<http://webisa.webdatacommons.org/411157277>	<http://www.w3.org/ns/prov#value>	"PCs, PLCs and plant supervisory management systems communicate directly with the devices or processes such as pushbuttons, switches, sensors, control alarms, and starters." .
<http://webisa.webdatacommons.org/prov/253549248>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/411157277> .
<http://webisa.webdatacommons.org/411157277>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/411157277>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .