About: http://webisa.webdatacommons.org/323330801

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 optical sensor 9 can be constituted by a combination of light emitting means such as an LED or a laser diode and light receiving means such as a phototransistor or a CCD device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com