V2EX discriminative

Discriminative

Definition / 定义

discriminative(形容词)有区分能力的;用于区分、辨别的(常见于语言学、心理学、机器学习等语境,如“判别模型”)。
也可指带有歧视性的(较少用;更常用 discriminatory 表达“歧视性的”)。

Pronunciation / 发音

/ dskrmntv /

Examples / 例句

A good test should be discriminative.
一个好的测试应当具有区分能力。

In machine learning, a discriminative model learns to separate classes by modeling the boundary between them.
在机器学习中,判别模型通过学习类别之间的边界来实现分类区分。

Etymology / 词源

来自拉丁语 discriminare(“分开、区分”),由 **dis-**(分开)+ 与“筛分/区分”相关的词根演变而来;英语中先有 discriminate(区分),再派生出形容词 discriminative(具有区分作用的)。

Related Words / 相关词

Literary Works / 文学作品

  • Noam Chomsky,《Syntactic Structures》(语言学语境中常讨论“discriminative”与相关概念)
  • Noam Chomsky,《Aspects of the Theory of Syntax》(涉及用于区分语言结构的“discriminative”讨论)
  • Trevor Hastie, Robert Tibshirani, Jerome Friedman,《The Elements of Statistical Learning》(统计学习中“discriminative methods/models”的常见用法)
  • Christopher M. Bishop,《Pattern Recognition and Machine Learning》(模式识别中“discriminative”与“generative”的对比频繁出现)
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