PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Muscle pain and bodily discomfort are the most common symptoms of fibromyalgia, which may contribute to sleep problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com