V2EX meta-learning

Meta-learning

定义 Definition

元学习:指“学习如何学习”的方法,让模型利用以往任务的经验,能够在遇到新任务时用更少的数据、更少的训练步骤更快适应并取得较好表现(常见于机器学习/深度学习领域)。也常译为“学习的学习”。(在不同语境下也可泛指反思与改进学习策略的过程。)

发音 Pronunciation (IPA)

/mt ln/

例句 Examples

Meta-learning helps a model adapt to new tasks quickly.
元学习帮助模型快速适应新任务。

By using meta-learning, the system leverages experience from many related tasks to learn a good initialization, so it can fine-tune effectively with only a few examples.
通过元学习,系统从许多相关任务的经验中学习到一个良好的初始化,因此只需少量样本也能有效微调。

词源 Etymology

meta- 来自希腊语词根,常表示“更高层次的、关于……本身的”(如 metacognition “元认知”);learning 源自古英语 leornian(学习)。合起来 meta-learning 字面义就是“关于学习的学习”,强调在多个任务/环境之上提炼可迁移的学习策略或参数。

相关词 Related Words

文学与作品 Works & Citations

  • **Finn, Abbeel & Levine (2017)**:Model-Agnostic Meta-Learning for Fast Adaptation of Deep Networks(提出并推广 MAML 框架,广泛使用“meta-learning”一词)。
  • **Thrun & Pratt (1998)**(编):Learning to Learn(早期系统讨论“learning to learn/元学习”思想的重要文集)。
  • **Hochreiter et al. (2001)**:Learning to Learn Using Gradient Descent(将“学习如何学习”与梯度方法联系起来的经典研究之一)。
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