V2EX label propagation

Label Propagation

释义 Definition

标签传播(Label Propagation):一种常见的半监督学习图学习方法,把少量已标注样本的标签视为“种子”,在相似性图(graph)上沿着边把标签信息逐步传递给未标注样本,直到收敛,从而完成分类或群体划分(也常用于社区发现)。该术语在不同领域也可指相近的变体算法。

发音 Pronunciation (IPA)

/lebl prpen/

例句 Examples

Label propagation can classify many unlabeled points using only a few labeled examples.
标签传播可以只用少量已标注样本,就对大量未标注数据点进行分类。

In graph-based semi-supervised learning, label propagation iteratively spreads class information across edges weighted by similarity until the predictions stabilize.
在基于图的半监督学习中,标签传播会迭代地沿着由相似度加权的边扩散类别信息,直到预测结果稳定为止。

词源 Etymology

label 意为“标签/标注”,来自早期法语 labelle(小纸条、说明签);propagation 意为“传播/扩散”,来自拉丁语 propagare(繁殖、扩展)。组合起来直译为“标签的传播”,形象地表达了“从已知标注向相邻样本扩散”的算法直觉。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Zhu, X., & Ghahramani, Z. (2002). Learning from Labeled and Unlabeled Data with Label Propagation.
  • Zhou, D., Bousquet, O., Lal, T. N., Weston, J., & Schlkopf, B. (2004). Learning with Local and Global Consistency(提出与标签传播密切相关的图方法)。
  • Chapelle, O., Schlkopf, B., & Zien, A. (Eds.). (2006). Semi-Supervised Learning(书中系统讨论图式半监督方法,包括标签传播思想)。
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