PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Lack of sleep can lead to a myriad of problems, including trouble turn down the lights, play some soft music and avoid anything that may interrupt your sleep.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthproblems101.com