PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But Iceland has various kinds of volcanoes, many of which produce more evolved lavas such as rhyolite and andesite.Iceland controls Surtsey, one of the youngest islands in the world.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reference.com