Soto Anno (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology)
- 29th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- November 19, 2021
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- OTHERS (INTERNATIONAL)
- Nation-wide Mood: Large-scale Estimation of People's Mood from Web Search Query and Mobile Sensor Data
- Wataru Sasaki (Keio University), Hiroshi Kawane, Satoko Miyahara, Kota Tsubouchi, Tadashi Okoshi (Keio University)
- arXiv.org
- November 11, 2021
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- OTHERS (INTERNATIONAL)
- Multiwave COVID-19 Prediction from Social Awareness using Web Search and Mobility Data
- Jiawei Xue (Purdue University), Takahiro Yabe (Purdue University), Kota Tsubouchi, Jianzhu Ma (Purdue University), Satish V. Ukkusuri (Purdue University)
- arXiv.org
- October 25, 2021
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- WORKSHOP (DOMESTIC)
- Capturing spatial distribution of people interests with web queries and location data: A large scale empirical study of metropolises in Japan
- Jinyuan Li (Tokyo Institute of Technology), Soto Anno (Tokyo Institute of Technology), Takayuki Sakamoto (Nikken Sekkei Ltd.), Hiraki Yasuda (Nikken Sekkei Ltd.), Akira Tsujimoto (Nikken Sekkei Ltd.), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology)
- 情報処理学会 第71回ユビキタスコンピューティングシステム (UBI) 研究発表会
- September 03, 2021