Spatially aware wireless and Internet devices, cloud computing, NoSal databases, social networks and semantic web offer new ways of accessing, analyzing, and elaborating geo-spatial information in both real-world and virtual spaces. This book explores the how-to's of the most promising recurrent technologies and trends in GIS, such as Semantic GIS, Web GIS, Mobile GIS, NoSal Geographic Databases, Cloud GIS, Geo Social networks, Spatial Data Warehousing-OlAP, and Open GIS. The text discusses and emphasizes the methodological aspects of such technologies and their applications in GIS.