PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • from the light source and the receiver, and varying atmosphere conditions and angles of the light source, i.e. the sun, in the case of sky screens.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com