About: http://webisa.webdatacommons.org/391478176

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	As a gas laser, there are a helium-neon laser, a carbon dioxide gas laser, an excimer laser, and an argon ion laser.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com