PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While more detailed work will eventually be needed for each location, the new work is a serious improvement on the wide range of previous back-of-the-envelope estimates.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arstechnica.com