V2EX domain-invariant

Domain-invariant

Definition / 定义

domain-invariant(领域不变的;跨域不变的):指某种特征、表示、模型或规律不随“领域/场景/数据分布”的变化而明显改变,因此能在不同来源或不同环境的数据上保持较稳定的效果与一致性。常见于机器学习、迁移学习与领域自适应(domain adaptation)语境中。

Pronunciation / 发音

/dmen nvrint/

Examples / 例句

A good embedding should be domain-invariant.
一个好的向量表示(嵌入)应该具备跨领域不变性。

By enforcing domain-invariant features, the model generalizes better from lab data to real-world conditions.
通过约束学习到的特征具备领域不变性,模型就能从实验室数据更好地泛化到真实世界条件。

Etymology / 词源

domain(“领域、范围、数据域/场景”)+ invariant(“不变的”)组合而成。invariant 源自拉丁语 *in-*(否定前缀,“不”)+ variāre(“改变、变化”),整体字面义即“在不同领域中不改变”。

Related Words / 相关词

Literary Works / 文学作品

该词多见于学术与技术写作而非传统文学作品,以下为常见出现的代表性研究方向与论文标题(作为“著名作品/文本”参考):

  • Domain-Invariant Feature Learning(相关论文与综述中常见的核心术语)
  • Domain-Invariant Representation Learning(跨域表示学习方向常用表述)
  • Domain-Adversarial Training of Neural Networks(领域对抗训练相关经典论文中常讨论“domain-invariant features”)
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