PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Twitter has in place a limit on the amount of stock its employees and other shareholders may sell, limiting it to 20 percent of their shares.
http://www.w3.org/ns/prov#wasQuotedFrom
  • adweek.com