About: http://webisa.webdatacommons.org/258207578

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	Bi-Directional Scanning Apertures with two scan directions, for example vertical and horizontal, as shown in FIGS. 19B and 19C. 3.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com