AIBearisharXiv – CS AI · 9h ago7/10
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An Embarrassingly Simple Graph Heuristic Reveals Shortcut-Solvable Benchmarks for Sequential Recommendation
Researchers demonstrate that a simple graph heuristic without machine learning matches or outperforms advanced generative recommendation systems on standard benchmarks, revealing that widely-used datasets contain structural shortcuts that don't require sophisticated modeling. The findings question whether current benchmark evaluations actually validate the advanced capabilities that modern recommendation systems claim to provide.