PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Sinopec, on the other hand, has traditionally focused on downstream activities such as refining and distribution with these sectors making up nearly 80 percent of the company's revenues in recent years and is gradually seeking to acquire more upstream assets.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rigsworld.com