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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- 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
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- カンファレンス (国際)
- Enabling Finer Grained Place Embeddings using Spatial Hierarchy from Human Mobility Trajectories
- Toru Shimizu, Takahiro Yabe (Purdue University), Kota Tsubouchi
- 28th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- 2020.11.23
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- カンファレンス (国際)
- Intercity Simulation of Human Mobility at Rare Events via Reinforcement Learning
- Takahiro Yabe (Purdue University), Kota Tsubouchi, Yoshihide Sekimoto (The University of Tokyo)
- 28th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- 2020.11.23
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- カンファレンス (国際)
- POI Atmosphere Categorization Using Web Search Session Behavior
- Kota Tsubouchi, Hayato Kobayashi, Toru Shimizu
- 28th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- 2020.11.23
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- カンファレンス (国際)
- Supervised-CityProphet: Towards Accurate Anomalous Crowd Prediction
- Soto Anno (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology)
- 28th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
- 2020.11.23
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- 論文誌 (国際)
- Surveillance of early stage COVID-19 clusters using search query logs and mobile device-based location information
- Shohei Hisada (NAIST), Taichi Murayama (NAIST), Kota Tsubouchi, Sumio Fujita, Shuntaro Yada (NAIST), Shoko Wakamiya (NAIST), Eiji Aramaki (NAIST)
- Scientific Reports
- 2020.10.29
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- 論文誌 (国際)
- Non-Compulsory Measures Sufficiently Reduced Human Mobility in Tokyo during the COVID-19 Epidemic
- Takahiro Yabe (Purdue University), Kota Tsubouchi, Naoya Fujiwara (the University of Tokyo), Takayuki Wada (Tohoku University), Yoshihide Sekimoto (the University of Tokyo), Satish V. Ukkusuri (Purdue University)
- Scientific Reports
- 2020.10.26
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- ワークショップ (国内)
- Wi-Fi RTTを用いたデバイスフリー複数人屋内測位
- 須ヶ﨑 聖人 (東京工業大学), 坪内 孝太, 西尾 信彦 (立命館大学), 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
- 2020.9.30
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- カンファレンス (国際)
- Unsupervised Translation via Hierarchical Anchoring: Functional Mapping of Places across Cities
- Takahiro Yabe (Purdue University), Kota Tsubouchi, Toru Shimizu, Yoshihide Sekimoto (the University of Tokyo), Satish V. Ukkusuri (Purdue University)
- 26TH ACM SIGKDD CONFERENCE ON KNOWLEDGE DISCOVERY AND DATA MINING
- 2020.8.26
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- カンファレンス (国際)
- Tackling Cannibalization Problems for Online Advertisement
- Yutaro Ueoka, Kota Tsubouchi, Nobuyuki Shimizu
- 28th Conference on User Modeling, Adaptation and Personalization
- 2020.8.2
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- 論文誌 (国際)
- Development of people mass movement simulation framework based on reinforcement learning
- Yanbo Pang (The University of Tokyo), Takehiro Kashiyama (The University of Tokyo), Takahiro Yabe (Purdue University), Kota Tsubouchi, Yoshihide Sekimoto (The University of Tokyo)
- Transportation Research Part C
- 2020.8.1
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- カンファレンス (国際)
- AirPlanes: A DIY Modeling System Using Mobile VSLAM for Indoor Space
- Taiga Nishiyama (Ritsumeikan University), Daichi Yoshikawa (Ritsumeikan University), Nobuhiko Nishio (Ritsumeikan University), Kota Tsubouchi
- The 18th ACM International Conference on Mobile Systems, Applications, and Services
- 2020.6.19
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- 論文誌 (国際)
- Contextual Sentiment Neural Network for Document Sentiment Analysis
- Tomoki Ito (The University of Tokyo), Kota Tsubouchi, Hiroki Sakaji (The University of Tokyo), Kiyoshi Izumi (The University of Tokyo), and Tatsuo Yamashita
- Data Science and Engineering
- 2020.6.12
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- ワークショップ (国内)
- GPS 位置履歴を用いた時間制約を考慮した 観光施設の滞在時間モデリング
- 岩本 睦大 (東工大), 坪内 孝太, 下坂 正倫（東工大）
- 情報処理学会第66回ユビキタスコンピューティングシステム研究会
- 2020.5.26
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- ワークショップ (国内)
- GPS位置履歴情報と鉄道の乗換検索履歴を用いた異常混雑事前予測
- 安納 爽響 (東工大), 坪内 孝太, 下坂 正倫 (東工大)
- 情報処理学会第66回ユビキタスコンピューティングシステム研究会
- 2020.5.26