PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Meyer Plumbing also has the capability of testing for troublesome mineral content in private water systems and cleaning up a host of those issues, including hardness and the presence of iron or sulfur.
http://www.w3.org/ns/prov#wasQuotedFrom
  • deltapublications.com