http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.149.4701

Humans and animals learn much better when the examples are not randomly presented but organized in a meaningful order which illustrates gradually more concepts, and gradually more complex ones. Here, we formalize such training strategies in the context of machine learning, and call them “curriculum learning”

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significant improvements in generalization can be achieved.

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