PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Initially it worked for me. however it has had some side effects such as hair falling out and slight memory loss but has not been effective in preventing headaches for about a year.
http://www.w3.org/ns/prov#wasQuotedFrom
  • migraine.com