PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Polystyrene is chemically unreactive, that is why it is used to create products such as containers for chemicals, solvents and food.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stopstyrofoamhawaii.org