PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Viagra's popularity among night club goers was being reported as far back as 1999 by the BBC. Although erectile dysfunction drugs are the most counterfeited the problem is not confined to this sector.
http://www.w3.org/ns/prov#wasQuotedFrom
  • in-pharmatechnologist.com