About: http://webisa.webdatacommons.org/127024157

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	Alternatively, an area scan sensor such as a video camera can be used as the basis for deriving the x/y coordinates of selected objects, in conjunction with similar circuitry.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com