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Zouying Cao

3 accepted papers

2025

PGPO: Enhancing Agent Reasoning via Pseudocode-style Planning Guided Preference Optimization

ACL 2025finding

Large Language Model (LLM) agents have demonstrated impressive capabilities in handling complex interactive problems. Existing LLM agents mainly generate natural language plans to guide reasoning, which is verbose and inefficient. NL plans are also tailored to specific tasks and restrict agents’ abi…

2025

SCANS: Mitigating the Exaggerated Safety for LLMs via Safety-Conscious Activation Steering

AAAI 2025technical

Safety alignment is indispensable for Large language models (LLMs) to defend threats from malicious instructions. However, recent researches reveal safety-aligned LLMs tend to reject benign queries due to the exaggerated safety issue, limiting their helpfulness. In this paper, we propose a Safety-Co…