Prof. Dr. Viktor Leis

Address: Technische Universität München
Institut für Informatik – Lehrstuhl XXV (I25)
Boltzmannstr. 3
85748 Garching
Room:
Raumplan
(extern)
Phone: +49 (0)3641/9-46500
E-Mail: leis@in.tum.de
Office Hours: Please call/mail ahead for an appointment


News: I moved to Friedrich Schiller University Jena as a Professor. Contact me (viktor.leis@uni-jena.de) if you are interested in doing a PhD in database systems.

Research Area: (Big) Data Management

  • query processing on modern hardware
  • query optimization
  • transaction processing
  • fast and space-efficient index structures
  • modern storage technologies

Selected Publications

Everything You Always Wanted to Know About Compiled and Vectorized Queries But Were Afraid to Ask
Timo Kersten, Viktor Leis, Alfons Kemper, Thomas Neumann, Andrew Pavlo, Peter Boncz, VLDB 2019
LeanStore: In-Memory Data Management Beyond Main Memory
Viktor Leis, Michael Haubenschild, Alfons Kemper, Thomas Neumann, ICDE 2018
Adaptive Execution of Compiled Queries
André Kohn, Viktor Leis, Thomas Neumann, ICDE 2018, Best Paper Award
Managing Non-Volatile Memory in Database Systems
Alexander van Renen, Viktor Leis, Alfons Kemper, Thomas Neumann, Takushi Hashida, Kazuichi Oe, Yoshiyasu Doi, Lilian Harada, Sato Mitsuru, SIGMOD 2018
HOT: A Height Optimized Trie Index for Main-Memory Database Systems
Robert Binna, Eva Zangerle, Martin Pichl, Günther Specht, Viktor Leis, SIGMOD 2018
Building A Bw-Tree Takes More Than Just Buzz Words
Ziqi Wang, Andrew Pavlo, Hyeontaek Lim, Viktor Leis, Huanchen Zhang, Michael Kaminsky, David Andersen, SIGMOD 2018
SuRF: Practical Range Query Filtering with Fast Succinct Tries
Huanchen Zhang, Hyeontaek Lim, Viktor Leis, David Andersen, Michael Kaminsky, Kimberly Keeton, Andrew Pavlo, SIGMOD 2018, Best Paper Award
Cardinality Estimation Done Right: Index-Based Join Sampling
Viktor Leis, Bernhard Radke, Andrey Gubichev, Alfons Kemper, Thomas Neumann, CIDR 2017
The ART of Practical Synchronization
Viktor Leis, Florian Scheibner, Alfons Kemper, Thomas Neumann, DaMoN 2016, (source code)
How Good Are Query Optimizers, Really?
Viktor Leis, Andrey Gubichev, Atanas Mirchev, Peter Boncz, Alfons Kemper, Thomas Neumann, VLDB 2016, invited to Best Papers of VLDB 2016 issue of VLDB Journal
Efficient Processing of Window Functions in Analytical SQL Queries
Viktor Leis, Kan Kundhikanjana, Alfons Kemper, Thomas Neumann, VLDB 2015
Morsel-Driven Parallelism: A NUMA-Aware Query Evaluation Framework for the Many-Core Age
Viktor Leis, Peter Boncz, Alfons Kemper, Thomas Neumann, SIGMOD 2014
Exploiting Hardware Transactional Memory in Main-Memory Databases
Viktor Leis, Alfons Kemper, Thomas Neumann, ICDE 2014, Best Paper Award
The Adaptive Radix Tree: ARTful Indexing for Main-Memory Databases
Viktor Leis, Alfons Kemper, Thomas Neumann, ICDE 2013, (source code)

All Publications

DBLP
Google Scholar

Awards


Teaching

 

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