About: http://webisa.webdatacommons.org/397699619

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	Although illustrated as a button in FIG. 1, input device 50 could be any number of input devices known to the art, such as handles, joysticks, keypads, or touch screens.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca