1. Department of Geoinformatics, Doctoral College GIScience, University of Salzburg, Salzburg, Austria
2. Boston Area Research Initiative, School of Public Policy and Urban Affairs, Northeastern University, Boston, MA, USA
3. Product and Analytics, CyberCube, San Francisco, CA, USA
4. Department of Geoinformatics, University of Salzburg, Salzburg, Austria
5. Center for Geographic Analysis, Harvard University, Cambridge, MA, USA
6. Department of Systems and Information Engineering, University of Virginia, Charlottesville, VA, USA
7. Department of Geography and Anthropology, Louisiana State University, Baton Rouge, LA, USA