About: http://webisa.webdatacommons.org/341030658

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	A barcode scanner is an optical device that reads the code by scanning a focusedbeam of light, generally a laser beam, across the bar code and detecting the variations inreflected light.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net