About: http://webisa.webdatacommons.org/191624210

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	rection parallel to the line L at a speed V=W/T, where W is the scan width of one of the light receiving portions of N photo-sensors arranged in the line L, T is the scan cycle time and N is a positive integer equal to or greater than 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com