PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Depressive episodes tend to last longer than manic ones, and result in such symptoms as feelings of inadequacy, hopelessness, difficulty completing everyday tasks, irritability, and suicidal thinking.
http://www.w3.org/ns/prov#wasQuotedFrom
  • macleans.ca