On the Ambiguity in ClassificationDownload PDF

Published: 07 Nov 2022, Last Modified: 05 May 2023NeurReps 2022 PosterReaders: Everyone
Keywords: Geometric Deep Learning, Noncommutative Geometry, Unsupervised Learning, Learning Tasks, Classification Problem, Ambiguous Data
TL;DR: We develop a theoretical framework for geometric deep learning that incorporates ambiguous data in learning tasks in terms of (noncommutative) geometry.
Abstract: We develop a theoretical framework for geometric deep learning that incorporates ambiguous data in learning tasks. This framework uncovers deep connections between noncommutative geometry and learning tasks. Namely, it turns out that learning tasks naturally arise from groupoids, and vice versa. We also find that learning tasks are closely linked to the geometry of its groupoid $*$-algebras. This point of view allows us to answer the question of what actually constitutes a classification problem and link unsupervised learning tasks to random walks on the second groupoid cohomology of its groupoid.
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