PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A problem which many, particularly Asians, have in learning and improving their English is that they rarely converse with native-speakers of English.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com