Author

Viet T. Nguyen

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#machine learning Preprint Oct 2026

Revisiting Simple Baselines for Relational Deep Learning

Relational deep learning has emerged as a powerful paradigm for learning end-to-end predictive models over relational databases by representing them as temporal heterogeneous graphs. Recent advances based on graph neural networks and Transformers have achieved strong performance across diverse domains. However, the eff...

Viet T. Nguyen, Vijay Prakash Dwivedi, Gunther Gust · 0 citations

#machine learning Preprint Sep 2026

PolyStepOR: Learning to Decide Without Optimal Decisions

This work presents PolyStepOR, which trains directly from realized decision costs without pre-computed optima and extends to in-constraint predictions through repair or infeasibility penalties, and replaces optimal reference decisions and derivatives with forward evaluations.

Viet T. Nguyen, Gunther Gust, A. T. Le · 0 citations