About: http://webisa.webdatacommons.org/250586982

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	According to one embodiment, the additional operator interface 773 is implemented using a personal digital assistant or other handheld computer and joystick operation is simulated using a touch screen interface of the handheld computer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es