V2EX model extraction

Model Extraction

定义 Definition

model extraction(模型提取/模型抽取)通常指在机器学习与安全语境中,通过访问模型的输出(如预测结果、置信度、API 返回)来推断并复制目标模型的结构或参数,从而得到一个功能相近的“替代模型”(也常被称为 model stealing,模型窃取)。在更宽泛的技术语境中,也可指把“模型”从某个系统/流程中“提取出来”以便迁移、分析或部署。

例句 Examples

The attacker performed model extraction by querying the API repeatedly.
攻击者通过反复调用该 API 进行模型提取。

Model extraction can reveal a proprietary classifier’s behavior, even when the training data and parameters are hidden.
即使训练数据与参数被隐藏,模型提取仍可能揭示专有分类器的行为特征。

发音 Pronunciation

/mdl kstrkn/

词源 Etymology

model 源自拉丁语 modulus(“尺度、标准”之意),引申为“模型、范式”。extraction 来自拉丁语 extrahereex- “向外” + trahere “拉、拖”),字面义是“拉出来”,引申为“提取、抽取”。合来 model extraction 就是“把模型抽取出来/复制出来”。

相关词 Related Words

文献与作品 Literary Works

  • Stealing Machine Learning Models via Prediction APIs(Tramèr et al., 2016)
  • Practical Black-Box Attacks against Machine Learning(相关研究中常以“model extraction/stealing”讨论黑盒场景)
  • Adversarial Machine Learning(多部综述/教材与章节会专门涵盖 model extraction attacks)
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