Search Results for author: Yuejun Guo

Found 12 papers, 5 papers with code

Hazards in Deep Learning Testing: Prevalence, Impact and Recommendations

no code implementations11 Sep 2023 Salah Ghamizi, Maxime Cordy, Yuejun Guo, Mike Papadakis, And Yves Le Traon

To this end, we survey the related literature and identify 10 commonly adopted empirical evaluation hazards that may significantly impact experimental results.

Evaluating the Robustness of Test Selection Methods for Deep Neural Networks

no code implementations29 Jul 2023 Qiang Hu, Yuejun Guo, Xiaofei Xie, Maxime Cordy, Wei Ma, Mike Papadakis, Yves Le Traon

Testing deep learning-based systems is crucial but challenging due to the required time and labor for labeling collected raw data.

Fault Detection

CodeLens: An Interactive Tool for Visualizing Code Representations

no code implementations27 Jul 2023 Yuejun Guo, Seifeddine Bettaieb, Qiang Hu, Yves Le Traon, Qiang Tang

Representing source code in a generic input format is crucial to automate software engineering tasks, e. g., applying machine learning algorithms to extract information.

On the Effectiveness of Hybrid Pooling in Mixup-Based Graph Learning for Language Processing

no code implementations6 Oct 2022 Zeming Dong, Qiang Hu, Zhenya Zhang, Yuejun Guo, Maxime Cordy, Mike Papadakis, Yves Le Traon, Jianjun Zhao

Graph neural network (GNN)-based graph learning has been popular in natural language and programming language processing, particularly in text and source code classification.

Code Classification Data Augmentation +2

Aries: Efficient Testing of Deep Neural Networks via Labeling-Free Accuracy Estimation

1 code implementation22 Jul 2022 Qiang Hu, Yuejun Guo, Xiaofei Xie, Maxime Cordy, Lei Ma, Mike Papadakis, Yves Le Traon

Recent studies show that test selection for DNN is a promising direction that tackles this issue by selecting minimal representative data to label and using these data to assess the model.

CodeS: Towards Code Model Generalization Under Distribution Shift

2 code implementations11 Jun 2022 Qiang Hu, Yuejun Guo, Xiaofei Xie, Maxime Cordy, Lei Ma, Mike Papadakis, Yves Le Traon

Distribution shift has been a longstanding challenge for the reliable deployment of deep learning (DL) models due to unexpected accuracy degradation.

Benchmarking Code Classification

LaF: Labeling-Free Model Selection for Automated Deep Neural Network Reusing

1 code implementation8 Apr 2022 Qiang Hu, Yuejun Guo, Maxime Cordy, Xiaofei Xie, Mike Papadakis, Yves Le Traon

Applying deep learning to science is a new trend in recent years which leads DL engineering to become an important problem.

Model Selection

Robust Active Learning: Sample-Efficient Training of Robust Deep Learning Models

no code implementations5 Dec 2021 Yuejun Guo, Qiang Hu, Maxime Cordy, Mike Papadakis, Yves Le Traon

Our acquisition function -- named density-based robust sampling with entropy (DRE) -- outperforms the other acquisition functions (including random) in terms of robustness by up to 24. 40\% (3. 84\% than random particularly), while remaining competitive on accuracy.

Active Learning

MUTEN: Boosting Gradient-Based Adversarial Attacks via Mutant-Based Ensembles

no code implementations27 Sep 2021 Yuejun Guo, Qiang Hu, Maxime Cordy, Michail Papadakis, Yves Le Traon

In this paper, we propose MUTEN, a low-cost method to improve the success rate of well-known attacks against gradient-masking models.

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