About: http://webisa.webdatacommons.org/204680751

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 system 8 uses a light source, such as a light emitting diode or a semiconductor laser, which produces a narrow beam with an elliptical cross-section.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr