1. High-Performance Computing and GIS (HPCGIS) Laboratory, Department of Geography, Kent State University, Kent, OH, USA
2. Department of Geography, University of South Carolina, Columbia, SC, USA
3. CyberGIS Center for Advanced Digital and Spatial Studies, University of Illinois at Urbana-Champaign, Urbana, IL, USA
4. Department of Geography and Geographic Information Science, University of Illinois at Urbana-Champaign, Urbana, IL, USA
5. National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Urbana, IL, USA
6. Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana, IL, USA
7. Illinois Informatics Institute, University of Illinois at Urbana-Champaign, Urbana, IL, USA