About: http://webisa.webdatacommons.org/221674624

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	For example, hardware elements such as firewalls may be used, and software mechanisms such as passwords, user authentication, and encrypted data communications may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com