Search Results for author: Oana-Iuliana Popescu

Found 5 papers, 2 papers with code

Non-parametric Conditional Independence Testing for Mixed Continuous-Categorical Variables: A Novel Method and Numerical Evaluation

no code implementations17 Oct 2023 Oana-Iuliana Popescu, Andreas Gerhardus, Jakob Runge

One approach computes distances by a one-hot encoding of the categorical variables, essentially treating categorical variables as discrete-numerical, while the other expresses CMI by entropy terms where the categorical variables appear as conditions only.

Causal Discovery Variable Selection

Automated multilingual detection of Pro-Kremlin propaganda in newspapers and Telegram posts

1 code implementation25 Jan 2023 Veronika Solopova, Oana-Iuliana Popescu, Christoph Benzmüller, Tim Landgraf

The full-scale conflict between the Russian Federation and Ukraine generated an unprecedented amount of news articles and social media data reflecting opposing ideologies and narratives.

Misinformation

Counterfactual Generation with Knockoffs

no code implementations1 Feb 2021 Oana-Iuliana Popescu, Maha Shadaydeh, Joachim Denzler

Heuristic methods result in false-positive artifacts because the image after the perturbation is far from the original data distribution.

counterfactual Variable Selection

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