V2EX zero-shot

Zero-shot

释义 Definition

“零样本”:指在没有提供任何示例(或没有见过某类任务/类别的训练数据)的情况下,模型/系统仍能完成任务或进行预测的能力。常见于机器学习与自然语言处理语境(如零样本分类、零样本翻译等)。也可写作 zero shot

发音 Pronunciation

/zro t/

例句 Examples

The model can do zero-shot translation between several languages.
这个模型可以在几种语言之间进行零样本翻译。

Despite never seeing those labels during training, the system achieved strong zero-shot performance by relying on its general language understanding.
尽管训练时从未见过那些标签,这个系统仍凭借通用语言理解取得了很强的零样本表现。

词源 Etymology

“zero-shot”由 zero(零)+ shot(一次尝试/一次机会) 构成。在机器学习里,shot常用来指“给模型看的示例数量”(如 one-shot、few-shot)。因此 zero-shot 直观表达“不给示例也能做”的设定与能力。

相关词 Related Words

文学/著作中的用例 Literary Works

  • Language Models are Few-Shot Learners(Brown 等,2020):讨论大型语言模型在 few-shot 与 zero-shot 设置下的表现。
  • A Survey of Zero-Shot Learning(Xian 等,2017):综述零样本学习的重要方法与评估。
  • Zero-Shot Learning The Good, the Bad and the Ugly(多篇同题研究线索常见):在学术文献中用来系统比较零样本学习的优缺点与挑战。
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