PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Messages are often targeted by specialty, demographic or other criteria to increase relevance to recipients and deliver measurable results for the sponsoring organization.
http://www.w3.org/ns/prov#wasQuotedFrom
  • epocrates.com