About: http://webisa.webdatacommons.org/67706265

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	The light will reflect back off of the bar code or other optically encoded information on the surface S, and the photodetector will sense the reflected light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au