First time I read about "sub-network" is in this AI Google blog post : https://ai.googleblog.com/2019/09/recursive-sketches-for-modular-deep.html?m=1 https://ai

First time I read about "sub-network" is in this AI Google blog post : https://ai.googleblog.com/2019/09/recursive-sketches-for-modular-deep.html?m=1 https://ai.googleblog.com/2019/09/recursive-sketches-for-mod... They talk about the concept of "modular network". The article itself links to the Wikipedia page : https://en.wikipedia.org/wiki/Modular_neural_network https://en.wikipedia.org/wiki/Modular_neural_network Not sure it's exactly the same idea, but it looks similar.