🏆Best Doctoral Symposium Paper AwardSocially-Aware Robot Navigation Using Large Language Models: System and Evaluation
Xuqing Liu, Tatsuya Amano, Hamada Rizk, Hirozumi Yamaguchi
ICDCN 2026 Doctoral Symposium
🏆Student Research Competition 3rd prizeSharing without caring: privacy protection of users' spatio-temporal data without compromise on utility
Ren Ozeki, Haruki Yonekura, Hamada Rizk, Hirozumi Yamagichi
The 30th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2022, Student Research Competition)
A Lightweight Vision-Language Model for Disaster Image Summarization
Hibiki Yoshizaki, Akira Uchiyama, Akihito Hiromori, Mineo Takai, Hirozumi Yamaguchi
Percom2026 Workshop: PeRConAI
Leveraging Physics Anomaly Knowledge and Contrastive Learning for Region-Agnostic Landslide Prediction
Ren Ozeki, Hirozumi Yamaguchi
AAAI 2026 Workshop: ASTAD (3rd Workshop on Automated Spatial and Temporal Anomaly Detection)
Neural Surrogate Model for Autonomous Driving Communications Based on Strategic Sampling
Ibuki Matsumoto, Takamasa Higuchi, Fukuharu Tanaka, Tatsuya Amano, Hamada Rizk, Akira Uchiyama, Akihito Hiromori, Hirozumi Yamaguchi, Masaki Takanashi
ICDCN 2026 Poster/Demo
MobText-SISA: Efficient Machine Unlearning for Mobility Logs with Spatio-Temporal and Natural-Language Data
Haruki Yonekura, Ren Ozeki, Tatsuya Amano, Hamada Rizk, Hirozumi Yamaguchi
In Proceedings of the 33rd ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL '25). pp. 1186–1189.
Understanding Privacy Awareness in Immersive Spatial Sharing System
Tomokazu Matsui, Shigetomo Sakuma, Yuki Mishima, Hirohiko Suwa, Keiichi Yasumoto, Tatsuya Amano, and Hirozumi Yamaguchi
Sensors and Materials, Volume 36, Number 10(3) (2024), pp. 4567-4583
Balancing Privacy and Planning: Using Counterfactuals to Predict and Optimize Tourism in Wakayama City
Malvika Mishra, Srikant Manas Kala, Tatsuya Amano, and Hirozumi Yamaguchi
In Proceedings of the 2nd ACM SIGSPATIAL International Workshop on Geo-Privacy and Data Utility for Smart Societies (GeoPrivacy '24), pp.25--30
Privacy-Preserved Taxi Demand Prediction System Utilizing Distributed Data
Ren Ozeki, Haruki Yonekura, Hamada Rizk and Hirozumi Yamaguchi
In Proceedings of the 32nd ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL '24).pp.123–134