PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Rev. Al Sharpton's National Action Network, the National Association for the Advancement of Colored People (NAACP) and Local 1199 of the Service Employees International Union (SEIU) were the principal national organizations involved in convoking the march.[15] The march was endorsed by some 300 organizations, including labor unions, religious groups and Japanese, Chinese, Korean, Arab, and Jewish
http://www.w3.org/ns/prov#wasQuotedFrom
  • newpol.org