PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ozone is an unstable molecule because a weak bond (symbolized by the single line in the diagram above) connects the third oxygen atom to the other two atoms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • delozonefoodsafety.com