<http://seicranes.com/blog/2014/05/05/great-for-all-types-of-projects-and-most-surfaces/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://seicranes.com/blog/2014/05/05/great-for-all-types-of-projects-and-most-surfaces/>