PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, there are a class of very old pulsars which, though they should be spinning very slowly, are spinning at hundreds of times a second!
http://www.w3.org/ns/prov#wasQuotedFrom
  • professorastronomy.com