PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The in-home analysis provides immediate results, is free and might be more accurate for some things such as hydrogen sulfide and iron.
http://www.w3.org/ns/prov#wasQuotedFrom
  • kinetico.com