PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Water softening is the process of reducing calcium, magnesium, and other metal contaminates found in untreated, hard water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • austinairrescue.com