Many advances in the integration of group spatial modeling, geographic information systems (GIS), and the Internet have occurred in recent years, however there is a lack of materials to highlight the transdisciplinary characteristics and impacts of this convergence while providing a uniform and consistent treatment of this expanding field of research. Collaborative Geographic Information Systems identifies unifying concepts in the field and presents them in a single volume, providing a comprehensive treatment of collaborative GIS focusing on system design, group spatial planning and mapping,...