PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Left untreated, sleep apnea may lead to serious health problems such as high blood pressure, stroke, heart failure, diabetes and depression.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ecommunity.com