PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The first few weeks or months of effort will be discouraging enough, as your baby will likely just look at you with a puzzled expression when you sign. (Of course, most babies that age are puzzled by half of what they see, so it???s not like you???ll be alone.) Babies, like most of us, crave routine and are bothered by inconsistency.
http://www.w3.org/ns/prov#wasQuotedFrom
  • meyerweb.com