<https://secure.gravatar.com/avatar/0489fde2e5e3ba2ea54b4dded746a2cd?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://jtep.org/journal/optimization-of-traffic-and-facilities/>