About: http://webisa.webdatacommons.org/342017239

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	Although laser is applied as a light source, the light source is not limited to a laser but may use lamps such as a mercury lamp and a xenon lamp.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr