https://rifco.ru/blog/2017/11/15/smart-data-%d0%b2-%d0%bc%d0%b0%d1%88%d0%b8%d0%bd%d0%bd%d0%be%d0%bc-%d0%be%d0%b1%d1%83%d1%87%d0%b5%d0%bd%d0%b8%d0%b8/