About: http://webisa.webdatacommons.org/268925588

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 this example, we???re not using specular lighting.Next, we need to tell OpenGL about the materials our cube is made of.Light re???ects differently off different materials, such as metal, plastic,or paper.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net