<http://webisa.webdatacommons.org/prov/486380146>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/157738761> .
<http://webisa.webdatacommons.org/157738761>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/157738761>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<smith.edu> .
<http://webisa.webdatacommons.org/157738761>	<http://www.w3.org/ns/prov#value>	"Many of these systems are critical, including fire alarm systems, standby/emergency generators and elevators." .