About: http://webisa.webdatacommons.org/231587678

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	It also allows computer control through use of a head-mounted device that uses a light sensor and also through use of a joystick that can be activated by an extremity such as a foot or elbow.
http://www.w3.org/ns/prov#wasQuotedFrom	nsf.gov