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Luis A. Ortega

Autonomous University of Madrid

13 papers hereh-index 5113 citations12 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author1
  • first author7
  • middle author4
  • last author1

Across the 13 of 13 papers where every author was matched, so the position is known.

fields
  • cs.LG8
  • stat.ML5
affiliations
  • Autonomous University of Madrid
Homepage

identity via Semantic Scholar / OpenAlex

activity
20212026
most citedDiversity and Generalization in Neural Network Ensembles

4 citations · 7 across the 11 of their papers we have counts for

collaborators
Showing 2023Show all

3 papers · 1 filter

stat.ML2023

If there is no underfitting, there is no Cold Posterior Effect

Yijie Zhang, Yi-Shan Wu, Luis A. Ortega +1

The cold posterior effect (CPE) (Wenzel et al., 2020) in Bayesian deep learning shows that, for posteriors with a temperature T<1, the resulting posterior predictive could have b…

cs.LG2023★ 2 cited

PAC-Chernoff Bounds: Understanding Generalization in the Interpolation Regime

Andrés R. Masegosa, Luis A. Ortega

This paper introduces a distribution-dependent PAC-Chernoff bound that exhibits perfect tightness for interpolators, even within over-parameterized model classes. This bound, which…

stat.ML2023

Variational Linearized Laplace Approximation for Bayesian Deep Learning

Luis A. Ortega, Simón Rodríguez Santana, Daniel Hernández-Lobato

The Linearized Laplace Approximation (LLA) has been recently used to perform uncertainty estimation on the predictions of pre-trained deep neural networks (DNNs). However, its wide…

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