PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Marble is an example of a sedimentary rock that has been changed into a metamorphic rock.Metamorphic rocks are the least common of the 3 kinds of rocks.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mineraltown.com