PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The quality of the air inside our homes, offices, public buildings, schools and so on is affected by many factors, including the quality of the outside air, building materials (particularly volatile materials like glues and paints), ventilation, furnishings, appliances (particularly unflued gas appliances), environmental tobacco smoke and cleaning agents.165-166
http://www.w3.org/ns/prov#wasQuotedFrom
  • environment.gov.au