2 papers
cs.LG2025
Fair PCA, One Component at a Time
Antonis Matakos, Martino Ciaperoni, Heikki Mannila
The Min-Max Fair PCA problem seeks a low-rank representation of multi-group data such that the the approximation error is as balanced as possible across groups. Existing approaches…
cs.SI2020
Finding large balanced subgraphs in signed networks
Bruno Ordozgoiti, Antonis Matakos, Aristides Gionis
Signed networks are graphs whose edges are labelled with either a positive or a negative sign, and can be used to capture nuances in interactions that are missed by their unsigned…