About: http://webisa.webdatacommons.org/391421185

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	A firewall is a system that prevents access to or from a private computer network.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com