<https://hellitalk.com/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hellitalk.com/%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA-%DA%A9%D9%85%D8%A7%D9%84-%DA%AF%D8%B1%D8%A7%DB%8C%DB%8C/2-2-2/>