About: http://webisa.webdatacommons.org/170692985

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	While a laser is shown and described, other types of light sources may be used, including white light, light emitting diodes, or other solid state devices.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com