<https://secure.gravatar.com/avatar/56c7ade76b718073ac82f0cb2482973a?s=96&amp;d=retro&amp;r=x>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://oc.jagatreview.com/2016/12/jagatoc-2016-year-in-review/>