About: http://webisa.webdatacommons.org/211798984

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	The SET_SHADING procedure can be used to control the direction of the light source and other shading parameters.
http://www.w3.org/ns/prov#wasQuotedFrom	virginia.edu