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There are certainly challenges, but "incorporating a world model" has been going well recently: "Mastering Atari, Go, Chess and Shogi by Planning with a Learned
by nmca 7y ago
There are certainly challenges, but "incorporating a world model" has been going well recently: "Mastering Atari, Go, Chess and Shogi by Planning with a Learned Model"
https://arxiv.org/abs/1911.08265 https://arxiv.org/abs/1911.08265
- drongoking 7y agoNot exactly. Incorporating a world or domain model usually means taking pre-existing declarative knowledge in some form (e.g. from a semantic net) and using it to aid learning. To quote the article, "Model-based reinforcement learning aims to address this issue by first learning a model of the environment’s dynamics, and then planning with respect to the learned model." So they've sped up learning from examples by learning a model first, but it's still learning from examples.
- nmca 7y agoThat seems a fairly specific meaning of the term that may not be in wider use, see eg: https://arxiv.org/abs/1803.10122 https://arxiv.org/abs/1803.10122