<http://webisa.webdatacommons.org/prov/372936678>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/90307744> .
<http://webisa.webdatacommons.org/90307744>	<http://www.w3.org/ns/prov#value>	"wages, hours, working conditions, and other issues has frequently" .
<http://webisa.webdatacommons.org/prov/15729566>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/90307744> .
<http://webisa.webdatacommons.org/90307744>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<thing.net> .
<http://webisa.webdatacommons.org/90307744>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .