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Weiwen Liu

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#artificial intelligence Preprint Sep 2026

CodeSkill: Latent Skill Abstraction for Long-Horizon Code Agents

Code agents require long-horizon decision-making over complex interaction trajectories. However, existing reinforcement learning (RL) approaches typically optimize behavior at the token level, creating a mismatch between low-level generation and high-level behavioral reasoning. This limitation leads to inefficient expl...

Song-Li Wu, Jing-Yi Wang, Zhao-Cheng Du et al. · 0 citations
#artificial intelligence Preprint Sep 2026

MCPGen: Benchmarking LLMs on Executable MCPWorkflow Development

MCPGen is introduced, an executable benchmark for Model Context Protocol (MCP) workflow development that evaluates three diagnostic tasks: workflow reconstruction, tool creation, and backward-compatible workflow extension and evaluates 11 representative LLMs in a single-turn foundation-model setting.

Yingxuan Yang, Jia-Qi Liu, Li-Rui Guan et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Retrieval-Driven Memory Reconsolidation for Long-Term LLM Agents

Long-term memory is essential for LLM-based agents operating over extended interactions. Existing memory systems primarily update memory when new information arrives, treating retrieval as the endpoint of memory access rather than a driver of memory evolution. Consequently, retrieval feedback is rarely exploited to reo...

Yuan-Yi Song, Yukai Wang, Xinbei Ma et al. · 0 citations

From Final Artifacts to Trajectories: Retrospective Process Supervision for Evidence-Grounded Long-Form Generation

The key observation is that although expert trajectories are scarce, high-quality final artifacts such as literature reviews, analyst reports and legal judgments, are abundant in pre-training data and can be viewed as compressed traces of the evidence-seeking processes that produced them.

Junjie Huang, Jiarui Qin, Di Yin et al. · 0 citations
Preprint Aug 2026

SAGE: Self-Evolving Storyboard Skills via Attribution-Guided Rule Evolution

This work presents SAGE (Skill with Attribution-Guided Evolution), a deployed framework that learns, attributes, evolves, and routes directing knowledge from expert demonstrations, and releases PROSE, the first public dataset pairing screenplays with storyboards by professional directors across 68 episodes.

Mao-Lin Ran, Xiaoyan Lu, Jiaqi Liu et al. · 0 citations
Preprint Aug 2026

Harness-R1: Learning to Edit Executable Runtime Harnesses from Agent Failure Trajectories

This work introduces Harness-R1, the first method, to the authors' knowledge, that makes failure-conditioned, lifecycle-wide editing of an existing executable runtime a learned capability, and post-trains a dedicated harness engineer with online reinforcement learning so that its edits are optimized for the realized ta...

Shuai Shao, Kangning Zhang, Qingyao Li et al. · 10 citations · ⚡2
#small language model Preprint Aug 2026

SEAM: Shot Entity-Attribute Memory for Consistent Short-Drama Generation at Scale

A training-free, model-agnostic memory graph that repairs continuity entirely at the prompt-text layer by extracting a multi-dimensional state for every shot, retrieving only causally prior context over the resulting graph, filtering it selectively, and injecting the surviving constraints by natural-language prompt rew...

Jiaqi Liu, Maolin Ran, Xiaoyan Lu et al. · 0 citations

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