A prediction rigidity formalism for low-cost uncertainties in trained neural networks

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<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>Bigi, Filippo</dc:creator>
  <dc:creator>Chong, Sanggyu</dc:creator>
  <dc:creator>Ceriotti, Michele</dc:creator>
  <dc:creator>Grasselli, Federico</dc:creator>
  <dc:date>2024-10-17</dc:date>
  <dc:description>Quantifying the uncertainty of regression models is essential to ensure their reliability, particularly since their application often extends beyond their training domain. Based on the solution of a constrained optimization problem, this work proposes ‘prediction rigidities’ as a formalism to obtain uncertainties of arbitrary pre-trained regressors. A clear connection between the suggested framework and Bayesian inference is established, and a last-layer approximation is developed and rigorously justified to enable the application of the method to neural networks. This extension affords cheap uncertainties without any modification to the neural network itself or its training procedure. The effectiveness of this approach is shown for a wide range of regression tasks, ranging from simple toy models to applications in chemistry and meteorology.
This record includes computational experiments supporting the MLST paper titled "A prediction rigidity formalism for low-cost uncertainties in trained neural networks".</dc:description>
  <dc:identifier>https://materialscloud-archive-failover.cineca.it/record/2024.166</dc:identifier>
  <dc:identifier>doi:10.24435/materialscloud:5r-rf</dc:identifier>
  <dc:identifier>mcid:2024.166</dc:identifier>
  <dc:identifier>oai:materialscloud.org:2399</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Materials Cloud</dc:publisher>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
  <dc:subject>machine learning</dc:subject>
  <dc:subject>MARVEL/P2</dc:subject>
  <dc:subject>uncertainty quantification</dc:subject>
  <dc:subject>neural networks</dc:subject>
  <dc:subject>Laplace approximation</dc:subject>
  <dc:subject>prediction rigidity</dc:subject>
  <dc:subject>confidence interval</dc:subject>
  <dc:subject>regressors</dc:subject>
  <dc:subject>neural tangent kernel</dc:subject>
  <dc:title>A prediction rigidity formalism for low-cost uncertainties in trained neural networks</dc:title>
  <dc:type>Dataset</dc:type>
</oai_dc:dc>