Welcome to the website of the Databases and Information Systems Group at Friedrich Schiller University Jena headed by Viktor Leis. Our research revolves around making data management systems more efficient and we are developing a high-performance storage engine called LeanStore.

News

Our paper Contention and Space Management in B-Trees was accepted at CIDR 2021.
FSST: Fast Random Access String Compression accepted at VLDB 2020. The code and a video of the talk can be found here.
Efficient Query Processing with Optimistically Compressed Hash Tables & Strings in the USSR selected as Best Paper of ICDE 2020.
Rethinking Logging, Checkpoints, and Recovery for High-Performance Storage Engines accepted at SIGMOD 2020.
Our paper Exploiting Directly-Attached NVMe Arrays in DBMS was accepted at CIDR 2020.

DATABASES AND INFORMATION SYSTEMS

News