About: http://webisa.webdatacommons.org/439224295

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	Using a diffuse, per-pixel shader gives a term such as the following, where the absolute value gives the same lighting from above and below.
http://www.w3.org/ns/prov#wasQuotedFrom	drdave.co.uk