PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • NASA released the design information to the industry and ionization has since been used for pools, spas, cooling towers and other applications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • inyopools.com