PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • www.WikiSTEP.org is a place with public and free content about the international standard ISO 10303 known as STEP or the Standard for the Exchange of Product model data.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikistep.org