<https://madsg.com/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://madsg.com/%D9%BE%D8%B1%D8%B3%D8%B4%D9%86%D8%A7%D9%85%D9%87-%D8%B0%D9%87%D9%86-%D8%A2%DA%AF%D8%A7%D9%87%DB%8C/>