PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Most people assume that the water in their homes is safe.??? But some households unknowingly consume water that is contaminated by bacteria, pesticides, arsenic, toxic chemicals, or other pollutants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • homewatertreatment.com