V2EX labeling functions

Labeling Functions

释义 Definition

labeling functions 指“标注函数”:在数据标注/弱监督(weak supervision)场景中,用来根据规则、启发式特征或外部知识自动为数据样本生成标签(可能带噪声)的一组函数/规则。常见于用多条不完美规则合成训练数据的流程中。(也可泛指“用于标注的函数”,语境依领域而定。)

发音 Pronunciation (IPA)

/lebl fknz/

例句 Examples

We wrote a few labeling functions to tag the emails as spam or not spam.
我们写了几个标注函数,把邮件标成垃圾邮件或非垃圾邮件。

In weak supervision, labeling functions can disagree with each other, so we aggregate their outputs to produce a more reliable training label.
在弱监督中,不同标注函数可能彼此矛盾,因此我们会聚合它们的输出,以生成更可靠的训练标签。

词源 Etymology

labeling 来自 label(标签、贴签)加动名词后缀 -ing,表示“标注的动作/过程”;function 源自拉丁语 functio(履行、执行),在现代英语中常指“功能”或(数学/编程中的)“函数”。合在一起,labeling functions 直译为“执行标注的函数/规则”,在机器学习语境下特指用规则自动产出标签的函数集合。

相关词 Related Words

文献与作品 Notable Works

  • Snorkel: Rapid Training Data Creation with Weak Supervision(Ratner 等,2017)
  • Data Programming: Creating Large Training Sets, Quickly(Ratner 等,相关论文与技术报告中频繁使用该术语)
  • Weak Supervision: The New Programming Paradigm for Machine Learning(相关综述/讲义与论文中常见)
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