PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Prescription stimulants are often used to treat medical conditions such as narcolepsy or attention deficit hyperactivity disorder.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com