PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Indeed, in some cases, the use of the ordinarily permissive words may or "should does not render a provision other than mandatory when the context in which those words are used is considered.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gao.gov