1 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 level SF-1 of the Simple Features Profile (OGC 06-049): allows complex non-spatial property types, plus Curve and Surface geometries. Feature having complex property values for assessing compliance at level SF-1. sf:ComplexGeoFeature