PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Rivers of north India, which flow from Himalayas, bring a variety of materials including silt, clay, sand and gravel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slideshare.net