PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Analyzing a sedimentary rock known as a mudstone, the nuclear-powered rover next found evidence of a bigger body of water ??? the ancient lake ??? that was theoretically drinkable, harboring some of the key ingredients for life including carbon, hydrogen, oxygen, sulfur, nitrogen and phosphorus.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nationalpost.com