PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Feeling sad and depressed are often associated with many reasons such as relationship problems, angst about work, or concerns about your physical health.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lifewithoutdepression.org