About: http://webisa.webdatacommons.org/124430369

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	Building three dimension (3D) models of the scene according to the images and the data about distances between points in the scene and the TOF cameras; checking the 3D models to determine whether there is a person nearby the screen.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org