PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thus the amygdala and other brain regions are especially active when both facial expression and the emotional content of speech signify happiness.
http://www.w3.org/ns/prov#wasQuotedFrom
  • theconversation.com