PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The source of much of that pollution comes from inside your heating and air conditioning ductwork, which are lined with deposits that include bacteria, fungi, dust, pet hair, pet dander, and other contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chicagoductcleaners.com