PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, there is an alternative: Unplasticized-polyvinyl chloride, or U-PVC. With this compound, no plasticizers are added.
http://www.w3.org/ns/prov#wasQuotedFrom
  • greenbuildingtalk.com