PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The aurora moves in eleven year cycles, the next of which will peak during 2013, so now is an extremely good time to try and catch a glimpse.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tutsplus.com