About: http://webisa.webdatacommons.org/368701329

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	Other methods of finding the location of the head of an occupant are possible including in particular an electromagnetic based system such as a camera, capacitance sensor or electric field sensor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk