PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The dinosaurs are a prime subject for studying this problem, because they reached the height of their diversity during the breakup of the supercontinent Pangaea in the early Cretaceous period (about 150 to 100 million years ago).
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com