<http://webisa.webdatacommons.org/323625039> <http://www.w3.org/ns/prov#value> "Within the public sector, union membership was highest among local government workers such as police officers, fire fighters, and teachers." . <http://webisa.webdatacommons.org/prov/267139245> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/323625039> . <http://webisa.webdatacommons.org/323625039> <http://www.w3.org/ns/prov#wasQuotedFrom> <theskanner.com> . <http://webisa.webdatacommons.org/prov/273567387> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/323625039> . <http://webisa.webdatacommons.org/323625039> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .