PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • PTT is a polyester derived from terephthalic acid or an ester thereof and trimethylene glycol (also known as 1,3-propanediol) (???PDO???).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com