PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the early stages of mourning, it is difficult to differentiate grief -- complicated or uncomplicated -- from depression, PTSD, and other anxiety disorders.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thebody.com