Publications

カンファレンス (国際)
Deep Learning-Based Compressed Sensing for Mobile Device-Derived Sensor Data: Liqiang Xu (The University of Tokyo), Yuuki Nishiyama (The University of Tokyo), Kota Tsubouchi, Kaoru Sezaki (The University of Tokyo); The 33rd ACM International Conference on Information and Knowledge Management (CIKM 2024); 2024.10.24

その他 (国際)
Congestion Forecast for Trains with Railroad-Graph-based Semi-Supervised Learning using Sparse Passenger Reports: Soto Anno (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology); arXiv.org (arXiv); 2024.10.23

論文誌 (国際)
Enhancing human mobility research with open and standardized datasets: Takahiro Yabe (New York University), Massimiliano Luca (Fondazione Bruno Kessler), Kota Tsubouchi, Bruno Lepri (Fondazione Bruno Kessler), Marta C. Gonzalez (University of California), Esteban Moro (Northeastern University); Nature Computational Science (Nat. Comput. Sci.); 2024.7.3

論文誌 (国際)
Forecasting Lifespan of Crowded Events With Acoustic Synthesis-Inspired Segmental Long Short-Term Memory: Soto Anno (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology); IEEE Access; 2024.6.25

カンファレンス (国際)
Towards Estimating UV Index with a Smartphone Utilizing GNSS Signals as a Point Cloud: Subaru Atsumi (The University of Tokyo), Riku Ishioka (The University of Tokyo), Kota Tsubouchi, Yuuki Nishiyama (The University of Tokyo), Kaoru Sezaki (The University of Tokyo); The 22nd ACM International Conference on Mobile Systems, Applications, and Services (Mobisys 2024); 2024.6.19

ワークショップ (国内)
Exploring Passive Activity Recognition using Multi-shot UWB CIRs: Han Lin (Tokyo Institute of Technology), Atsushi Nomura (Tokyo Institute of Technology), Kota Tsubouchi, Nobuhiko Nishio (Ritsumeikan University), 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 (IPSJ SIGUBI); 2024.6.5

ワークショップ (国内)
常時装着型イヤラブルデバイス利用環境における音声通知タイミング最適化に向けた基礎検討: 伊藤愛香 (東京大学), 坪内孝太, 西尾信彦 (立命館大学), 下坂正倫 (東京工業大学), 田谷昭仁 (東京大学), 瀬崎薫 (東京大学), 西山勇毅 (東京大学); 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 (IPSJ SIGUBI); 2024.6.5

ワークショップ (国際)
ChimeraTL: Transfer Learning in DBMS with Fewer Samples: Tatsuhiro Nakamori (Keio University), Shohei Matsuura, Takashi Miyazaki, Sho Nakazono, Taiki Sato, Takashi Hoshino (Cybozu Labs), Hideyuki Kawashima (Keio University); 3rd International Workshop on Databases and Machine Learning in Conjunction with ICDE 2024 (DBML 2024); 2024.5.12

論文誌 (国際)
YJMob100K: City-scale and longitudinal dataset of anonymized human mobility trajectories: Takahiro Yabe (New York University), Kota Tsubouchi, Toru Shimizu, Yoshihide Sekimoto (The University of Tokyo), Kaoru Sezaki (The University of Tokyo), Esteban Moro (Massachusetts Institute of Technology), Alex Pentland (Massachusetts Institute of Technology); Scientific Data (Sci. Data); 2024.4.23

カンファレンス (国際)
Camera-Based Position Estimation using Frequency-Multiplexed Luminance Gradient: Shota Shimada, Hiroaki Murakami (the University of Tokyo), Kota Tsubouchi, Takuya Sasatani (the University of Tokyo), Yoshihiro Kawahara (the University of Tokyo); The 22nd International Conference on Pervasive Computing and Communications (PerCom 2024); 2024.4.22

カンファレンス (国際)
Orientation Estimation using Differences in WiFi Signal Behavior in LOS and NLOS Cases: Jiaqing Yang (Ritsumeikan University), Kota Tsubouchi, Shoma Nakamae (Ritsumeikan University), Nobuhiko Nishio (Ritsumeikan University); The 22nd International Conference on Pervasive Computing and Communications (PerCom 2024); 2024.4.22

その他 (国内)
トピックモデルと大規模位置履歴を用いた地域ごとの興味関心分布の分析: 宮永薫 (東京工業大学), 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 (IPSJ SIGUBI); 2024.3.19

論文誌 (国際)
Boosting Feedback: A Framework for Enhancing Ground Truth Data Collection: Kota Tsubouchi, Tatsuru Higurashi, Shuji Yamaguchi; 2023 IEEE International Conference on Big Data (IEEE BigData 2023); 2024.3.1

論文誌 (国際)
SSCDV: Social Media Document Embedding with Sentiment and Topics for Financial Market Forecasting: Kentaro Ueda (Nara Institute of Science and Technology), Hirohiko Suwa (Nara Institute of Science and Technology), Masaki Yamada (Ritsumeikan University), Yuki Ogawa (Ritsumeikan University), Eiichi Umehara (Niigata University of International and Information Studies), Tatsuo Yamashita, Kota Tsubouchi, Keiichi Yasumoto (Nara Institute of Science and Technology); Expert Systems with Applications (ESWA); 2024.1.12

カンファレンス (国際)
Data-driven Simulation of Wireless Communication Signal Strength in Indoor Environments: Takuhiro Shimokawa (Tokyo Institute of Technology), Kota Tsubouchi, Yoshihiro Kawahara (The University of Tokyo), Hiroaki Murakami (The University of Tokyo), Masamichi Shimosaka (Tokyo Institute of Technology); The thirteenth edition of the International Conference on Indoor Positioning and Indoor Navigation (IPIN 2023); 2023.12.8

カンファレンス (国際)
Enhancing Indoor Altitude Estimation on Smartphones: Resolving Ventilation Fan Effects: Kota Tsubouchi, Yuki Hirayama (Ritsumeikan University), Takuzo Ikuta (Ritsumeikan University), Nobuhiko Nishio (Ritsumeikan University); The thirteenth edition of the International Conference on Indoor Positioning and Indoor Navigation (IPIN 2023); 2023.12.8

ワークショップ (国内)
ハンズフリーのデバイス操作のための汎用イヤラブルデバイスのIMUセンサーを用いた表情認識手法: 北森迪耶 (東京工業大学), 坪内孝太, 西尾信彦 (立命館大学), 西山勇毅 (東京大学), 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 (IPSJ SIGUBI); 2023.11.21

ワークショップ (国内)
敵対的生成モデルに基づく活動人口の波形描画を用いた混雑寿命予報: 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 (IPSJ SIGUBI); 2023.11.21

論文誌 (国際)
CityOutlook+: Early Crowd Dynamics Forecast through Unbiased Regression with Importance-based Synthetic Oversampling: Soto Anno (Tokyo Institute of Technology), Kota Tsubouchi, Masamichi Shimosaka (Tokyo Institute of Technology); IEEE Pervasive Computing; 2023.11.7

論文誌 (国際)
Data-Driven Estimation of Economic Indicators with Search Big Data in Discontinuous Situation: Goshi Aoki (Keio University), Kazuto Ataka, Takero Doi (Keio University), Kota Tsubouchi; The Journal of Finance and Data Science (JFDS); 2023.11.7