<https://www.trestgroup.ru/single-post/2017/02/02/retailru-\u0432\u044B\u043F\u0443\u0441\u0442\u0438\u043B-\u043A\u043D\u0438\u0433\u0443-\u0434\u043B\u044F-\u043F\u043E\u0441\u0442\u0430\u0432\u0449\u0438\u043A\u043E\u0432>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.trestgroup.ru/single-post/2017/02/02/retailru-%D0%B2%D1%8B%D0%BF%D1%83%D1%81%D1%82%D0%B8%D0%BB-%D0%BA%D0%BD%D0%B8%D0%B3%D1%83-%D0%B4%D0%BB%D1%8F-%D0%BF%D0%BE%D1%81%D1%82%D0%B0%D0%B2%D1%89%D0%B8%D0%BA%D0%BE%D0%B2>