PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They contain no heavy metals or other known toxic substances, and pass the European Union criteria for being an eco-friendly pigment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ecomii.com