PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • About 25 of the participants are at UW-Madison.The consortium's goal is finding footprints of biological activity, or biosignatures, which are substances such as elements or isotopes that show evidence of ancient life.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yahoo.com