PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ernst & Young, one of the world???s largest and most respected accounting firms, found that last year the 50 largest U.S. oil and gas companies spent almost $186 billion on domestic exploration and developing new production.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fool.com