MANTRA: The Manifold Triangulations Assemblage
Keywords: simplicial complex, topological deep learning, high-order, high-order dataset, simplicial complex learning
TL;DR: We introduce MANTRA, the first large-scale, diverse, and intrinsically high-order dataset for testing graph and topological models.
Abstract: The rising interest in leveraging higher-order interactions present in complex systems has led to a surge in more expressive models exploiting high-order structures in the data, especially in topological deep learning (TDL), which designs neural networks on high-order domains such as simplicial complexes. However, progress in this field is hindered by the scarcity of datasets for benchmarking these architectures. To address this gap, we introduce MANTRA, the first large-scale, diverse, and intrinsically high-order dataset for benchmarking high-order models, comprising over 43,000 and 250,000 triangulations of surfaces and three-dimensional manifolds, respectively. With MANTRA, we assess several graph- and simplicial complex-based models on three topological classification tasks. We demonstrate that while simplicial complex-based neural networks generally outperform their graph-based counterparts in capturing simple topological invariants, they also struggle, suggesting a rethink of TDL. Thus, MANTRA serves as a benchmark for assessing and advancing topological
methods, leading the way for more effective high-order models.
Primary Area: datasets and benchmarks
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Submission Number: 10845
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