About: http://webisa.webdatacommons.org/403871011

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	However, this is not limitative of the invention, and a laser diode, photodiode, or other optical element may equally be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com