PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • MELAMINE 99.8% Melamine is a semi-finished product in organic chemical industry with even structure and vast applications; It is mainly used as the material to produce melamine ...
http://www.w3.org/ns/prov#wasQuotedFrom
  • made-in-china.com