PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If M is a polyvalent metal cation, M forms a counter ion with two or more of SO3 ??? anions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com