The Web has revealed the immense value and broad applicability of GIS, set the bar for today's user expectations, and introduced flexible architectures for use with modern IT infrastructure. From basic architecture to new frontiers, "Web GIS: Principles and Applications "presents a thorough overview of the origins and developments in this emerging platform. New Web technologies addressed include: ArcGIS Server, REST services, JavaScript API/Flex API, and ArcGIS Mobile. This book offers a balance of principles, concepts, and techniques to provide you with an understanding of how Web GIS can revolutionize the way your GIS functions.