About: http://webisa.webdatacommons.org/330227710

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	In that case, however, the aperture has to be designed, e.g. in the form of a circular opening which permits detection of horizontal as well as vertical eye movements.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk