PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Chemicals, pet dander, dust, dirt and other airborne allergens create health issues with many people and those who are particularly vulnerable to indoor pollutants include infants, the elderly, those with heart and lung diseases, and people with asthma.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uswatersystems.com