PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This material was principally created and introduced to the market in the early 1900???s, and because of its unique properties has become an ideal substitute for glass.
http://www.w3.org/ns/prov#wasQuotedFrom
  • plexiglasssheets.info