PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Trace quantities of acid, caustic, and other chemical or biological additives can be injected into any or all stages to promote removal of specific undesirable compounds.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com