About: http://webisa.webdatacommons.org/159275466

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	This technique of usage control is also not practical in most cases with software distributed over networks, such as the Internet, because of the requirement that the user have a physical hardware key.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com