most citedSTShield: Single-Token Sentinel for Real-Time Jailbreak Detection in Large Language Models

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cs.SE2026

CAM: A Causality-based Analysis Framework for Multi-Agent Code Generation Systems

Zongyi Lyu, Zhenlan Ji, Songqiang Chen +4

Despite the remarkable success that Multi-Agent Code Generation Systems (MACGS) have achieved, the inherent complexity of multi-agent architectures produces substantial volumes of…

cs.SE2025

Understanding and Bridging the Planner-Coder Gap: A Systematic Study on the Robustness of Multi-Agent Systems for Code Generation

Zongyi Lyu, Songqiang Chen, Zhenlan Ji +5

Multi-agent systems (MASs) have emerged as a promising paradigm for automated code generation, demonstrating impressive performance on established benchmarks. Despite their prosper…

cs.SE2025

Digging Into the Internal: Causality-Based Analysis of LLM Function Calling

Zhenlan Ji, Daoyuan Wu, Wenxuan Wang +3

Function calling (FC) has emerged as a powerful technique for facilitating large language models (LLMs) to interact with external systems and perform structured tasks. However, the…

cs.SE2025

Evaluating LLMs on Sequential API Call Through Automated Test Generation

Yuheng Huang, Jiayang Song, Da Song +4

By integrating tools from external APIs, Large Language Models (LLMs) have expanded their promising capabilities in a diverse spectrum of complex real-world tasks. However, testing…

cs.SE20234 cited

Benchmarking and Explaining Large Language Model-based Code Generation: A Causality-Centric Approach

Zhenlan Ji, Pingchuan Ma, Zongjie Li +1

While code generation has been widely used in various software development scenarios, the quality of the generated code is not guaranteed. This has been a particular concern in the…

cs.SE2023

Enabling Runtime Verification of Causal Discovery Algorithms with Automated Conditional Independence Reasoning (Extended Version)

Pingchuan Ma, Zhenlan Ji, Peisen Yao +2

Causal discovery is a powerful technique for identifying causal relationships among variables in data. It has been widely used in various applications in software engineering. Caus…