Author

Lei Wei

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#natural language process... Preprint Aug 2026

JPO: Juris Policy Optimization for Structured Legal Reasoning in Criminal Judgment Prediction

Juris Policy Optimization (JPO), a post-training framework for structured legal reasoning in Chinese criminal judgment prediction, is proposed and experiments show that JPO consistently improves both judgment prediction and reasoning quality over supervised fine-tuning and reinforcement learning baselines.

Zhao-Lu Kang, Yan-Tao Liu, Tailong Luo et al. · 1 citation

Preprint Aug 2026

COMET: Contrastive Motion-Enhanced Temporal Reasoning for Video Multimodal Large Language Models

COMET is a temporally grounded framework that systematically strengthens video MLLMs through explicit temporal representation, appearance-motion fusion, and direction-aware optimization and achieves consistent overall improvements with a pronounced motion-temporal bias.

Chenghua Zhu, Zhaolu Kang, Qifan Shi et al. · 0 citations