About: http://webisa.webdatacommons.org/402320842

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	now divide a scenetexture (in this case the alpha) by that blurred image and you will get some sort of outline, all you need to do next ist tweak it, power it up, clamp it, whatever, until it looks good to you.
http://www.w3.org/ns/prov#wasQuotedFrom	gameartisans.org