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Meta-sgd: Learning to learn quickly for few-shot learning.arXiv preprint arXiv:1707.09835

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abstract

Few-shot learning is challenging for learning algorithms that learn each task in isolation and from scratch. In contrast, meta-learning learns from many related tasks a meta-learner that can learn a new task more accurately and faster with fewer examples, where the choice of meta-learners is crucial. In this paper, we develop Meta-SGD, an SGD-like, easily trainable meta-learner that can initialize and adapt any differentiable learner in just one step, on both supervised learning and reinforcement learning. Compared to the popular meta-learner LSTM, Meta-SGD is conceptually simpler, easier to implement, and can be learned more efficiently. Compared to the latest meta-learner MAML, Meta-SGD has a much higher capacity by learning to learn not just the learner initialization, but also the learner update direction and learning rate, all in a single meta-learning process. Meta-SGD shows highly competitive performance for few-shot learning on regression, classification, and reinforcement learning.

years

2026 4

verdicts

UNVERDICTED 4

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Cost-Effective Model Evaluation with Meta-Learning

cs.LG · 2026-05-22 · unverdicted · novelty 6.0

MetaEvaluator applies meta-learning over reference models to deliver label-free performance estimates for unseen models across architectures and modalities on unlabeled datasets.

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