PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A possibility is to use the relation between defined radiuses and angles, e.g. based on the spherical coordinate system or the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com