Journal

• Yuma Dose, Shuichiro Haruta, Yihong Zhang, and Takahiro Hara HGCL: A Hypergraph Contrastive Learning Framework with Graph Structure Learning for Recommendation 情報処理学会論文誌, volume 33, number xx, pages xx-xx, December 2025.
• Ryoma Otsuka, Hibiki Sugiyama, Yuichi Mizutani, Ken Yoda, and Takuya Maekawa Real-Time Behaviour Recognition on Bio-Loggers Enables Autonomous Audio Playback Experiments in Free-Ranging Seabirds Ecology and Evolution, volume 15, number 8, article e71832, 2025.
• Yihong Zhang, Takahiro Hara, and Lina Yao Disentangling Political Bias in Social Media Data through Multi-task Embedding Learning IEEE Transactions on Computational Social Systems, volume xx, number xx, pages xx, 2025.
• 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

• Jo Masuda, Yuma Dose, Takahiro Hara, Takuya Maekawa, Kazuki Shimazaki, Teppei Seguchi, Takayuki Kikuchi, and Kenshiro Kato Dynamic Peak-Aware Loss for Zero-Shot Occupancy Estimation Proceedings of the IEEE International Conference on Tools with Artificial Intelligence (ICTAI), pages xxx-xxx, 2025.
• Ryusei Iwasa, Yuma Dose, Takahiro Hara, Takuya Maekawa, Kazuki Shimazaki, Teppei Seguchi, Takayuki Kikuchi, and Kenshiro Kato Robust Spatio-Temporal Graph Convolutional Networks for Headcount Prediction Proceedings of the IEEE International Conference on Tools with Artificial Intelligence (ICTAI), pages xxx-xxx, 2025.
• 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.