PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Egyptian blue is a synthetic pigment composed of various phases containing silica (SiO2), copper (Cu) and calcium (CaCo3)
http://www.w3.org/ns/prov#wasQuotedFrom
  • ucl.ac.uk