PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Moreover, fibromyalgia patients may also experience primary sleep disorder such as sleep apnea or periodic leg movements.
http://www.w3.org/ns/prov#wasQuotedFrom
  • myalgia.com