Li Ma
2 papers · Latest:
Information Retrieval
An Embarrassingly Simple Graph Heuristic Reveals Shortcut-Solvable Benchmarks for Sequential Recommendation
A simple graph heuristic reveals many sequential recommendation benchmarks are "shortcut-solvable," outperforming complex generative models.
2605.07125
RoboticsSIM1: Physics-Aligned Simulator as Zero-Shot Data Scaler in Deformable Worlds
SIM1 is a physics-aligned simulator that scales data for deformable object manipulation, achieving real-world performance with synthetic training.
2604.08544
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