PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • H2CO3 is an acid, and tends to leach calcium from single-celled creatures in the sea water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slashdot.org