PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Multi-stage filtering process removes contaminants such as lead, mercury, and other toxins as well as eliminates fishy odors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • natureshealthwatch.com