PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some people may have specific conditions affecting their sleep, such as sleep apnea, narcolepsy, rapid eye movement sleep behavior disorder, periodic limb movement and restless legs syndrome.
http://www.w3.org/ns/prov#wasQuotedFrom
  • utmb.edu