The ActivityPub Conference of 2019 was held in Prague. This is about a talk using ActivityPub to create the Semantic Social Network. https://www.zwilnik.com/?page_id=1086

Links:

https://redaktor.me/apconf/

https://archive.org/details/apconf-talks/Talk3_Pukkamustard_compressed.mov

http://schema.org/

https://schema.org/servesCuisine

https://schema.org/areaServed

https://5stardata.info/en/

https://moz.com/blog/json-ld-for-beginners

https://en.wikipedia.org/wiki/Fediverse

https://www.zwilnik.com/?page_id=1086