Corpus ID: 211010897

Interpreting a Penalty as the Influence of a Bayesian Prior

@article{Wolinski2020InterpretingAP,
  title={Interpreting a Penalty as the Influence of a Bayesian Prior},
  author={Pierre Wolinski and G. Charpiat and Y. Ollivier},
  journal={ArXiv},
  year={2020},
  volume={abs/2002.00178}
}

• Pierre Wolinski, G. Charpiat, Y. Ollivier
• Published 2020
• Computer Science, Mathematics
• ArXiv

In machine learning, it is common to optimize the parameters of a probabilistic model, modulated by a somewhat ad hoc regularization term that penalizes some values of the parameters. Regularization terms appear naturally in Variational Inference (VI), a tractable way to approximate Bayesian posteriors: the loss to optimize contains a Kullback--Leibler divergence term between the approximate posterior and a Bayesian prior. We fully characterize which regularizers can arise this way, and provide… Expand

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