About: http://webisa.webdatacommons.org/310553445

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	The projector illuminates a scene, a camera tracks key elements such as a line drawn on a wall, and an accelerometer assists in sensing its motion and position.
http://www.w3.org/ns/prov#wasQuotedFrom	acm.org