PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As Angus Croll points out in his post ???Fixing the typeof operator22,??? you need to be aware of a number of issues with typeof checking if you???re using them for anything other than functions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • smashingmagazine.com