About: http://webisa.webdatacommons.org/31655421

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	Access control can be applied at different levels such as the operating system, the network layer, or the application layer.
http://www.w3.org/ns/prov#wasQuotedFrom	attrition.org