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André van Hoorn

Researcher (Akademischer Rat)

André van Hoorn
address Universität Stuttgart
Institute of Software Technology
Reliable Software Systems Group
Universitätsstraße 38 
D-70569 Stuttgart 
phone +49 711 685-88 252
fax +49 711 685-88 472
e-mail van.hoorn [at] informatik.uni-stuttgart.de
room 1.332
office hours: On appointment



Google Scholar


Short Biography

André van Hoorn is a member of the Reliable Software Systems (RSS) group at the University of Stuttgart (Institute of Software Technology), Germany. He received his PhD degree from Kiel University, Germany (2014) and his Master's degree (Dipl.-Inform.) from the University of Oldenburg, Germany (2007). André held a PhD scholarship with the Graduate School on Trustworthy Software Systems (TrustSoft) at the University of Oldenburg (2008-2011), was member of the Software Engineering Group at Kiel University (2008-2012), and has been postdoctoral researcher (Akademischer Rat) with the University of Stuttgart since 2013. From 2015-2017 Andre was heading the RSS group as the interim professor. His research interests are in the area of architecture-based software performance engineering and software reengineering. Particularly, he is interested in application performance monitoring, modeling, and management, as well as dynamic/hybrid analysis of legacy systems for architecture recovery and evolution.



Since 01/2013

University of Stuttgart, Inst. of Software Technology, Reliable Software Systems

Interim professor (W3) and head of Reliable Software Systems Group (10/2015-02/2017), Akademischer Rat (since 11/2014), PostDoc


PhD in Computer Science (with distinction) from Kiel University


Kiel University, Department of Computer Science, Software Engineering Group

Research assistant/PhD student


University of Oldenburg, Department of Computer Science, Software Engineering Group and DFG GK Trustworthy Software Systems

Research assistant/PhD student (scholarship holder)


Master in Computer Science (Dipl.-Inform.) from University of Oldenburg


University of Oldenburg

Studies of Computer Science
(06-10/2006 studies abroad at University of California, Riverside, CA, USA)




Research Interests

  • Software performance and reliability engineering
    • Performance modeling, testing, measurement/monitoring, and evaluation
    • Workload characterization and workload generation
    • Online performance and resource management
    • Interoperability between APM and SPE methods, techniques, and tools
    • Quality-aware DevOps
  • Software architecture
    • Component-based, Web-based software systems, microservices
    • Quality of Service (particularly, performance and resource efficiency)
    • Runtime reconfiguration/adaptation, Self-*
  • Software reengineering
    • Dynamic and hybrid software analysis
    • Extraction of architectural models and usage profiles
    • Architecture-based software modernization




Declare – Declarative Performance Engineering, DFG
diagnoseIT – Expert-guided automatic diagnosis of performance problems in enterprise applications, BMBF
ENSURE – Ensurance of software evolution by run-time certification, DFG
Kieker – Application Performance Management and Dynamic Software Analysis
Orcas - Efficient Resilience Benchmarking of Microservice Architectures, Baden-Württemberg Stiftung
SPEC RG – Research Group of the Standard Performance Evaluation Corporation (SPEC) focusing on collaborative research efforts in the area of quantitative system evaluation and analysis
 SQuAT SQuAT – Search Techniques for Managing Quality-Attribute Tradeoffs in Software Design Optimizations, BMBF
Wessbas WESSBAS – Extraction of Probabilistic Workload Specifications for Load Testing and Performance Prediction


DynaMod – Dynamic Analysis for Model-Driven Software Modernization, BMBF
SLAstic - Model-Driven Online Capacity Management for Component-Based Software Systems, PhD Dissertation
Trustsoft – Trustworthy Software Systems, DFG


Research Tools



For (partially incomplete) lists of my publications, please visit


Grants, Awards, and Scholarships


Professional Activities



Reviewing/PC Memberships

For selected occasions.



  • ACM – Association for Computing Machinery
  • GI – German Informatics Society (Gesellschaft für Informatik e.V.)
  • Infos – Informatik-Forum Stuttgart
  • OLDIES – Alumni association of the Dept. of Computer Science, Univ. Oldenburg