Search Results for author: Artur Bekasov

Found 6 papers, 3 papers with code

Learning Action Embeddings for Off-Policy Evaluation

1 code implementation6 May 2023 Matej Cief, Jacek Golebiowski, Philipp Schmidt, Ziawasch Abedjan, Artur Bekasov

Off-policy evaluation (OPE) methods allow us to compute the expected reward of a policy by using the logged data collected by a different policy.

Off-policy evaluation

Variational Boosted Soft Trees

no code implementations21 Feb 2023 Tristan Cinquin, Tammo Rukat, Philipp Schmidt, Martin Wistuba, Artur Bekasov

Variational inference is often used to implement Bayesian neural networks, but is difficult to apply to GBMs, because the decision trees used as weak learners are non-differentiable.

Decision Making Out-of-Distribution Detection +3

Ordering Dimensions with Nested Dropout Normalizing Flows

1 code implementation15 Jun 2020 Artur Bekasov, Iain Murray

Like in PCA, the leading latent dimensions define a sequence of manifolds that lie close to the data.

Neural Spline Flows

8 code implementations NeurIPS 2019 Conor Durkan, Artur Bekasov, Iain Murray, George Papamakarios

A normalizing flow models a complex probability density as an invertible transformation of a simple base density.

Density Estimation Variational Inference

Cubic-Spline Flows

no code implementations5 Jun 2019 Conor Durkan, Artur Bekasov, Iain Murray, George Papamakarios

A normalizing flow models a complex probability density as an invertible transformation of a simple density.

Density Estimation

Bayesian Adversarial Spheres: Bayesian Inference and Adversarial Examples in a Noiseless Setting

no code implementations29 Nov 2018 Artur Bekasov, Iain Murray

Modern deep neural network models suffer from adversarial examples, i. e. confidently misclassified points in the input space.

Bayesian Inference

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