About: http://webisa.webdatacommons.org/58560239

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	Computer system 400 is also coupled to an alphanumeric input device 422, including a keyboard, for communicating information and command selections to processor 402.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com