PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • You see, fluorine is a halogen, chemically related to iodine, but much more active.
http://www.w3.org/ns/prov#wasQuotedFrom
  • undergroundwellness.com