PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Pollution in the air can come from outside the home in the forms of ozone, oxides of nitrogen, and other gases that are the products of our industrial society, but pollution can also come from sources inside the home, such as household cleaners, electronic equipment, and curing paint and adhesives.
http://www.w3.org/ns/prov#wasQuotedFrom
  • framedestination.com