PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The P versus NP question concerns the speed at which a computer can accomplish a task such as factorising a number.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newscientist.com