<https://wireless-e.ru/nocat/pervyj-iot-forum-v-sankt-peterburge-2/>
<http://schema.org/datePublished>
"2017-09-20T11:01:24+00:00"^^<http://schema.org/Date>
<https://wireless-e.ru/nocat/pervyj-iot-forum-v-sankt-peterburge-2/>