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Xiao-Dong Gu

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Reward-Decomposed Reinforcement Learning for Immersive Video Role-Playing

EBM-RL (Eye--Brain--Mouth Reinforcement Learning), a decoupled GRPO-based framework that separates observation (), reasoning (), and utterance generation, mimics the human See-Think-Speak process, enabling the model to ground dialogue in visual perception before reasoning and response generation.

Miaosen Wang, Yu-Ling Shi, Yijiang Li et al. · 0 citations
Preprint Aug 2026

DeepRepoQA: Code Repository Question Answering with Deep Agent Exploration

DeepRepoQA is proposed, a novel question answering (QA) framework for repository-level code understanding that builds on an agentic framework where LLM agents find answers through a systematic tree search over the repository structure.

Wei Peng, Yu-Ling Shi, Yingwei Ma et al. · 0 citations
Jul 2026

Know Before Fix: QA-Driven Repository Knowledge Acquisition for Software Issue Resolution

LLM-based coding agents have significantly advanced automated software issue resolution, yet they remain highly prone to factual errors caused by insufficient repository understanding. Recent methods attempt to mitigate this limitation through pre-repair repository exploration; however, their fix-driven strategies expl...

Hao-Tian Lin, Si-Lin Chen, Xiao-Dong Gu et al. · 2 citations
Preprint Aug 2026

SRPO: Self-Reflective Policy Optimization for Long-Horizon Reasoning

Self-Reflective Policy Optimization (SRPO) enables LLMs to analyze their own completed trajectories, synthesize errors into concise"reflection patches," and use reflection-conditioned teacher scores on student on-policy rollouts as dense token-level training signals.

Jialong Liu, Yu-Ling Shi, Ning Yang et al. · 2 citations
#software testing Preprint Aug 2026

Repo0: Design-Driven Zero-to-All Code Generation

Repo0 is presented, a continuous structural evolution framework for zero-to-all code generation that maintains an explicit architectural state instantiated as a Dual-Directed-Acyclic-Graph (Dual-DAG), consisting of a requirement-level DAG, a component-level DAG, and their alignment relation.

Si-Lin Chen, Haoyi Teng, Xiao-Dong Gu et al. · 4 citations

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