SDI North Rhine Westphalia Standards

The Spatial Data Initiative North Rhine Westphalia (GDI NRW) played a major role in the international standardization of OGC and ISO. Many standards developed by the SDI NRW have been adopted for official OGC standards (e.g. CityGML or Web Services). Furthermore the SDI NRW has developed some local profiles of OGC Standards (SDI NRW profiles).