_:n93c617d5331d4b43b030a58c379ea327xb2
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://answercenter.ir/topic/18816-%DA%AF%D8%B1%D9%81%D8%AA%D9%86-%D9%84%DB%8C%D8%B3%D8%AA-%D9%81%D8%A7%DB%8C%D9%84/>