People
坪内 孝太 Kota Tsubouchi Yahoo! JAPAN研究所 上席研究員
2012年3月まで東京大学でオンデマンド交通システムの研究に従事。2012年4月よりYahoo! JAPAN研究所上席研究員、データサイエンティスト。 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の研究に従事している。 2010年に東京大学にて博士（環境学）の学位を取得。
Publications
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- 論文誌 (国際)
- 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
- 2021.12.24
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- その他 (国際)
- GEO-BLEU: Similarity Measure for Geospatial Sequences
- Toru Shimizu, Kota Tsubouchi, Takahiro Yabe (Massachusetts Institute of Technology)
- arXiv.org
- 2021.12.17
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- カンファレンス (国際)
- 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
- 2021.12.2
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- カンファレンス (国際)
- 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
- 2021.11.19
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- カンファレンス (国際)
- 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
- 2021.11.19
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- その他 (国際)
- 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
- 2021.11.11
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- その他 (国際)
- Multiwave COVID-19 Prediction via Social Awareness-Based Graph Neural Networks using Mobility and Web Search Data
- Jiawei Xue (Purdue University), Takahiro Yabe (Purdue University), Kota Tsubouchi, Jianzhu Ma (Purdue University), Satish V. Ukkusuri (Purdue University)
- arXiv.org
- 2021.10.25
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- ワークショップ (国内)
- 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
- 2021.9.3
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- カンファレンス (国際)
- Improving Land Use Classification using Human Mobility-based Hierarchical Place Embeddings
- Toru Shimizu, Takahiro Yabe (Purdue University), Kota Tsubouchi
- The 19th International Conference on Pervasive Computing and Communications
- 2021.6.11
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- その他 (国内)
- 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, Masamichi Shimosaka (Tokyo Institute of Technology)
- 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
- 2021.6.4
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- 論文誌 (国際)
- 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)
- IEEE Transactions on Knowledge and Data Engineering
- 2021.5.20
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- カンファレンス (国際)
- Simultaneous multiple POI population pattern analysis system with HDP mixture regression
- Yuta Hayakawa (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology)
- the 25th Pacific-Asia Conference on Knowledge Discovery and Data Mining
- 2021.5.11
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- カンファレンス (国際)
- ColorfulFeedback: Enhancing Interest Prediction Performance through Multi-dimensional Labeled Feedback from Users
- Yuki Maeda (Keio University), Shuji Yamaguchi, Tatsuru Higurashi, Kota Tsubouchi
- 14th ACM International Web Search and Data Mining conference
- 2021.3.10
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- 論文誌 (国際)
- Usefulness of Web Search Queries for Early Detection of Diseases in Infants
- Shuji Yamaguchi, Akinari Hinoki (Nagoya University Graduate School of Medicine), Kota Tsubouchi, Hizuru Amano (Nagoya University Graduate School of Medicine), Akira Tajima, Hiroo Uchida (Nagoya University Graduate School of Medicine)
- Nagoya Journal of Medical Science
- 2021.2.19
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- その他 (国内)
- 地域の幾何的関係を考慮したマルチタスク回帰に基づく高性能な都市動態予報
- 安納 爽響 (東京工業大学), 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
- 2020.12.16
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- カンファレンス (国際)
- Location YardStick: Calculation of the Location Data Value Depending on the Users’ Context
- Kenta Kanamori, Kota Tsubouchi, Junichi Sato, Tatsuru Higurashi
- 2020 IEEE International Conference on Big Data
- 2020.12.13
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- カンファレンス (国際)
- ModelRecycling: Predicting user’s interest with connected predictive models
- Yoshiki Matsune (Ritsumeikan University), Kota Tsubouchi, Nobuhiko Nishio (Ritsumeikan University)
- 2020 IEEE International Conference on Big Data
- 2020.12.13
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- カンファレンス (国際)
- MOIRE: Mixed-Order Poisson Regression towards Fine-grained Urban Anomaly Detection at Nationwide Scale
- Masamichi Shimosaka (Tokyo Institute of Technology), Kota Tsubouchi, Yanru Chen (Tokyo Institute of Technology), Yoshiaki Ishihara (Tokyo Institute of Technology), Junichi Sato
- 2020 IEEE International Conference on Big Data
- 2020.12.13
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- カンファレンス (国際)
- Search Wandering Score: Predicting Timings of Online Shopping based on Wandering in User’s Web Search Queries
- Kota Tsubouchi, Wataru Sasaki (Keio University), Tadashi Okoshi (Keio University), Jin Nakazawa (Keio University)
- 2020 IEEE International Conference on Big Data
- 2020.12.13
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- カンファレンス (国際)
- DualSIN: Dual Sequential Interaction Network for Human Intentional Mobility Prediction
- Quanjun Chen (The University of Tokyo), Renhe Jiang (The University of Tokyo), Chuang Yang (The University of Tokyo), Zekun Cai (The University of Tokyo), Zipei Fan (The University of Tokyo), Kota Tsubouchi, Xuan Song (The University of Tokyo), Ryosuke Shibasaki (The University of Tokyo)
- 28th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- 2020.11.23