<https://secure.gravatar.com/avatar/634cd9f32711e5ddd57979b8d5e927a7?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.softbulldog.com/pengetahuan/kedatangan-mesin-robot-apa-manusia-yang-akan-bekerja/>