V2EX shared representation

Shared Representation

释义 Definition

共享表征 / 共享表示:指在多个任务、模态(如文本与图像)、语言或数据来源之间共同使用的一套内部表示(特征/向量空间),使不同输入能在同一表示空间中对齐、比较或迁移学习。常见于机器学习、认知科学与语言学语境。(在更宽泛语境中也可指“共同的理解/共同的表达方式”。)

发音 Pronunciation (IPA)

/rd rprznten/

例句 Examples

A shared representation helps the model transfer knowledge from one task to another.
共享表征能帮助模型把从一个任务学到的知识迁移到另一个任务。

By learning a shared representation of images and captions, the system can retrieve relevant pictures from text queries with high accuracy.
通过学习图像与文字说明的共享表征,系统可以根据文本查询高准确率地检索相关图片。

词源 Etymology

shared 来自动词 share(“分享、共用”),源自古英语 scearu(“份额、分配”)相关词族;representation 来自拉丁语 repraesentare(“使……呈现、再现”),经法语进入英语。合起来强调“被多个对象/任务共用的表示”。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Deep Learning(Ian Goodfellow, Yoshua Bengio, Aaron Courville)讨论表示学习与共享特征在多任务/多模态中的作用。
  • Pattern Recognition and Machine Learning(Christopher M. Bishop)在模型与特征表示框架中涉及共享/联合表示思想。
  • Bengio, Courville & Vincent (2013), “Representation Learning: A Review and New Perspectives”综述表示学习,常使用“shared representation”相关表述。
  • Hinton 等关于 distributed representations 的经典研究与“共享表征”在思想上紧密相关,常用于解释跨任务可迁移的内部表示。
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