Gaspard Merten

Researcher at ULB, co-founder of MobilityTwin.Brussels

Gaspard Merten is a researcher at the CoDE lab of Université libre de Bruxelles (ULB) and a co-founder of MobilityTwin.Brussels.

Gaspard started the project as a master's student at ULB's Polytechnic School, designing the original architecture and data pipeline, and still leads the development and maintenance of the platform.

Gaspard's research also covers language models for movement data: GeoPandas-AI, a foundation model for trajectories, and LLMs for analysing ship (AIS) data.

Publications

Brussels Mobility Twin (Data and Resources Paper) Gaspard Merten, Mahmoud Sakr. ACM SIGSPATIAL, 2023.
GeoPandas-AI: A Smart Class Bringing LLM as Stateful AI Code Assistant Gaspard Merten, Gilles Dejaegere, Mahmoud Sakr. ACM SIGSPATIAL, 2025.
Building a Foundation Model for Trajectory from Scratch Gaspard Merten, Mahmoud Sakr, Gilles Dejaegere. ACM SIGSPATIAL, 2025.
Using LLMs for Analyzing AIS Data Gaspard Merten, Gilles Dejaegere, Mahmoud Sakr. Symposium on Maritime Informatics and Robotics (MARIS), 2025.

MobilityTwin.Brussels

Gaspard Merten co-founded MobilityTwin.Brussels with Mahmoud Sakr. It is an open data platform from ULB's CoDE lab: one API for live and historical data on how people and vehicles move in and around Brussels.