PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • it is well known that smoking raises your risk for heart disease and cancer, including lung and colon cancers, but most people do not realize that smoking also can be a cause of persistent back pain.
http://www.w3.org/ns/prov#wasQuotedFrom
  • everydayhealth.com