PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Science organizations such as the American Chemical Society, the Chemical Heritage Foundation, and the National Institutes of Health have Twitter pages as well.
http://www.w3.org/ns/prov#wasQuotedFrom
  • acs.org