@article{improvedlargescalegraphlearningthroughri, title = {Improved large-scale graph learning through ridge spectral sparsification}, author = {Daniele Calandriello and Ioannis Koutis and Alessandro Lazaric and Michal Valko}, year = {2026}, eprint = {2604.20078}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2604.20078}, }