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