PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The contaminant or contaminants to be removed may include any foreign substance attached to or carried by the surface such as hazardous materials, soil, grease, oil, paint, soot, solvents and other objectionable deposits.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk