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Xiaofei Xie

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Open access Oct 2026

Characterizing and Repairing Obsolete Android GUI Tests under UI Evolution

Graphical user interface (GUI) tests are widely used in regression testing of mobile applications (apps) to validate app behavior from the user's perspective. However, frequent app evolution, such as UI redesigns and feature updates, often renders existing GUI tests obsolete, even when underlying functionality remains...

Shi-Wen Song, Yiheng Xiong, Wen-Bo Guo et al. · 0 citations

Enhancing Code Model Robustness Against Identifier Renaming via Unified Code Normalization

UniCode, a novel two-stage defense framework against identifier renaming, is proposed, one of the most effective modifications influencing DCMs’ robustness, and effectively aligns the distributions between the training data and the adversarial test samples, thereby significantly enhancing model robustness.

Jia-Jun Jiang, Song-Rui Li, Han-Mo You et al. · 0 citations
Book Open access Jul 2026

PurifAI: Detecting and Fixing Search-Induced Distortions in Web-Augmented LLMs

PurifAI, a proactive, model-agnostic, cache-level purification system designed for safety- and compliance-sensitive deployments, is presented, explicitly designed to preserve knowledge alignment with a pre-defined trusted knowledge core.

Guoqing Wang, Zhao Zhang, Zeyu Sun et al. · 0 citations

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