About: http://webisa.webdatacommons.org/144028120

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	Preferably, the light source is a light emitting diode and the light detector is a photodiode comprising multiple channels.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au