PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • CAS registers substances of all types as they are newly reported and come to the attention of CAS scientists who analyze and index patents from 37 issuing authorities, articles from more than 9,000 scientific journals, books and other documents published around the world.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econtentmag.com