Author

S. Alshehri

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Preprint Jul 2026

Similarity Is Not Logic: Factored Inference for Dual-Encoder Vision-Language Models

Despite-encoder vision-language models expose a similarity interface that enables zero-shot retrieval but fails compositional constraints, this work proposes factored inference, which separates evidence extraction from constraint execution, and introduces LCSE (Logic-Constrained Score Editing), a training-free method that executes constraints externally using concept scores from frozen encoders.

S. Alshehri, Zhantao Yang, Han Zhang et al. · 0 citations