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Le-Qi Zheng

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Preprint Sep 2026

SciLENS: RL-Driven Autonomous Agents for Scientific Localized Evidence Navigation and Synthesis

Scientific literature synthesis agents increasingly rely on proprietary online services, limiting reproducibility, privacy, and offline deployment. To address this challenge, we introduce SciLENS Scientific Localized Evidence Navigation and Synthesis), a fully local autonomous agent framework operating on a dual-tier i...

Le-Qi Zheng, Jin-Bo Su, Yu-Ying Li et al. · 1 citation
#artificial intelligence Preprint Oct 2025

CapGeo-Bench: Decoupling Visual Perception from Reasoning and Evaluating Geometric Understanding

CapGeo-Bench is proposed, a benchmark of 4,641 high-quality figure-caption pairs equipped with a fine-grained keypoint-based evaluation metric that provides high-quality captions consistently and substantially boosts performance of MLLMs, empirically validating the visual perception bottleneck in geometric reasoning.

Yu-Ying Li, Si-Yi Qian, Hao Liang et al. · 5 citations
#natural language process... Preprint Sep 2026

SLATE: Are AI-Generated Slides Educationally Effective? A Benchmark for Language Teaching Quality and Learner Knowledge Acquisition

SLATE (Slide-based Learning Assessment for Teaching Effectiveness), the first benchmark that evaluates AI-generated language teaching slides through instructional effectiveness and learner knowledge acquisition, reveals a dissociation between artifact quality and instructional effectiveness.

Jing-Zhuo Wu, Jia-Jun Zhang, Liu Yi et al. · 0 citations
#artificial intelligence Preprint Sep 2026

ProcArena: A Multi-Scenario Benchmark for LLMs on Direct and Interactive PL/SQL Development from Natural Language

Large language models (LLMs) have shown strong potential for translating natural-language (NL) requirements into PL/SQL programs, attracting increasing attention from the database community. However, existing NL-to-PL/SQL efforts primarily focus on directly generating PL/SQL from complete NL requirements. In practice,...

Hang Zhang, Chao-Kun Wang, Yun Pan et al. · 0 citations
#machine learning Preprint Sep 2026

Gradients Know What Outcomes Don't: Unlocking Reinforcement Learning for LLM Reasoning with Gradient-Aligned Rewards

Gradient-Aligned Reward (GAR), which operates in the policy's own gradient space: truncated backpropagation through the output projection layer extracts a compact gradient vector for each rollout, and cosine similarity with an expert-anchor gradient yields a dense, reasoning-aware reward with less than 9% wall-clock ov...

Le-Qi Zheng, Jin-Bo Su, Fang Niu et al. · 2 citations
#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

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