PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Represented by microbial leaching and oxidation processes, biological mineral extraction has many potential areas of application but is, at present, mainly utilized to process gold and copper.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com