<http://webisa.webdatacommons.org/prov/62013453>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/241973239> .
<http://webisa.webdatacommons.org/241973239>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/241973239>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<keysso.net> .
<http://webisa.webdatacommons.org/241973239>	<http://www.w3.org/ns/prov#value>	"firewall is a computer that examines each packet of data that passes through" .