Data Systems Lab

The Data Systems Lab explores applications of AI to build next-gen data systems that are efficient and easy to use.

People

Andreas Kipf

Head of Data Systems Lab

Alex van Renen

Postdoctoral Researcher

Mihail Stoian

Doctoral Researcher

Andreas Zimmerer

Doctoral Researcher

Varun Pandey

Affiliated Researcher

Luca Heller

Student Researcher

Ping-Lin Kuo

Student Researcher

Moritz Rengert

Student Researcher

Carl-David Reese

Student Researcher

Andrea Smith

Administrative Assistant

Corinna Dannewitz

Administrative Assistant

Alumni

Sara Sherif, Guest Researcher
Skander Krid, Student Researcher

Selected Publications

Virtual: Compressing Data Lake Files

Mihail Stoian, Alexander Renen, Jan Kobiolka, Ping-Lin Kuo, Andreas Zimmerer, Josif Grabocka, and Andreas Kipf

In Proceedings 28th International Conference on Extending Database Technology, EDBT 2025, Barcelona, Spain, March 25-28, 2025, 2025

Best Demo Award Bib PDF Code Website

This demo paper received the Best Demo Award at EDBT 2025.

@inproceedings{stoian2025virtual,
  title = {Virtual: Compressing Data Lake Files},
  author = {Stoian, Mihail and van Renen, Alexander and Kobiolka, Jan and Kuo, Ping{-}Lin and Zimmerer, Andreas and Grabocka, Josif and Kipf, Andreas},
  editor = {Simitsis, Alkis and Kemme, Bettina and Queralt, Anna and Romero, Oscar and Jovanovic, Petar},
  booktitle = {Proceedings 28th International Conference on Extending Database Technology,
                    {EDBT} 2025, Barcelona, Spain, March 25-28, 2025},
  pages = {1066--1069},
  publisher = {OpenProceedings.org},
  year = {2025},
}

DPconv: Super-Polynomially Faster Join Ordering

Mihail Stoian and Andreas Kipf

Proc. ACM Manag. Data, 2024

Honorable Mention Bib PDF Code

This demo paper received a Honorable Mention at SIGMOD 2025.

@article{stoian2024dpconv,
  author = {Stoian, Mihail and Kipf, Andreas},
  title = {DPconv: Super-Polynomially Faster Join Ordering},
  journal = {Proc. {ACM} Manag. Data},
  volume = {2},
  number = {6},
  pages = {234:1--234:26},
  year = {2024},
  biburl = {https://dblp.org/rec/journals/pacmmod/StoianK24.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org},
}

Announcements

Sep 05, 2025	Our lab presented two paper at this year’s VLDB in London: “Instance-Optimized String Fingerprints” and “Parachute: Single-Pass Bi-Directional Information Passing”, both by Mihail Stoian et al.
Jul 27, 2025	Our lab received an Honorable Mention at SIGMOD for the paper “DPconv: Super-Polynomially Faster Join Ordering” by Mihail Stoian and Andreas Kipf!
Jul 22, 2025	Our lab will present three paper at this year’s SIGMOD in Berlin: “DPconv: Super-Polynomially Faster Join Ordering” by Mihail Stoian and Andreas Kipf, “Pruning in Snowflake: Working Smarter, Not Harder” by Andreas Zimmerer et al., and “Redbench: A Benchmark Reflecting Real Workloads” by Skander Krid et al.
Mar 27, 2025	Our paper “Virtual: Compressing Data Lake Files” by Mihail Stoian et al. received a Best Demo Award at EDBT in Barcelona!
Oct 01, 2024	After contributing part-time since the lab’s inception, Andi Zimmerer is now officially joining us full-time as a doctoral researcher. Welcome aboard, Andi!
Jun 10, 2024	Our doctoral researcher Andi Zimmerer has been accepted into the Software Campus program, securing €115,000 in funding to explore new research directions.
Feb 01, 2024	We are excited to welcome Alexander van Renen to the Data Systems Lab as our first Postdoctoral Researcher!
Nov 01, 2023	A warm welcome to Mihail Stoian, who joins the Data Systems Lab as a Doctoral Researcher!
Jun 26, 2023	Hello, world! Andreas Kipf has been appointed Professor of Data Systems at the University of Technology Nuremberg. Read the announcement.