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Sparse Orthogonal Variational Inference for Gaussian Processes
Feb. 27, 2024, 5:44 a.m. | Jiaxin Shi, Michalis K. Titsias, Andriy Mnih
cs.LG updates on arXiv.org arxiv.org
Abstract: We introduce a new interpretation of sparse variational approximations for Gaussian processes using inducing points, which can lead to more scalable algorithms than previous methods. It is based on decomposing a Gaussian process as a sum of two independent processes: one spanned by a finite basis of inducing points and the other capturing the remaining variation. We show that this formulation recovers existing approximations and at the same time allows to obtain tighter lower bounds …
abstract algorithms arxiv cs.lg gaussian processes independent inference interpretation process processes scalable stat.ml type
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