Highlights from ACM SIGSPATIAL GIS 2011: the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems: (Chicago, Illinois - November 1 - 4, 2011)

ACM SIGSPATIAL GIS 2011 was the 19th gathering of the premier event on spatial information and Geographic Information Systems (GIS). It is also the fourth year that the conference was held under the auspices of ACM's most recent special interest group, SIGSPATIAL. Since its start in 1993, the conference has targeted researchers, developers, and users whose work relates to spatial information and GIS, and it has a tradition of interdisciplinary discussions and presentations. It provides a forum for original research contributions that cover conceptual, design, and implementation aspects of spatial information systems and GIS.