PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the early 1900s, the Swiss chemical companies Ciba, Geigy and Sandoz (all precursors of today's Novartis) began to produce pharmaceuticals such as aspirin, developed by the German company Bayer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wsj.com