PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I have a solution for people suffering insomnia ??? be thankful ??? sleep is a waste of time and maybe they are just getting too much of it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cnn.com