PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Pickens??? plan isn???t one of the best solutions to our energy problems (for one thing, natural gas is a finite resource whose extraction is destructive), and there???s plenty to criticize about Pickens himself and his latest ad.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com