Geographic information systems (GIS)represent a class of decision support tools that are attracting increasing interest in both the academic and practitioner communities. GIS technology offers a way to integrate spatial data (e&, maps, floor plans,virtualspace)withdatabasescontainingtextual,analytical,andgraphicaldata. Theresultinginformationsetcontains data that are referenced to geographically-accurate locations in space and can be used for complex spatial analyses by decision makers. GIS have been used for many years in the natural resources, forestry, and environmental industries. GIS are now increasingly being used for a number of business and management functions such as logistics, site management, facility management, marketing, public policy and planning.