GDI-Vlaanderen Service Types GDI-Vlaanderen Service Types agentschap Digitaal Vlaanderen Vrij gebruik 2016-03-11 2016-05-25 OGC:WMS OGC:WFS OGC:WMTS OSGEO:TMS OGC:WCS OGC:CSW OGC:SOS INSPIRE:ATOM - Opensearch INSPIRE:Spatial Data Service