PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention is a method for determining the attitude of a spacecraft (1) by observing stars (2) within a starfield (3).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com