Dr.-Ing. Sascha Lity

Research Interests

• Software Product Lines
• Model-based Testing
• Regression Testing
• Software Evolution

Grants & Awards

• Software Engineering Award 2012 of the Ernst Denert Foundation for the best Master's thesis, September 18th, 2012, Braunschweig (Certificate)
• GI TAV Award 2011 for the best Master's thesis in Software Testing, June 2012, Stuttgart (Certificate)

Activities

• Presentation at Eclipse Testing Day 2012 (Link, Slides)
• Article in Braunschweiger Zeitung about SPL testing (Link)
• Subreviewer for ISoLA'2012, Computing, Modellierung'2014, ECMFA'2015, SPLC'2015, MoDELS'2015, FSE NIER'2015, FASE'2016, iFM'2016, ICSR'2016, ISoLA'2016, SPLC'2016, APSEC'2016, FSEN'2016, FASE'2016, CTA'2017, MoDELS'2017, GPCE'2017, ECOOP'2018
• Participation in the FOSD Meeting 2017 in Darmstadt, Germany
• Participation in the FOSD Meeting 2015 in Traunkirchen, Austria
• Participation in the FOSD Meeting 2012 in Braunschweig, Germany

Projects

Integrated Model-based Testing of Continuously Evolving Software Product Lines (IMoTEP)

Supervised Student Thesis

• M. Kühl, Extending Incremental Model-Slicing for Enhanced Product Line Analysis, Masterthesis, 2018
• I. Boldt, Evaluating the Impact of Product Prioritization on Incremental Product-Line Testing, Bachelorthesis, 2018
• S. Nahrendorf, Evolution-aware Modeling and Analysis of Software Product Lines, Masterthesis, 2017 (Pdf)
• T. Brandes, Slice Selection Criteria for Incremental Model Slicing, Bachelor thesis, 2017
• S. Nahrendorf, Modeling of Scenarios for the Evolution of Delta-oriented Software Product Lines, Project, 2016

Supervised Student Thesis at IPS

Future Student Thesis

Topics for Bachelor's and Master's Thesis as well as "Projektarbeiten" in the areas of software product lines, model-based testing and dela-oriented testing can be individually discussed with me.

Publications

dblp

• [LNT+18] S.Lity, M. Nieke, T. Thüm, I. Schaefer
  Retest test selection for product-line regression testing of variants and versions of variants
  Journal of Systems and Software, Volume 147 , 2019, VaMoS (Elsevier)
• [RLB+18] S.Ruland, L. Luthmann, J. Bürdek, S. Lity, T. Thüm, M. Lochau, M. Ribeiro
  Measuring effectiveness of sample-based product-line testing
  Proceedings of the 17th International Conference on Generative Programming: Concepts and Experiences , 2019, GPCE (ACM)
• [LNT+18] S.Lity, S. Nahrendorf, T. Thüm, C. Seidl, I. Schaefer
  175% Modeling for Product-Line Evolution of Domain Artifacts
  Proceedings of the 12th International Workshop on Variability Modelling of Software-Intensive Systems , 2018, VaMoS (ACM)
• [NLS18] Sophia Nahrendorf, Sascha Lity, Ina Schaefer
  Applying Higher-Order Delta Modeling for the Evolution of Delta-Oriented Software Product Lines 
  Technical Report 2018-01, TU Braunschweig, 2018. (Pdf)
• [ALL+17] M. Al-Hajjaji, S. Lity, R. Lachmann, T. Thüm, I. Schaefer, G. Saake
  Delta-Oriented Product Prioritization for Similarity-Based Product-Line Testing
  Proceedings of the 2nd International Workshop on Variability and Complexity in Software Design , 2017, VACE@ICSE (IEEE)
• [LAT+17] S. Lity, M. Al-Hajjaji, T. Thüm, I. Schaefer
  Optimizing Product Orders Using Graph Algorithms for Improving Incremental Product-Line Analysis
  Proceedings of the 11th International Workshop on Variability Modelling of Software-intensive Systems , 2017, VaMoS (ACM)
• [LBL+17] R. Lachmann, S. Beddig, S. Lity, S. Schulze, I. Schaefer
  Risk-based Integration Testing of Software Product Lines
  Proceedings of the 11th International Workshop on Variability Modelling of Software-intensive Systems , 2017, VaMoS (ACM)
• [LKS16] S. Lity, M. Kowal, I. Schaefer
  Higher-Order Delta Modeling for Software Product Line Evolution
  Proceedings of the 7th  International Workshop on Feature-Oriented Software Development, 2016, FOSD@SPLASH (ACM)
• [LLA+16] R. Lachmann, S. Lity, M. Al-Hajjaji, F. Fürchtegott, I. Schaefer
  Fine-Grained Test Case Prioritization for Integration Testing of Delta-Oriented Software Product Lines
  Proceedings of the 7th  International Workshop on Feature-Oriented Software Development, 2016, FOSD@SPLASH (ACM)
• [LMT+16] S. Lity, T. Morbach, T. Thüm, I. Schaefer
  Applying Incremental Model Slicing to Product-Line Regression Testing
  Proceedings of the 15th International Conference on Software Reuse, 2016; ICSR (SpringerLínk)
• [LLL+15] R. Lachmann, S. Lity, S. Lischke, S. Beddig, S. Schulze, I. Schaefer
  Delta-oriented Test Case Prioritization for Integration Testing of Software Product Lines
  Proceedings of the 19th International Software Product Line Conference, 2015; SPLC (ACM)
• [VHFF+15] B. Vogel-Heuser, S. Feldmann, J. Folmer, M. Kowal, I. Schaefer, J. Ladiges, A. Fay, C. Haubeck, W. Lammersdorf, S. Lity, T. Kehrer, M. Tichy, S. Getir, M. Ulbrich, V. Klebanov, B. Beckert
  Selected Challenges of Software Evolution for Automated Production Systems
  Proceedings of the 13th International Conference on Industrial Informatics, 2015; INDIN (IEEEXplore)
• [LFH+15] J. Ladiges, A. Fay, C. Haubeck, W. Lammersdorf, S. Lity, I. Schaefer
  Supporting Commissioning of Production Plants by Model-Based Testing and Model Learning
  Proceedings of the 24th IEEE International Symposium on Industrial Electronics, 2015; ISIE (IEEEXplore)
• [LBL+15] Sascha Lity, Johannes Bürdek, Malte Lochau, Markus Berens, Andy Schürr, Ina Schaefer
  Re-Engineering Automation Systems as Dynamic Software Product Lines
  Proceedings of the 11th Dagstuhl-Workshop Model-Based Development of Embedded Systems, 2015; MBEES (Proceedings)
• [LBS15] S. Lity, H. Baller, I. Schaefer
  Towards Incremental Model Slicing for Delta-oriented Software Product Lines
  Proceedings of the 22nd IEEE International Conference on Software Analysis, Evolution, and Reengineering, 2015; SANER (IEEEXplore)
• [LBL+14] Malte Lochau, Johannes Bürdek, Sascha Lity, Matthias Hagner, Christoph Legat, Ursula Goltz, Andy Schürr
  Applying Model-based Software Product Line Testing Approaches to the Automation Engineering Domain
  at - Automatisierungstechnik, 2014 (DeGruyter)
• [BLLS14] H. Baller, S. Lity, M. Lochau, I. Schaefer
  Multi-Objective Test Suite Optimization for Incremental Product Family Testing
  Proceedings of the 7th International Conference on Software Testing, Verification and Validation, 2014; ICST, IEEE Computer Society Press.(IEEEXplore)
• [BLL+14] J. Bürdek, S. Lity, M. Lochau, M. Berens, U. Goltz, A. Schürr
  Staged Configuration of Dynamic Software Product Lines with Complex Binding Time Constraints
  Proceedings of the 8th International Workshop on Variability Modeling of Software-Intensive Systems, New York: ACM Press, 2014; ACM Digital Library Proceedings, ACM Press. (ACM)
• [LLL+14] M. Lochau, S. Lity, R. Lachmann, I. Schaefer, U. Goltz 
  Delta-oriented Model-based Integration Testing of Large-scale Systems
  Journal of Systems and Software, Vol. 91, Amsterdam: Elsevier Science Publ., November 2013, 63 - 84 (ScienceDirect)
• [LLL+13] S. Lity, R. Lachmann, M. Lochau, M. Dukaczewski, I. Schaefer
  Delta-orientiertes Testen von variantenreichen Systemen
  OBJEKTspektrum Online Themenspecial Testing, Sigis Datacom GmbH, 2013. (OBJEKTspektrum)
• [LLL+12] Sascha Lity, Remo Lachmann, Malte Lochau, Ina Schaefer
  Delta-oriented Software Product Line Test Models - The Body Comfort System Case Study 
  Technical Report 2012-07, TU Braunschweig, 2013. (Pdf)
• [LLS+12] Sascha Lity, Malte Lochau, Ina Schaefer, Ursula Goltz
  Delta-oriented Model-based SPL Regression Testing 
  Proceedings of the 3rd International Workshop on Product Line Approaches in Software Engineering (PLEASE), 2012. (IEEEXplore) 
• [LSK+12] Malte Lochau, Ina Schaefer, Jochen Kamischke, Sascha Lity
  Incremental Model-based Testing of Delta-oriented Software Product Lines 
  Proceedings of the 6th International Conference on Tests and Proofs (TAP), Volume 7305/2012 of LNCS, pp. 67-82, Springer 2012. (SpringerLink)
• [SL11] Sascha Lity
  Konzeption und Evaluation eines delta-orientierten modellbasierten Testverfahrens für Softwareproduktlinien
  Masterarbeit, Institut für Software System Engineering, Dezember 2011, TU Braunschweig. (Pdf)