PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Their fluency in each would be the envy of any adult language-learner.Many parents once believed that a second language was a bad idea, as it would interfere with developing the first and more important one.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com