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4 results for “Architecture Violation”
Replication Package for the Paper: "Code Reviewer Recommendation for Architecture Violations: An Exploratory Study"
<p>This is the replication package for the paper: "Code Reviewer Recommendation for Architecture Violations: An Exploratory Study".</p> <p><strong>1) scripts.zip </strong>includes the Python scripts used to run the experiments in this work. Experimental details (e.g., parameters) are described in the Python files. Choose the relevant experimental settings and run "Experiment.py" to start the experiments.</p> <p><strong>2) dataset.xlsx </strong>is the dataset used in the experiments on code reviewer recommendation, which includes the code review comments (from the four OSS projects) related to architecture violations and the file paths of code changes.</p>
Supplementary Material for "Architecture-Based Mitigation of Confidentiality Violations Utilizing Machine Learning"
<p>Supplementary material for the paper "Architecture-Based Mitigation of Confidentiality Violations Utilizing Machine Learning". For more information, please see the README.md</p>
Data Set of Thesis on Architectural Data Flow Analysis for Detecting Violations of Confidentiality Requirements
<p>The data set contains the results of the validation, the docker image for conducting the validation and the source code of all developed projects to conduct the validation.</p>
Replication Package for the Paper: Towards Automated Identification of Violation Symptoms of Architecture Erosion
<p><strong>Abstract of this Study</strong></p> <div> <div>Architecture erosion has a detrimental effect on maintenance and evolution, as the implementation deviates from the intended architecture. To prevent this, development teams need to understand early enough the symptoms of erosion, and particularly violations of the intended architecture. One feasible way is through the automated identification of architecture violations from textual artifacts, and particularly code reviews. In this paper, we developed 15 machine learning-based and 4 deep learning-based classifiers with three pre-trained word embeddings to identify violation symptoms of architecture erosion from developer discussions in code reviews. Specifically, we looked at code review comments from four large open-source projects from the OpenStack (Nova and Neutron) and Qt (Qt Base and Qt Creator) communities. We then conducted a survey and semi-structured interviews to acquire feedback from the involved participants who discussed architecture violations in code reviews, to validate the usefulness of our trained classifiers. Moreover, we conducted additional comparative experiments by evaluating Large Language Model (LLM)-based classifiers, including GPT-4o, Qwen-2.5, and DeepSeek-R1. The results show that, for ML/DL-based classifiers, the SVM classifier based on <em>word2vec</em> pre-trained word embedding performs the best with an F1-score of 0.779. In most cases, classifiers with the <em>fastText</em> pre-trained word embedding model can achieve relatively good performance. Moreover, 200-dimensional pre-trained word embedding models outperform classifiers that use 100- and 300-dimensional models. For ML/DL-based classifiers, ensemble classifiers based on the majority voting strategy can enhance the classifier and outperform the individual classifiers. The findings derived from the online survey and interviews conducted with the involved developers reveal that the violation symptoms identified by our approaches have practical value and can provide early warnings for impending architecture erosion. Furthermore, LLM-based classifiers consistently outperform traditional ML/DL models, with GPT-4o yielding the highest F1-score of 0.851, though ensemble strategies offered no further performance gains for ensemble LLM-based classifiers in our case. We investigate the automated identification of violation symptoms from code reviews using both traditional ML/DL and state-of-the-art LLM techniques. Our contributions include the automated approach for identifying violation symptoms in code reviews, a systematic comparison of ML/DL and LLM approaches, and practitioner-centered insights into their practical usefulness, ultimately contributing to better architectural conformance and sustainability in software systems.</div> </div> <p><strong>Structure of the Replication Package</strong></p> <ul> <li><strong>data.zip</strong> includes: (1) extracted features (<strong>extracted_features</strong>) as inputs of classifiers, that is, word vectors of the extracted violation symptoms based on the three pre-trained word embedding models (i.e., word2vec, fastText, GloVe). (2) <strong>word_embedding</strong> includes pre-trained word embedding models. Due to the large size, we listed the download URL Download_url.txt, and we used embedding_dim.py to change the dimensions of the fastText models. (3) <strong>Violation symptoms.xlsx</strong> and <strong>Randomly_selected_comments.xlsx</strong> represent the review comments labeled as violations and non-violations, respectively.</li> <li><strong>scripts.zip </strong>includes the Python scripts used to run the experiments, including data preprocessing and classifier training.</li> <li><strong>survey and interview.zip</strong> include the survey form, interview protocol and questions, and the template of customized emails that we sent to participants.</li> </ul> <p><strong>Experiment Steps</strong></p> <p>1. Preprocessing and feature extraction: </p> <ul> <li>Run feature_extraction.py to conduct preprocessing and feature extraction after adjusting appropriate parameters.</li> <li>It includes five steps: (1) Tokenization (2) Noise Removal (3) Stop words Removal (4) Capitalization Conversion (5) Stemming.</li> <li>Feature selection methods: word2vec, fastText, and Glove.</li> </ul> <p>2. Training classifiers: </p> <ul> <li>Run <em>Classifiers_ML.py</em> to train machine learning-based classifiers.</li> <li>Run <em>Classifiers_DL_classifiers.py</em> to train deep learning-based classifiers.</li> <li> <div> <div>Run <em>LLM.py</em> to generate LLM-based classifiers.</div> <div>Run <em>LLM_performance.py</em> to evaluate the performance of LLM-based classifiers.</div> <div> <div> <div>Run <em>LLM_voting.py</em> to conduct voting strategy for ensemble LLM-based classifiers.</div> </div> </div> </div> </li> <li>Machine learning algorithms: Support Vector Machine (SVM), Logistic Regression (LR), Decision Tree (DT), Bernoulli Naive Bayes (NB), and k-Nearest Neighbor (kNN).</li> <li>Deep learning algorithm: TextCNN.</li> <li> <div> <div>Large language models: GPT-4o, Qwen-2.5, DeepSeek-R1.</div> </div> </li> </ul> <p><strong>Experiment Environment</strong></p> <p>Required packages and their versions:</p> <ul> <li>torch==1.11.0</li> <li>numpy==1.22.3</li> <li>gensim==4.1.2</li> <li>fasttext==0.9.2</li> <li>pandas==1.4.1</li> <li>torchtext==0.12.0</li> <li>sklearn==0.0</li> <li>scikit-learn==1.0.2</li> <li>w2vembeddings==0.1.2</li> <li>matplotlib==3.5.1</li> <li>tqdm==4.62.3</li> <li>nltk==3.7 </li> <li> <div> <div>openai==1.95.1</div> </div> </li> </ul>
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