About: http://webisa.webdatacommons.org/443975251

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 shadows and other colors can be combined through alpha blending, performed automatically by the Silicon Graphics workstation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr