Tifrea, Alexandru

10 publications

AISTATS 2025 Learning Pareto Manifolds in High Dimensions: How Can Regularization Help? Tobias Wegel, Filip Kovačević, Alexandru Tifrea, Fanny Yang

ICML 2024 FRAPPÉ: A Group Fairness Framework for Post-Processing Everything Alexandru Tifrea, Preethi Lahoti, Ben Packer, Yoni Halpern, Ahmad Beirami, Flavien Prost

NeurIPS 2023 Can Semi-Supervised Learning Use All the Data Effectively? a Lower Bound Perspective Alexandru Tifrea, Gizem Yüce, Amartya Sanyal, Fanny Yang

NeurIPSW 2023 Improving Class and Group Imbalanced Classification with Uncertainty-Based Active Learning Alexandru Tifrea, John Hill, Fanny Yang

ICML 2023 Margin-Based Sampling in High Dimensions: When Being Active Is Less Efficient than Staying Passive Alexandru Tifrea, Jacob Clarysse, Fanny Yang

UAI 2022 Semi-Supervised Novelty Detection Using Ensembles with Regularized Disagreement Alexandru Tifrea, Eric Stavarache, Fanny Yang

NeurIPSW 2021 Boosting Worst-Group Accuracy Without Group Annotations Vincent Bardenhagen, Alexandru Tifrea, Fanny Yang

NeurIPS 2021 Interpolation Can Hurt Robust Generalization Even When There Is No Noise Konstantin Donhauser, Alexandru Tifrea, Michael Aerni, Reinhard Heckel, Fanny Yang

ICMLW 2021 Maximizing the Robust Margin Provably Overfits on Noiseless Data Konstantin Donhauser, Alexandru Tifrea, Michael Aerni, Reinhard Heckel, Fanny Yang

ICLR 2019 Poincare Glove: Hyperbolic Word Embeddings Alexandru Tifrea, Gary Becigneul, Octavian-Eugen Ganea