PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We???ve explored exercise in depth before, and looked at what it does to our brains, such as releasing proteins and endorphins that make us feel happier.
http://www.w3.org/ns/prov#wasQuotedFrom
  • time.com