About: http://webisa.webdatacommons.org/20718334

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Various methods and devices have been used to enhance network security, including firewalls, identification and authentication (I&A), intrusion detectors, and virtual private networks (VPN).
http://www.w3.org/ns/prov#wasQuotedFrom	google.de