Preprint
Aug 2026
LLM-Guided Graph Generation for Structure-Based Local Improvement Methods
An automatic pipeline that is problem-agnostic to all problems in the MiniZinc format is built, finding that algorithm selection achieves a 39.6% average problem-weighted win rate against a one-shot Gurobi baseline, more than doubling the best single configuration (19.3%).
Hai Xia, Vaidyanathan Peruvemba Ramaswamy, Stefan Szeider
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