PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mining, once the major source of income, and still economically important, produces phosphates, gold, silver, molybdenum, antimony, lead, zinc, and other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • infoplease.com