PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fatigue is a common problem in all mental disorders but especially in mood disorders and includes feeling tired or weak, sleepy, and sometimes irritable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikibooks.org