About Me

I am interested in the field of software testing; my research is mainly concerned with applying NLP techniques to tests written in natural language, and the optimization of large test suites.

Thesis Topics

Feel free to contact me if you are interested in any of the below open topics (click the links for a brief description). Please include your current CV and grade report, as well as a short motivation letter and when you intend to start your thesis.

Note: Currently not accepting new applications!

Title	Type
▌ Open
Nothing right now - check back later
▌ Ongoing / Assigned
Prioritizing Natural Language Tests by Identifying Redundant Test Cases	GR
Improving Natural Language Tests With Large Language Models	BA
Quality Issues in Natural Language Tests	Seminar
Evaluation and Refinement of the Quiz Generation for an AI-Assisted Tutoring System	MA
Enhancing and Evaluating RAG-Based Systems in TUMTutor (with JD)	BA
Development of a Scalable AI-Assisted Tutoring System	MA
Development of Instructor Workflows for an AI-Assisted Tutoring System	GR
Comparative Analysis of LLMs for Automated Code Refactoring (with SC)	MA
▌ Finished
Automatically Detecting Flaky End-to-End Tests in Multi-Language Systems Using Code Coverage (with FL)	MA
Regression Test Optimization for Manual Tests	Seminar
Regression Test Selection in Rust (with DE)	GR
Coverage-Based Regression Test Selection for Manual UI Tests	Seminar
Increasing Data Sharing Appeal Through Incentive Mechanisms (with VZ)	MA
NLP-Based Manual Test Case Selection	Seminar
Prioritizing Regression Tests for Manual Testing of Mobile Applications	MA
Insights Into Java Code Coverage for Natural Language Tests	Seminar
Speed Up Testing By Identifying Code Refactorings	Seminar
Non-Code Dependencies in Software Testing	Seminar
Increasing Test Selection Precision: When Are Tests (Not) Affected By Changes?	MA
Speed Up Testing By Reusing Code Coverage	BA
Regression Testing With Non-Code Dependencies	BA

Teaching

Semester	Title	Type
WS 22	Software Quality	Seminar
SS 23	Robust DevOps - Exploring Stability Factors for UI Tests	Practical Course
SS 23	Software Quality	Seminar
WS 23	Advanced Topics of Software Engineering	Lecture
WS 23	Software Quality	Seminar
SS 24	Software Quality	Seminar
WS 24	Software Quality	Seminar
SS 25	Software Quality	Seminar
SS 25	Advanced Topics of Software Testing	Lecture

Publications

• Hundsdorfer, S., Wuersching, R., Pretschner, A. (2025). RustyRTS: Regression Test Selection for Rust. In Proceedings of the 18th IEEE International Conference on Software Testing, Verification and Validation. (accepted)
• Wuersching, R.*, Elsner, D.*, Leinen, F., Pretschner, A., Grueneissl, G., Neumeyr, T., Vosseler, T. (2023). Severity-Aware Prioritization of System-Level Regression Tests in Automotive Software. In Proceedings of the 16th IEEE International Conference on Software Testing, Verification and Validation.
• Elsner, D., Wuersching, R., Schnappinger, M., Pretschner, A. (2022). Probe-based Syscall Tracing for Efficient and Practical File-level Test Traces. In Proceedings of the 3rd ACM/IEEE International Conference on Automation of Software Test (pp. 126-137).
• Elsner, D., Wuersching, R., Schnappinger, M., Pretschner, A., Graber, M., Dammer, R., & Reimer, S. (2022). Build System Aware Multi-language Regression Test Selection in Continuous Integration. In Proceedings of the 44th IEEE/ACM International Conference on Software Engineering: Software Engineering in Practice (pp. 87-96).