In the international geographic information community one of the contemporary challenges is to develop and deploy distributed technology solutions that provide means for accessing, exploring, and utilizing distributed geographic information and geoprocessing resources over a communication network like the Internet; anywhere, anytime, and with any device. Today, the scientific research and industry development put special emphasis on interoperable geographic information services; henceforth referred to as GI services. The proceeding diffusion of GI services – most notably of geographic model / information management services and geoprocessing services as defined in the GI services taxonomy of ISO 19119 (ISO/TC 211 2002).