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Xue-Qi Cheng

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#artificial intelligence Preprint Oct 2026

Doc2Harness: Benchmarking LLMs on Long-Horizon Harness Engineering of Coding Agents

Agents driven by large language models are increasingly deployed on long-horizon tasks, where they use tools and modify real workspaces. How well they perform depends as much on the harness around the model as on the model itself. Existing benchmarks measure downstream task success under a fixed harness, leaving harnes...

Yuyao Ge, Sheng-Hua Liu, Pei-Zhong Gao et al. · 0 citations
Aug 2026

PopCD: Test-Time Behavior Enhancement via Polarity-Prompt Contrastive Decoding.

This work introduces Polarity-Prompt Contrastive Decoding (PopCD), a test-time behavior control method that generalizes contrastive decoding to broader enhancement settings and is applicable to both LLMs and Vision-Language Models without additional training.

Bao-Long Bi, Yuyao Ge, Sheng-Hua Liu et al. · 0 citations

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