About: http://webisa.webdatacommons.org/122845486

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	Optionally sources 102, provider system 104, and requesting user systems 120 each may be protected by data firewalls, gateways, and other data and system security measures 131, 132, 133.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com