collaborators

12 papers

cs.AI2026

GPO: Learning from Critical Steps to Improve LLM Reasoning

Jiahao Yu, Zelei Cheng, Xian Wu +1

Large language models (LLMs) are increasingly used in various domains, showing impressive potential on different tasks. Recently, reasoning LLMs have been proposed to improve the \…

cs.AI2026

Building Coding Agents via Entropy-Enhanced Multi-Turn Preference Optimization

Jiahao Yu, Zelei Cheng, Xian Wu +1

Software engineering presents complex, multi-step challenges for Large Language Models (LLMs), requiring reasoning over large codebases and coordinated tool use. The difficulty of…

cs.CR2026

ICON: Intent-Context Coupling for Efficient Multi-Turn Jailbreak Attack

Xingwei Lin, Wenhao Lin, Sicong Cao +4

Multi-turn jailbreak attacks have emerged as a critical threat to Large Language Models (LLMs), bypassing safety mechanisms by progressively constructing adversarial contexts from…

cs.CL2026

CSCBench: A PVC Diagnostic Benchmark for Commodity Supply Chain Reasoning

Yaxin Cui, Yuanqiang Zeng, Jiapeng Yan +8

Large Language Models (LLMs) have achieved remarkable success in general benchmarks, yet their competence in commodity supply chains (CSCs) -- a domain governed by institutional ru…

cs.CR2025

Locus: Agentic Predicate Synthesis for Directed Fuzzing

Jie Zhu, Chihao Shen, Ziyang Li +3

Directed fuzzing aims to find program inputs that lead to specified target program states. It has broad applications, such as debugging system crashes, confirming reported bugs, an…

cs.CR2025

BlockScan: Detecting Anomalies in Blockchain Transactions

Jiahao Yu, Xian Wu, Hao Liu +2

We propose BlockScan, a customized Transformer for anomaly detection in blockchain transactions. Unlike existing methods that rely on rule-based systems or directly apply off-the-s…