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Accelerating Neural Self-Improvement via Bootstrapping (2305.01547v1)

Published 2 May 2023 in cs.LG

Abstract: Few-shot learning with sequence-processing neural networks (NNs) has recently attracted a new wave of attention in the context of LLMs. In the standard N-way K-shot learning setting, an NN is explicitly optimised to learn to classify unlabelled inputs by observing a sequence of NK labelled examples. This pressures the NN to learn a learning algorithm that achieves optimal performance, given the limited number of training examples. Here we study an auxiliary loss that encourages further acceleration of few-shot learning, by applying recently proposed bootstrapped meta-learning to NN few-shot learners: we optimise the K-shot learner to match its own performance achievable by observing more than NK examples, using only NK examples. Promising results are obtained on the standard Mini-ImageNet dataset. Our code is public.

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