About: http://webisa.webdatacommons.org/29476811

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	One embodiment of the invention is an article configured for emitting diffuse light in a predetermined set of directions when coupled with a light source.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com