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Author

Marios Savvides

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#artificial intelligence Preprint May 2026

PACE: Policy-Native Adaptive Decision Timing for Long-Horizon Reasoning

This work proposes PACE, a model-native VLM policy that jointly predicts what to execute and for how long under a hard decision budget, and evaluates PACE on four long-horizon environments spanning fully and partially observable settings and visual and textual modalities.

Chen Li, Zhan-Tao Yang, Fangyi Chen et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Agentic Multi-Turn Reasoning: A Fairness Approach

Fair Multi-Level Preference Optimization (Fair-MPO or $\Phi$-MPO), a new preference optimization framework for agentic learning, is proposed and a Fair Multi-Level Objective that addresses imbalance in agentic learning is introduced.

Thanh-Dat Truong, Sankalp Pandey, Hugh Churchill et al. · 0 citations
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 t...

S. Alshehri, Zhan-Tao Yang, Han Zhang et al. · 0 citations

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