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Hanglong Lv

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#artificial intelligence Preprint Sep 2026

CodeMidas: Scaling Agentic Coding RL Environments from Code Itself

Training capable coding agents via reinforcement learning (RL) requires diverse tasks with reliable verifiers. Open-source codebases offer a rich source of such tasks, while existing methods typically rely on development artifacts such as issues and commits, limiting the range of tasks that can be extracted. To better...

Bo-Wen Ye, Lei Li, Shi-Cheng Li et al. · 0 citations
#computer vision Preprint Aug 2026

Semantic Head Specialization Guides Hybrid ViT Attention for Multimodal LLMs

This work studies ViT attention heads and finds they differentiate into object- and background-specialist roles, a pattern most pronounced under full attention, and proposes SHS-Index to quantify this specialization, showing that it distinguishes full-attention from chunk-window ViTs, and finds that it strongly tracks...

Chenyu He, Lei Li, Shi-Cheng Li et al. · 0 citations
#natural language process... Preprint Aug 2026

PersonaForge: Realistic Multi-Turn User Simulation for Agentic Systems

This work introduces PersonaForge, a user simulation framework for synthesizing realistic multi-turn user--agent interactions that combines a four-dimensional persona space, SOUL-driven behavioral control calibrated to real-user statistics, and Reverse Deep Construction grounded in authentic seed queries.

Hanglong Lv, Dawei Zhu, Lei Li et al. · 0 citations

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