A Fast Method to Predict the Labeling of a Tree

author: Sergio Rojas Galeano, Department of Computer Science, University College London
published: Jan. 28, 2008,   recorded: September 2007,   views: 3184

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Given an n vertex weighted tree with (structural) diameter SG and a set of ` vertices we give a method to compute the corresponding `×` Gram matrix of the pseudoinverse of the graph Laplacian in O(n + `2SG) time. We discuss the application of this method to predicting the labeling of a graph. Preliminary experimental results on a digit classification task are given.

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