Author

Sebastiano Vascon

Ca' Foscari University of Venice

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Preprint Sep 2026

Hypergraph-Regularized Gramian Volumes for Multimodal Retrieval

This work introduces Hypergraph-Regularized Gramian Volumes (HyVol), a training-time module that incorporates semantic relations prior to evaluating the original volume loss of Gram, and removes the hypergraph after training, leaving the backbone-only architecture, original scoring function, and retrieval cost unchange...

Anindya Nag, Ambuj Mehrish, Sebastiano Vascon · 0 citations

Preprint Aug 2026

CoRE: Consensus Rewards via Equilibrium for Test-Time Reinforcement Learning

Treating the roll-out group as a graph rather than a ballot box turns a brittle vote into a calibrated, graded, self-supervised reward at no extra roll-out cost.

Ambuj Mehrish, Sebastiano Vascon · 0 citations