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This chapter presents GinisWeb, an application framework designed to enable rapid development of standards based Web GIS. A Web GIS, as a whole, is considered through a client/server model. Web GIS application that enables access to shared geodata is in the role of a client. Geodata capturing, storing, maintaining and sharing through standardized Web interfaces is the responsibility of a Web GIS server side, named Web-enabled GIS. Since both client and server side operate on the same set of geodata, the design of the framework relied on a definition of a unique GinisWeb geoinformation model. Rapid development is based on an explicit description of application domain that can be used by the framework. To cope with these descriptions, design of the framework included specification of an XML language named Ginis Application Definition Language (GADL). A development of a new Web GIS application …