3 papers
cs.LG2025
Spectral Neural Graph Sparsification
Angelica Liguori, Ettore Ritacco, Pietro Sabatino +1
Graphs are central to modeling complex systems in domains such as social networks, molecular chemistry, and neuroscience. While Graph Neural Networks, particularly Graph Convolutio…
cs.LG2025
Combining Euclidean and Hyperbolic Representations for Node-level Anomaly Detection
Simone Mungari, Ettore Ritacco, Pietro Sabatino
Node-level anomaly detection (NAD) is challenging due to diverse structural patterns and feature distributions. As such, NAD is a critical task with several applications which rang…
cs.IR2025
Flexible Generation of Preference Data for Recommendation Analysis
Simone Mungari, Erica Coppolillo, Ettore Ritacco +1
Simulating a recommendation system in a controlled environment, to identify specific behaviors and user preferences, requires highly flexible synthetic data generation models capab…