PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It would not be perfect, of course, for instance you could not tell from the manufacturing slice whether the product was union-made or a product of slave labor, but you could pack quite a bit of good information in it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • occupywallst.org