PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If lack of sleep is your problem, here are a few things to try, according to experts in the Center for Sleep Medicine at Bridgeport Hospital:
http://www.w3.org/ns/prov#wasQuotedFrom
  • bridgeporthospital.org