We are organising a unique special issue in CEUS. The Call for Papers is copied below. --- Open Urban Data Science Submission deadline: 31 May 2026 Guest editors: Filip Biljecki, National University of Singapore, Singapore Martin Fleischmann, Charles University, Czechia Hugo Ledoux, Delft University of Technology, the Netherlands Geoff Boeing, University of Southern California, United States of America Special issue information: Computers, Environment and Urban Systems (CEUS) invites submissi...