activity
20242026
most citedAccuracy Can Lie: On the Impact of Surrogate Model in Configuration Tuning

15 citations · 15 across the 9 of their papers we have counts for

collaborators

10 papers

cs.SE2026

COMPAS: Difficulty-Aware Joint Search for Optimizing Code Generation

Jingzhi Gong, Jie M. Zhang, Gunel Jahangirova +3

Code generation systems make each LLM call with a model, a prompt, and decoding settings. However, existing optimization methods usually tune only part of these choices or use one…

cs.SE2026

An Empirical Study of Downstream Adaptation for Agent Skills

Xinjian Wu, Jingzhi Gong, Gunel Jahangirova +2

As Large Language Model (LLM) agents become integral to modern software systems, ``skills'' have emerged as a novel unit of software reuse, enabling developers to package workflows…

cs.SE2026

How Does Chunking Affect Retrieval-Augmented Code Completion? A Controlled Empirical Study

Xinjian Wu, Jingzhi Gong, Gunel Jahangirova +1

Retrieval-augmented generation (RAG) pipelines for code completion rely on chunking to segment source files into retrievable units, yet chunking strategies are typically adopted wi…

cs.SE2025

Dually Hierarchical Drift Adaptation for Online Configuration Performance Learning

Zezhen Xiang, Jingzhi Gong, Tao Chen

Modern configurable software systems need to learn models that correlate configuration and performance. However, when the system operates in dynamic environments, the workload vari…

cs.SE2025

Learning Software Bug Reports: A Systematic Literature Review

Guoming Long, Jingzhi Gong, Hui Fang +1

The recent advancement of artificial intelligence, especially machine learning (ML), has significantly impacted software engineering research, including bug report analysis. ML aim…

cs.SE2025★ 15 cited

Accuracy Can Lie: On the Impact of Surrogate Model in Configuration Tuning

Pengzhou Chen, Jingzhi Gong, Tao Chen

To ease the expensive measurements during configuration tuning, it is natural to build a surrogate model as the replacement of the system, and thereby the configuration performance…