PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • First, because insomnia is a common problem and often chronic in duration, a large portion of the population would need long-term screening for the possible development of high blood pressure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com