PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The supplied functions deal with intersections of lines and segments, point location w.r. to lines, segments, polygons, and other typical problems such as the computation of areas, connected components, lexicographic minima, sorting by polar angle.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wolfram.com