About: http://webisa.webdatacommons.org/333318046

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 gray box is a device, program or system whose workings are partially understood.
http://www.w3.org/ns/prov#wasQuotedFrom	techtarget.com