About: http://webisa.webdatacommons.org/313221486

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	Therefore, there is no need to use the light source emitting in six wavelength ranges requiring multiple types of the LEDs, which has been conventionally believed to be necessary.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com