<http://webisa.webdatacommons.org/prov/472240411>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/197610743> .
<http://webisa.webdatacommons.org/197610743>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/197610743>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cisco.com> .
<http://webisa.webdatacommons.org/197610743>	<http://www.w3.org/ns/prov#value>	"Cisco SPS has the capabilities of an edge proxy server, performing such functions as authentication, accounting, registration, network-access control, and security." .