PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Drug companies including Pfizer, Merck & Co. and Bristol Myers-Squibb Co. are squeezed by rising research costs, the weak global economy and pressure from Europe, China and elsewhere to reduce drug prices.
http://www.w3.org/ns/prov#wasQuotedFrom
  • questia.com