About: http://webisa.webdatacommons.org/420044432

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	In another embodiment, the light directing element 230 is a layer, coating or texture that is applied to the inner or outer surface 220, 222 of the wall 216.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com