About: http://webisa.webdatacommons.org/324347721

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 one embodiment, the second imaging sensor 210B is a visible light sensor, and the illuminator is a light source such as a visible light emitting diode (LED) or flash.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com