PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The National Labor Relations Board defines a labor organization as an organization that employees participate in that deals with employers over grievances, labor disputes, wages, hours of employment, or other working conditions.[13]
http://www.w3.org/ns/prov#wasQuotedFrom
  • heritage.org