0 http://schemas.opengis.net/gml/3.1.1/profiles/gmlsfProfile/1.0.0/gmlsf.xsd GML application schema used to assess compliance with the WFS 1.1 specification. This schema conforms to a subset of level SF-0 defined in the Simple Features Profile (OGC 06-049): only simple non-spatial property types are used; Curve and Surface geometries are excluded. General feature collection used as the root element in an instance document. Feature type with selected simple non-spatial properties and spatial properties having primitive geometry values. sf:PrimitiveGeoFeature A (simple) XLink element that refers to a sf:PrimitiveGeoFeature instance. Feature type with selected simple non-spatial properties and spatial properties having aggregate geometry values. Simple feature with a generic geometry property that includes characters outside of the range U+0000..U+007F (Basic Latin). Acceptable geometry representations include any of the following: gml:Point, gml:LineString, gml:Curve, gml:Polygon, gml:Surface, gml:MultiPoint, gml:MultiCurve, and gml:MultiSurface.