PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Reactive elements such as sodium, potassium and rubidium should be avoided even though they have very little solid solubility in gold.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com