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Spectral clustering in the Gaussian mixture block model
March 26, 2024, 4:49 a.m. | Shuangping Li, Tselil Schramm
stat.ML updates on arXiv.org arxiv.org
Abstract: Gaussian mixture block models are distributions over graphs that strive to model modern networks: to generate a graph from such a model, we associate each vertex $i$ with a latent feature vector $u_i \in \mathbb{R}^d$ sampled from a mixture of Gaussians, and we add edge $(i,j)$ if and only if the feature vectors are sufficiently similar, in that $\langle u_i,u_j \rangle \ge \tau$ for a pre-specified threshold $\tau$. The different components of the Gaussian mixture …
abstract arxiv block clustering cs.ds cs.si edge feature feature vector generate graph graphs math.pr math.st modern networks stat.ml stat.th type vector vertex
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