PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, polyvinyl chloride (PVC, or type 3) can degrade if re-melted and because it contains chlorine, it can form hydrochloric acid or other hazardous chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cheminst.ca