Publications

S. Bessa, P.-E. Mazare, G. Szilvasy, H. Touvron, D. Picard, M. Douze, H. Jégou

e-means: Outperforming k-means (in One-Tenth the Epochs)

ICLR 2027 (submission)

e-means is a modern optimization rule for k-means, built around mini-batches with an exponential moving average rule.

S. Bessa, P. Fernandez, G. Szilvasy, M. Douze, H. Jégou

Cluster with Auctions for Vector Search

NeurIPS 2026

CwA alternates training the neural probing function and solving the auction assignment

S. Bessa, D. Dabert, M. Bourgeat, Q. Cappart, L. Rousseau

Learning Valid Dual Bounds in Constraint Programming: Boosted Lagrangian Decomposition with Self-Supervised Learning

AAAI 2025

Learning Lagrangian multipliers from a graph representation of the constraint program via self-supervised learning

Google Scholar