PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If it consists of a solid metal and its ions in solution, e.g. Cu and Cu2+, it is written like this:
http://www.w3.org/ns/prov#wasQuotedFrom
  • everything2.com