<http://webisa.webdatacommons.org/149466370>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/149466370>	<http://www.w3.org/ns/prov#value>	"In traffic signal controllers, the power supply is the most unreliable component, followed by the load switches, then the conflict monitor." .
<http://webisa.webdatacommons.org/prov/422973585>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149466370> .
<http://webisa.webdatacommons.org/149466370>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<dot.gov> .