<https://blog.fabricworm.com/2015/01/fabricworm-giveaway-color-theory-in.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.fabricworm.com/2015/01/fabricworm-giveaway-color-theory-in.html?showComment=1422657729549>