PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 2 is an illustration of polarizing viewing glasses with the plane of polarization of the polarizing viewing filter for the right eye oriented 30 degrees clockwise from horizontal and the plane of polarization of the polarizing viewing filter for the left eye oriented 30 degrees counterclockwise from horizontal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com