Daigo Shiraishi (graduated in March 2026) , Department of Systems Innovation, received Outstanding Paper Award (TLOG 2026)

On 28th June 2026, Daigo Shiraishi (graduated in March 2026), Shibasaki Lab., Department of Systems Innovation, received Outstanding Paper Award at the 11th International Conference on Transportation and Logistics (TLOG2026).

Outstanding Paper Award
Outstanding Paper Award is selected from among the papers submitted to the 11th International Conference on Transportation and Logistics (TLOG2026).

About awarded research

Daigo Shiraishi, School of Engineering, Department of Systems Innovation, Graduated in March 2026

Ryuichi Shibasaki, School of Engineering, Department of Systems Innovation, Associate Professor

Yoshiki Ogawa, Hitotsubashi University, Graduate School of Social Data Science, Associate Professor

This paper developed a methodology for estimating the cargo-handling behavior of container trailers using ETC2.0 probe data, a type of vehicle probe data. As exemplified by Japan's "2024 Problem" in logistics, resource shortages in transport activities have become a widely recognized issue, yet the actual operational status remains poorly understood in quantitative terms. While conventional probe data analysis struggled to identify cargo-handling activities, this study constructed a state transition model based on the attributes of stay points and vehicle movement and solved it using dynamic programming, enabling high-accuracy estimation of trailer states and clarifying the actual structure of container transport. Furthermore, using the estimation results, a scenario analysis focused on the use of inland container depots (ICD) was conducted, quantitatively demonstrating that integrating ICDs could potentially reduce empty container transport distances by approximately 42% at maximum. 

Your impression & future plan

I am deeply honored that this research, the culmination of my master's studies, has received this award. Building on the feedback received, I hope to further refine this work into a more polished paper and submit it to a journal. I would like to once again express my sincere gratitude to Professor Shibasaki, who guided me over the past three years, as well as to the members of our laboratory and everyone who provided data and valuable advice.