PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Such an episode is characterized by depressed mood, a marked decrease in pleasure, or both, for at least two weeks, and symptoms such as agitation, fatigue, feelings of worthlessness, and thoughts of death or suicide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • theatlantic.com