PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • y integrate acquisitions; operating or technical difficulties in connection with mining or development activities;employee relations; the speculative nature of gold exploration and development, including the risks of obtaining necessary licenses andpermits; diminishing quantities or grades of reserves; and contests over title to properties, particularly title to undeveloped properties.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slideshare.net