PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Total Petrochemicals??? PS technology produces both general purpose PS, a rigid and transparent material used in applications such as insulation and packaging, and high impact PS, a tough colored plastic...This information is only available to Chemical Week subscribers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemweek.com