PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Sodium hypochlorite, the active ingredient in chlorine bleach, is a liquid and elemental chlorine is a gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • americanchemistry.com