2 papers
cs.LG2026
Fairness in Link Prediction Beyond Demographic Parity: A Reproducibility Study
Valentijn Oldenburg, Floris de Kam, Stef de Wildt +1
In fair ranked link prediction, demographic parity () is a common fairness metric. Yet, Mattos et al. (2025) argue that it fails to detect exposure bias because it i…
cs.LG2026
Manifold-Constrained Hyper-Connections for Parameter-Efficient Finetuning
Valentijn Oldenburg, Floris de Kam, Bente Zuijdam +5
Finetuning methods for foundation models usually change weights, prompts, or hidden states, while leaving the residual topology fixed. We ask whether residual topology itself can b…