PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many of the micro-organisms found are single-celled organisms, called Archaea, that survive by converting ammonium and methane into energy in a harsh environment similar to those found elsewhere in our solar system, such as on Jupiter???s moon Europa.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newser.com