<https://www.accucities.com/unreal-engine-4-shaders-and-effects-cookbook/unreal-engine-4-shaders-and-effects-cookbook/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.accucities.com/unreal-engine-4-shaders-and-effects-cookbook/unreal-engine-4-shaders-and-effects-cookbook/>