Search Results for author: Benjamin P. Chamberlain

Found 4 papers, 3 papers with code

Understanding convolution on graphs via energies

2 code implementations22 Jun 2022 Francesco Di Giovanni, James Rowbottom, Benjamin P. Chamberlain, Thomas Markovich, Michael M. Bronstein

We do so by showing that linear graph convolutions with symmetric weights minimize a multi-particle energy that generalizes the Dirichlet energy; in this setting, the weight matrices induce edge-wise attraction (repulsion) through their positive (negative) eigenvalues, thereby controlling whether the features are being smoothed or sharpened.

Inductive Bias Node Classification

Graph-Coupled Oscillator Networks

1 code implementation4 Feb 2022 T. Konstantin Rusch, Benjamin P. Chamberlain, James Rowbottom, Siddhartha Mishra, Michael M. Bronstein

This demonstrates that the proposed framework mitigates the oversmoothing problem.

Tuning Word2vec for Large Scale Recommendation Systems

no code implementations24 Sep 2020 Benjamin P. Chamberlain, Emanuele Rossi, Dan Shiebler, Suvash Sedhain, Michael M. Bronstein

We show that applying constrained hy-perparameter optimization using only a 10% sample of the data still yields a 91%average improvement in hit rate over the default parameters when applied to thefull datasets.

Hyperparameter Optimization Recommendation Systems

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