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Joseph Lilien

AWS AI Labs

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#machine learning Preprint Sep 2026

Beyond Solver Verdicts: Generative Reward Models for Autoformalization

Generative Verification (GenV) is introduced, which distills an offline Z3-equivalence oracle into a reference-free, continuous reference-equivalence score by repurposing the language model's native vocabulary space and theoretically proves that structural, verdict-only verification heuristics are mathematically bounde...

Vikash Singh, Debargha Ganguly, Aman Goel et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Stratified Consistency Distillation for Natural Language Formalization

A fine-tuning-based Stratified Consistency Distillation approach that shows significant and consistent improvements in both Pass@K and the novel Equivalent Logical Similarity metrics, demonstrating the potential of advancing logical translation through consistency distillation.

Zhi-Chao Hou, Ferhat Erata, Joseph Lilien et al. · 2 citations

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