Papers › Augment to Interpret: Unsupervised and Inherently Interpretable Graph Embeddings

Augment to Interpret: Unsupervised and Inherently Interpretable Graph Embeddings

28 Sep 2023arXiv:2309.16564archive 2025-07-28

Gregory Scafarto, Madalina Ciortan, Simon Tihon, Quentin Ferre

Unsupervised learning allows us to leverage unlabelled data, which has become abundantly available, and to create embeddings that are usable on a variety of downstream tasks. However, the typical lack of interpretability of unsupervised representation learning has become a limiting factor with regard to recent transparent-AI regulations. In this paper, we study graph representation learning and we show that data augmentation that preserves semantics can be learned and used to produce interpretations. Our framework, which we named INGENIOUS, creates inherently interpretable embeddings and eliminates the need for costly additional post-hoc analysis. We also introduce additional metrics addressing the lack of formalism and metrics in the understudied area of unsupervised-representation learning interpretability. Our results are supported by an experimental study applied to both graph-level and node-level tasks and show that interpretable embeddings provide state-of-the-art performance on subsequent downstream tasks.

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Data AugmentationGraph Representation LearningRepresentation Learning

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