Journal

• Yihong Zhang and Takahiro Hara Multi-role social behavior modeling in content-free news recommendation World Wide Web, volume 28, number 33, article number 3, 2025.
• Yuchen Ji, Daichi Amagata, Yuya Sasaki, and Takahiro Hara PolyCard: A Learned Cardinality Estimator for Intersection Queries on Spatial Polygons Journal of Intelligent Information Systems, volume 63, pages 873-891, 2025.
• Ji Yuchen, 天方 大地, 佐々木 勇和, 原 隆浩 動的空間データに対する効率的な学習型カーディナリティ推定  電子情報通信学会和文論文誌, volume J108-D, number 5, pages 229-238, 2025年5月
• Yihong Zhang and Takahiro Hara Extracting Political Interest Model from Interaction Data Based on Novel Word-level Bias Assignment ACM Transactions on Intelligent Systems and Technology, volume 16, number 1, pages 18:1-21, 2025
• Yihong Zhang, Masumi Shirakawa, and Takahiro Hara Word-Level Political Sentiments Inferred from Social Media and Application in Recommendation Diversification ACM Transactions on the Web, volume 19, number 1, pages 4:1-26, 2025.

International Conference

• Daichi Amagata and Jimin Lee Top-k Range Search on Weighted Interval Data Proceedings of the International Symposium on Spatial and Temporal Data (SSTD), pages xx-xx, 2025.
• Ryo Shirai, Ryo Imai, and Daichi Amagata Target and Non-target Category Classification from GPS and Check-in Data Proceedings of the International Symposium on Spatial and Temporal Data (SSTD), pages xx-xx, 2025.
• Yihong Zhang and Takahiro Hara Modeling Social Behavior in Collaborative Filtering Proceedings of the International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), pages 1954-1963, 2025.
• Daichi Amagata, Kazuyoshi Aoyama, Keito Kido, and Sumio Fujita How to Mine Potentially Popular Items? A Reverse MIPS-based Approach Proceedings of the International Conference on Scientific and Statistical Database Management (SSDBM), pages 9:1-9:11, 2025.
• Daichi Amagata, Kazuyoshi Aoyama, Keito Kido, and Sumio Fujita Approximate Reverse k-Ranks Queries in High Dimensions Proceedings of the International Conference on Scientific and Statistical Database Management (SSDBM), pages 17:1-17:6, 2025.
• Keito Kido, Daichi Amagata, and Takahiro Hara Fast Approximation Algorithm for Euclidean Minimum Spanning Tree Building in High Dimensions Proceedings of the Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), pages 432-443, 2025.
• Shuhei Yamazaki, Takuya Maekawa Selective Mixup: Exploring Data Augmentation for Long Time Series in Confectionery Manufacturing Proceedings of the IEEE International Conference on Industrial Cyber-Physical Systems (ICPS), pages xxx–xxx, 2025.
• Daichi Amagata Random Sampling over Spatial Range Joins Proceedings of the IEEE International Conference on Data Engineering (ICDE), pages 2080–2093, 2025.
• Yoshiyuki Maekawa, Shuichiro Haruta, Yuma Dose, and Takahiro Hara A News Recommendation Framework Utilizing ChatGPT: Estimating Target Audience and News Categories Proceedings of ACM Symposium on Applied Computing (SAC), pages 1917-1926, 2025.
• Yiqing Zhang and Takuya Maekawa InterHandNet: Capturing Two-hand Interaction for Robust Hand-washing Activity Recognition Proceedings of IEEE International Conference on Pervasive Computing and Communications (PerCom), pages 13-24, 2025.
• Jaime Morales, Qingxin Xia, Naoya Yoshimura, Hirotomo Oshima, Masamitsu Fukuda, Yasuo Namioka, and Takuya Maekawa Multilevel Transfer Learning for Complex Work Activity Recognition in Logistic Domain Proceedings of IEEE International Conference on Pervasive Computing and Communications (PerCom), pages 159-170, 2025.
• Guanyu Cao, Takuya Maekawa, Kazuya Ohara, Yasue Kishino Enhancing Environmental Independency for CSI-Based Depth Image Reconstruction Proceedings of PerCom 2025 Workshop on WiSense, page 537-542, 2025.

Domestic Conference