PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ...off over the last few months and especially in the last 2 weeks, I have had headaches combined with palpitations, and sometimes shallow- breathing and weakness in my arms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • treato.com