PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The details are a little sketchy, but this much is certain: the Nerf line started with a four-inch ball marketed on its safety for indoor play, and was a massive success; four million were sold in its first year of availability.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yahoo.com