<http://webisa.webdatacommons.org/prov/452496548>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/438451996> .
<http://webisa.webdatacommons.org/438451996>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/438451996>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/438451996>	<http://www.w3.org/ns/prov#value>	"In applications such as the electrical distribution system of a factory it is necessary to utilize a complex system of main electrical feeder lines providing electrical energy for a large number of branch circuits." .