The W3C Semantic Web Interest Group formulated in 2003 an initial RDF vocabulary for location . The opportunities presented by RSS and Atom for geolocating lightweight information formats, together with advances in standardization of location encoding from the Open Geospatial Consortium (OGC) have prompted an update of this vocabulary in the form of GeoRSS. This update both extends the expressiveness of the initial vocabulary and places it in a firmer context of OGC and ISO work on geographic information.
GeoRSS specifies a simple model for tagging external content with geographic feature properties which are consistent with the general feature model and syntax of OGC GML. Presently there are two XML serializations specified:
