Prof. Dr. Felix Naumann

Sebastian Schmidl

Ph.D. student at the chair for Infomation Systems at Hasso Plattner Institute for Digital Engineering. I am in the distributed computing research group, where we investigate computationally complex problems and how they can be solved in distributed environments.

Contact Information

Hasso-Plattner-Institut für Digital Engineering gGmbH
Prof.-Dr.-Helmert-Str. 2-3
D-14482 Potsdam

Office: F-2.04

Phone: +49 331 5509 4977
Email: Sebastian Schmidl

Research Interests

  • Distributed computing
  • Scalable and reactive systems
  • Data engineering
  • Time series analytics


Bachelor Projects:

  • UltraMine - Scalable Analytics on Time Series Data (2020/2021)


  • Large-Scale Time Series Analytics (2021/2022)
  • Sustainable Machine Learning on Edge Device Clusters (2020, assistance)


  • Guest Lecture about distributed discovery of Order Dependencies for the Data Profiling course (2020/2021)

Master Thesis (supervision and assistance):

  • Hyper-Parameter Optimization in Time Series Anomaly Detection (Mats Pörschke, ongoing)
  • Time Series Anomaly Detection: An Aircraft Turbine Case Study (Jacopo Roberto Nicosia, 2022)
  • A2DB: A Reactive Database for Theta-Joins (Julian Weise, 2020)


  • Phillip Wenig, Sebastian Schmidl, Thorsten Papenbrock: TimeEval: A Benchmarking Toolkit for Time Series Anomaly Detection Algorithms. Proceedings of the VLDB Endowment (PVLDB), 2022 (to appear)
    [Project Page] 
  • Sebastian Schmidl, Phillip Wenig, Thorsten Papenbrock: Anomaly Detection in Time Series: A Comprehensive Evaluation. Proceedings of the VLDB Endowment (PVLDB), 2022
    [Paper]  [Project Page]  [DOI:10.14778/3538598.3538602]
  • Sebastian Schmidl, Thorsten Papenbrock: Efficient Distributed Discovery of Bidirectional Order Dependencies. The VLDB Journal (2022)
    [Paper]  [Poster]  [Project Page]  [DOI:10.1007/s00778-021-00683-4]
  • Julian Weise, Sebastian Schmidl, Thorsten Papenbrock: Optimized Theta-Join Processing. Proceedings of the Conference on Database Systems for Business, Technology, and Web (BTW), 2021
    [Paper]  [Project Page]  [DOI:10.18420/btw2021-03]
  • Sebastian Schmidl, Frederic Schneider, Thorsten Papenbrock: An Actor Database System for Akka. Proceedings of the conference on Database Systems for Business, Technology, and Web (BTW) - Workshopband, 2019
    [Paper]  [DOI:10.18420/btw2019-ws-23]