PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The estimation of quantities of resources and reserves is complex, based on significant subjectiveassumptions and forward-looking information, including assumptions that arise from the evaluation ofgeological, geophysical, engineering and economic data for a given ore body.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slideshare.net