Over the past few years I have been acting as the deputy leader of the working group on the representation of movement data and spatio-temporal DBs of the European Science Foundation COST action MOVE (Knowledge Discovery for Moving Objects). I am currently involved in the H2020 project datAcron "Big Data Analytics for Time Critical Mobility Forecasting". . Amongst other affiliations, I am a visiting researcher at the Information Media Lab of the University of Hyogo, a research associate at the Centre for Planning Studies at the Laval University and a research fellow at the Joint Laboratory for Geographical Information Science at the Chinese University of Hong Kong. In 2014 I have been an Erskine Fellow at the Department of Geography, University of Canterbury, Christchurch, New Zealand. I am a regular visiting research fellow of Logistics Engineering College of the Shanghai Maritime University. I co-chair the ISPRS commission on semantic interoperability and ontology for geospatial information and I am in charge of the international relations of the French national research network in GIS, so-called, MAGIS for "Modelisation et Application des SIG".