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Dr. Jörg Liebig

Phone:	++49 851 509 3075
Fax:	++49 851 509 3092
E-mail:

• 2015: Dr. rer. nat., University of Passau, Germany
• 2008: Diploma in Computer Systems in Engineering, University of Magdeburg, Germany

• Software engineering for embedded systems
• Feature-oriented software development
• Software product line engineering
• Variability management tools

• cppstats: c-program variability analyzer
• featurehouse: language-independent, automated software composition
• ssmerge: semistructured merge for revision control systems
• fuji: a compiler for feature-oriented programming in java
• cnife: a tool for the transformation of #ifdefs into feature-modules
• typechef: variability-aware parsing and transformation of #ifdef-based software product lines

2018

• Alexander von Rhein, Jörg Liebig, Andreas Janker, Christian Kästner, and Sven Apel. Variability-Aware Static Analysis at Scale: An Empirical Study. ACM Transactions on Software Engineering and Methodology (TOSEM), 27(4):18:1–18:33, November 2018.
   

2017

• Jörg Liebig, Sven Apel, Andreas Janker, Florian Garbe, and Sebastian Oster. Handling Static Configurability in Refactoring Engines. IEEE Computer, 50(7):44–53, July 2017.
   

2016

• Jörg Liebig, Sven Apel, Andreas Janker, Florian Garbe, and Sebastian Oster. Morpheus: Variability-Aware Refactoring in the Wild. In Proceedings of Software Engineering – Fachtagung des GI-Fachbereichs Softwaretechnik, GI-Edition – Lecture Notes in Informatics, pages 97–98. Gesellschaft für Informatik, February 2016.
   
• Alexander von Rhein, Thomas Thüm, Ina Schaefer, Jörg Liebig, and Sven Apel. Variability Encoding: From Compile-Time to Load-Time Variability. Journal of Logical and Algebraic Methods in Programming (JLAMP), 85(1):125–145, January 2016.
   

2015

• Jörg Liebig. Analysis and Transformation of Configurable Systems. PhD thesis, Universität Passau, 2015.
   
• Jörg Liebig, Andreas Janker, Florian Garbe, Sven Apel, and Christian Lengauer. Morpheus: Variability-Aware Refactoring in the Wild. In Proceedings of the IEEE/ACM International Conference on Software Engineering (ICSE), pages 380–391. IEEE Computer Society, May 2015. Acceptance rate: 19% (84 / 452).
   

2014

• Janet Siegmund, Christian Kästner, Jörg Liebig, Sven Apel, and Stefan Hanenberg. Measuring and Modeling Programming Experience. Empirical Software Engineering, 19(5):1299–1334, October 2014.
   

2013

• Sandro Schulze, Jörg Liebig, Janet Siegmund, and Sven Apel. Does the Discipline of Preprocessor Annotations Matter? A Controlled Experiment. In Proceedings of the International Conference on Generative Programming: Concepts & Experiences (GPCE), pages 65–74. ACM Press, October 2013. Acceptance rate (full papers): 30% (17 / 57).
   
• Jörg Liebig, Alexander von Rhein, Christian Kästner, Sven Apel, Jens Dörre, and Christian Lengauer. Scalable Analysis of Variable Software. In Proceedings of the European Software Engineering Conference and the ACM SIGSOFT International Symposium on the Foundations of Software Engineering (ESEC/FSE), pages 81–91. ACM Press, August 2013. Acceptance rate: 20% (51 / 251).
   
• Janet Feigenspan, Christian Kästner, Sven Apel, Jörg Liebig, Michael Schulze, Raimund Dachselt, Maria Papendieck, Thomas Leich, and Gunter Saake. Do Background Colors Improve Program Comprehension in the #ifdef Hell?. Empirical Software Engineering, 18(4):699–745, July 2013.
   
• Jörg Liebig, Sven Apel, and Rolf Daniel. Feature-Oriented Language Families: A Case Study. In Proceedings of the International Workshop on Variability Modelling of Software-intensive Systems (VaMoS), pages 53–60. ACM, January 2013.
   

2012

• Janet Siegmund, André Brechmann, Sven Apel, Christian Kästner, Jörg Liebig, Thomas Leich, and Gunter Saake. Toward Measuring Program Comprehension with Functional Magnetic Resonance Imaging. In Proceedings of the ACM SIGSOFT International Symposium on the Foundations of Software Engineering (FSE), pages 24:1–24:4. ACM Press, November 2012. NIER Track; acceptance rate: 20% (12 / 59).
   
• Jörg Liebig, Alexander von Rhein, Christian Kästner, Sven Apel, Jens Dörre, and Christian Lengauer. Large-Scale Variability-Aware Type Checking and Dataflow Analysis. Technical Report MIP-1212, Department of Informatics and Mathematics, University of Passau, November 2012.
   
• Janet Siegmund, Christian Kästner, Jörg Liebig, and Sven Apel. Comparing Program Comprehension of Physically and Virtually Separated Concerns . In Proceedings of the International Workshop on Feature-Oriented Software Development (FOSD), pages 17–24. ACM Press, September 2012.
   
• Janet Feigenspan, Christian Kästner, Jörg Liebig, Sven Apel, and Stefan Hanenberg. Measuring Programming Experience. In Proceedings of the International Conference on Program Comprehension (ICPC), pages 73–82. IEEE Computer Society, June 2012. Acceptance rate: 41% (21 / 51).
   
• Sven Apel, Sergiy Kolesnikov, Jörg Liebig, Christian Kästner, Martin Kuhlemann, and Thomas Leich. Access Control in Feature-Oriented Programming. Science of Computer Programming – Special Issue on Feature-Oriented Software Development, 77(3):174–187, March 2012.
   

2011

• Janet Feigenspan, Sven Apel, Jörg Liebig, and Christian Kästner. Exploring Software Measures to Assess Program Comprehension. In Proceedings of the International Symposium on Empirical Software Engineering and Measurement (ESEM), pages 1–10, paper 3. IEEE Computer Society, September 2011. Acceptance rate: 31% (33 / 105).
   
• Sven Apel, Jörg Liebig, Benjamin Brandl, Christian Lengauer, and Christian Kästner. Semistructured Merge: Rethinking Merge in Revision Control Systems. In Proceedings of the European Software Engineering Conference and the ACM SIGSOFT International Symposium on the Foundations of Software Engineering (ESEC/FSE), pages 190–200. ACM Press, September 2011. Acceptance rate: 17% (34 / 203).
   
• Jörg Liebig, Christian Kästner, and Sven Apel. Analyzing the Discipline of Preprocessor Annotations in 30 Million Lines of C Code. In Proceedings of the ACM International Conference on Aspect-Oriented Software Development (AOSD), pages 191–202. ACM Press, March 2011. Acceptance rate: 23% (21 / 92).
   

2010

• Jörg Liebig, Sven Apel, Christian Lengauer, Christian Kästner, and Michael Schulze. An Analysis of the Variability in Forty Preprocessor-Based Software Product Lines. In Proceedings of the ACM/IEEE International Conference on Software Engineering (ICSE), pages 105–114. ACM Press, May 2010. Acceptance rate: 14% (52 / 380).
   
• Sven Apel, Jörg Liebig, Christian Lengauer, Christian Kästner, and William Cook. Semistructured Merge in Revision Control Systems. In Proceedings of the International Workshop on Variability Modelling of Software-intensive Systems (VaMoS), pages 13–19. University of Duisburg-Essen, January 2010.
   

2009

• Sven Apel, Jörg Liebig, Christian Kästner, Martin Kuhlemann, and Thomas Leich. An Orthogonal Access Modifier Model for Feature-Oriented Programming. In Proceedings of the International Workshop on Feature-Oriented Software Development (FOSD), pages 26–32. ACM Press, October 2009.
   
• Jörg Liebig, Sven Apel, Christian Lengauer, and Thomas Leich. RobbyDBMS – A Case Study on Hardware/Software Product Line Engineering. In Proceedings of the International Workshop on Feature-Oriented Software Development (FOSD), pages 60–65. ACM Press, October 2009.
   
• Jörg Liebig. An Analysis of Preprocessor-Based Software Product Lines. In Proceedings of the International Summer School on Generative and Transformational Techniques in Software Engineering, pages 379–380, July 2009. Extended Abstract.
   

2008

• Jörg Liebig. Untersuchung der Anwendung erweiterter Programmierparadigmen für die Programmierung eingebetteter Systeme. Master's thesis, School of Computer Science, Magdeburg, 2008.
   

• LaTeX template for bachelor and master thesis
• Webmail University of Passau