Location-based LLM (LLLM): Trip Purpose Estimation Using Language Models of Location Data

Mizuki Miura, Naoto Takeda(KDDI Corporation), Daisuke Kamisaka

The 22rd EAI International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (MobiQuitous 2025)

November 2025

Estimating Personal Natural Disaster Risk Using Smartphone Location Data-Comparative Analysis of Two Cities in Japan

Mizuki Miura, Akihiro Kobayashi(KDDI), Daisuke Kamisaka

The 10th IFIP WG5.15 Conference on Information Technology in Disaster Risk Reduction (ITDRR 2025)

October 2025

The Relation between Telework and Social Capital in the Workplace: Evidence from Japan

Junki Niikura

The 24th Biennial Conference of the International Telecommunications Society (ITS 2024)

June 2024

Vulnerability Information Sharing Platform for Securing Hardware Supply Chains

Kento Hasegawa, Katsutoshi Hanahara(KDDI Foundation), Hiroshi Sugisaki, Minoru Kozu, Kazuhide Fukushima, Yosuke Murakami, Shinsaku Kiyomoto

The 10th International Conference on Information Systems Security and Privacy (ICISSP 2024)

February 2024

Multi-Perspective Analysis in Ethnographic Research Teams with Step-by-Step Field Data Sharing

Naoya Tojo, Tomoko Oto(Hosei University)

ACM International Conference on Supporting Group Work (GROUP 2022/23)

January 2023

How Can We Expand Unintended Outcomes in Participatory Design?

Naoya Tojo, Haruka Yoshida(Nihon University), Tomoko Oto(Hosei University), Sumaru Niida

Participatory Design Conference (PDC) 2022

August 2022

Effects of Linguistic Proficiency and Conversation Topic on Listener’s Gaze in Triadic Conversation

Ichiro Umata, Koki Ijuin(AIST), Tsuneo Kato(Doshisha University), Seiichi Yamamoto(Doshisha University)

The 22nd International Conference on Human-Computer Interaction (HCII 2020)

July 2020

Analysis of Mental Model of Users with Network Malfunction

Haruka Yoshida, Kenta Tsukatsune(Tokyo Metropolitan University), Sumaru Niida

The 22nd International Conference on Human-Computer Interaction (HCII 2020)

July 2020

The impact of social network structure on the growth and survival of online communities

Sho Tsugawa(University of Tsukuba), Sumaru Niida

The 2019 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2019)

August 2019

Gaze from and Toward the Silent Third Participant in a Triadic Conversation

Ichiro Umata, Koki Ijuin(Doshisha University), Tsuneo Kato(Doshisha University), Seiichi Yamamoto(Doshisha University)

2019 21st International Conference on Human-Computer Interaction (HCII 2019)

July 2019