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# ✨ TQRG - The Quasar Research Group |
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Welcome to **TQRG - The Quasar Research Group**, led by **Rui Abreu**. We are a passionate, interdisciplinary team tackling challenges in **software testing**, **debugging**, **security**, **energy efficiency**, and **machine learning**. |
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Our mission is to create cutting-edge tools and methodologies that enhance software quality, performance, and sustainability. 🚀 |
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## 👥 Members |
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- **Rui Abreu** — *Group Leader* |
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- Alexandre Perez |
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- Thomas Durieux |
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- Luis Cruz |
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- Sofia Reis |
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- Bruno Sotto-Mayor |
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- João Ferreira |
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- Ricardo Martins |
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- Francisco Ribeiro |
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- Nuno Sabino |
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- David Coimbra |
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- Eduard Pinconschi |
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- Cláudia Mamede |
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- Luís Gomes |
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- Rui Melo |
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## 🧪 Projects |
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| Project | Description | |
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|--------|-------------| |
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| **[GZoltar](https://github.com/GZoltar/gzoltar)** | Automatic Testing & Debugging using Spectrum-based Fault Localization (SFL) | |
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| **GZoltar-plugin** | VS Code plugin with all GZoltar commands integrated | |
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| **Physalia** | Energy measurement framework for mobile apps | |
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| **Leafactor** | Automatic refactoring tool for improving energy efficiency in Android apps | |
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| **Energy Patterns** | Open database of energy-related design patterns for mobile apps (iOS & Android) | |
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| **Android Test Inspector** | Android App Hall of Fame | |
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| **Pangolin** | Software visualization toolset for feature localization | |
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| **SecBench** | Database of real-world security vulnerabilities | |
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| **SECOM** | Convention for Security Commit Messages | |
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| **VDET** | Transformer-based VS Code extension for detecting Java vulnerabilities | |
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| **Tandem-FL** | Test minimizer based on Mozilla’s Lithium tool | |
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## 📚 Selected Publications |
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### 📘 2023 |
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- Gabriela K Michelon et al. *Spectrum-based feature localization for families of systems*. **JSS**. |
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- Francisco Ribeiro et al. *GPT-3-Powered Type Error Debugging*. **SLE'23**. |
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### 📘 2022 |
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- Cláudia Mamede et al. *Transformer-based IDE plugin for vulnerability detection*. **ASE'22**. |
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- Sofia Reis et al. *Improving a Security Linter with Feedback*. **ASE'22**. |
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- 🏆 **MSR 2022 Foss Impact Paper Award**: *SECOM: Security Commit Message Convention*. **MSR'22**. |
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- Eduard Pinconschi et al. *Maestro: Program Repair Benchmarking Platform*. **ISSTA'22**. |
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- Francisco Ribeiro et al. *Framing Program Repair as Code Completion*. **APR'22**. |
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### 📘 2021 |
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- David Coimbra et al. *Detecting C Security Vulnerabilities with Source Code Representations*. **DX'21**. |
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- Sofia Reis et al. *Fixing vulnerabilities potentially hinders maintainability*. **EMSE**. |
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- Rui Abreu et al. *Reducing Time-To-Fix for Fuzzer Bugs*. **ASE'21**. |
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### 📘 2020–2018 |
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- Bruno Sotto-Mayor et al. *Smell-Based Defect Prediction with Designite*. **DX'20**. |
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- Thomas Durieux et al. *Empirical Study of Flaky Builds on Travis CI*. **MSR'20**. |
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- Luis Cruz & Rui Abreu. *Energy Pattern Catalog*. **EMSE**. |
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- Alexandre Perez et al. *Qualitative Reasoning for Fault Localization*. **IJCAI / ICSE**. |
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### 📘 2017 and earlier |
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- Sofia Reis & Rui Abreu. *SECBENCH: A Database of Security Vulnerabilities*. **ESORICS'17**. |
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- Luis Cruz et al. *Leafactor: Automatic Refactoring for Energy*. **MOBILESoft'17**. |
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- Alexandre Perez et al. *Test-Suite Diagnosability Metric*. **ICSE'17**. |
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> For the full list of publications, visit our Google Scholar profiles or institutional page. |
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## 🤝 Join Us / Get in Touch |
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We welcome collaborations, student researchers, and industry partners. Whether you're curious about energy-efficient apps, AI-powered debugging, or software security — **we’d love to hear from you!** |
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📫 Email: `rui [at] computer.org` |
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_“Shining light on the dark matter of software systems.”_ ✨ |
