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Jiacheng Zhang

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#artificial intelligence Preprint Sep 2026

Partition Scores Are Not System Scores: Deployment-Fidelity Gaps in Decomposed Algorithm Selection

Oracle-style quantities, including virtual best solvers, selected-portfolio VBS, virtual-best encodings, and best-in-family summaries, are widely reported as upper bounds on what a deployable selector could achieve. In decomposed algorithm selection, an analogous partition-level score grants an oracle choice of the bes...

Jiacheng Zhang, Yu Tang, Li Zhu · 0 citations

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