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- W4226074652 abstract "Alchemy is a new meta-learning environment rich enough to contain interesting abstractions, yet simple enough to make fine-grained analysis tractable. Further, Alchemy provides an optional symbolic interface that enables meta-RL research without a large compute budget. In this work, we take the first steps toward using Symbolic Alchemy to identify design choices that enable deep-RL agents to learn various types of abstraction. Then, using a variety of behavioral and introspective analyses we investigate how our trained agents use and represent abstract task variables, and find intriguing connections to the neuroscience of abstraction. We conclude by discussing the next steps for using meta-RL and Alchemy to better understand the representation of abstract variables in the brain." @default.
- W4226074652 created "2022-05-05" @default.
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- W4226074652 date "2021-12-14" @default.
- W4226074652 modified "2023-09-26" @default.
- W4226074652 title "How to Learn and Represent Abstractions: An Investigation using Symbolic Alchemy" @default.
- W4226074652 doi "https://doi.org/10.48550/arxiv.2112.08360" @default.
- W4226074652 hasPublicationYear "2021" @default.
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