PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • in the United States, Provigil is a Schedule IV controlled substance, which means it is illegal to import it from a foreign source.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medhelp.org