用形式概念格构建语义层级,让模型学习更有层次的抽象概念。
Formal Concept Lattices are Good Semantic Scaffolds for Concept-Based Learning

- 基于形式概念分析构建语义层级骨架,指导网络分层学习概念。
- 在真实数据集上实现可解释性更强、结构更合理的概念表征。
- 适合关注模型可解释性与人类认知对齐的研究者。
理解语义对于深度学习模型的可解释性及与人类推理对齐至关重要。概念基础模型通过有意义的语义抽象来表示类别,但通常将所有概念视为单一神经网络层中扁平无序的集合,忽略了人类语义理解中从一般到具体的层次结构特征。尽管深层网络会学习视觉特征的层次结构,但这种结构很少与明确的语义层级一致。本文借鉴形式概念分析,证明形式概念格能为神经网络学习提供原则性的语义支架。这些格子自然地确定了概念应在网络中的哪一层被学习,依据其普遍性程度。这使得模型能在其深度中逐步建立阶段性的、语义基础的表征。在真实世界数据集上的实证结果表明,该方法产生的嵌入更具可解释性,支持更有效的干预措施,并学习到既具意义又具有层次结构的概念表示。
原文摘要 · Abstract (English)
Learning semantics is essential for deep learning models to be interpretable and better aligned with human reasoning. Concept-based models approach this by representing classes through meaningful semantic abstractions, but typically treat all concepts as a flat, unstructured set learned at a single neural network layer. This overlooks a fundamental property of human semantic understanding: concepts being organized hierarchically, from general to specific. While deep networks do learn a hierarchy of visual features, this structure is rarely aligned with explicit semantic hierarchies. Drawing on Formal Concept Analysis, we demonstrate that formal concept lattices provide principled semantic scaffolds to guide neural network learning. These lattices naturally identify where in the network concepts should be learned based on their level of generality. This allows the model to develop staged, semantically grounded representations throughout its depth. Empirical results on real-world datasets show that our models produce more interpretable embeddings, support more effective interventions, and learn concept representations that are both meaningful and hierarchically structured.
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