Nikolaus Augsten
Professor
Head of the Database Research Group
Room: 1.16
Tel: +43 (0)662-8044-6347
Fax: +43 (0)662-8044-172
Email: nikolaus.augsten@plus.ac.at
Martin Schäler
Associate Professor
Deputy Head of the Database Research Group
Room: 1.05
Tel: +43 (0)662-8044-6352
Fax: +43 (0)662-8044-172
Email: martin.schaeler@plus.ac.at
Manuel Widmoser
PhD candidate
Room: 1.14
Tel: +43 (0)662-8044-6348
Fax: +43 (0)662-8044-172
Email: manuel.widmoser@plus.ac.at
Bianca Löhnert
PhD candidate
Room: 0.26
Tel: +43 (0)662-8044-6356
Fax: +43 (0)662-8044-172
Email: bianca.loehnert@plus.ac.at
Daniel Ulrich Schmitt
PhD candidate
Room: 1.14
Tel: +43 (0)662-8044-6348
Fax: +43 (0)662-8044-172
Email: danielulrich.schmitt@plus.ac.at
Bezaye Tesfaye
External PhD candidate
Email: bbelayneh@cosy.sbg.ac.at
Andreas Schranzhofer
Teaching assistant
Room: 0.26
Tel: +43 (0)662-8044-6356
Fax: +43 (0)662-8044-172

Administrative staff

Simone Schmidt
Administrative assistant
Room: 0.31
Tel: +43 (0)662-8044-6319
Fax: +43 (0)662-8044-172
Email: simone.schmidt@plus.ac.at
Alfred Egger
System administrator
Tel: +43 (0)662-8044-6318
Fax: +43 (0)662-8044-172
Email: aegger@cosy.sbg.ac.at

PhD Graduates

Thomas Hütter
PhD Thesis on
Similarity Queries over Hierarchical Data
Supervised by Nikolaus Augsten. 2021.
Daniel Kocher
PhD Thesis on
Scalable Similarity Queries over Complex Data
Supervised by Nikolaus Augsten. 2021.
Willi Mann
PhD Thesis on
Efficient Techniques For Set Similarity Join Queries
Supervised by Nikolaus Augsten. 2018.
Mateusz Pawlik
PhD Thesis on
Efficient Computation of the Tree Edit Distance
Supervised by Nikolaus Augsten. 2014.

Students

Linda Hajdari
Master's Thesis on
Querying MRI Data for Mega-Analyses in Cognitive Neuroscience
Supervised by Mateusz Pawlik and Nikolaus Augsten.
Konrad Medicus
Master's Thesis on
Predicting the Next Word in a Search Query Using LLMs
Supervised by Martin Schäler and Daniel Kocher.
Andreas Schranzhofer
Master's Thesis on
Efficient and Precise Conformance Checking
Supervised by Thomas Hütter and Nikolaus Augsten.
Martin Resch
Master's Thesis on
Top-k DAG Similarity Queries
Supervised by Thomas Hütter, Bianca Löhnert, and Nikolaus Augsten.
Wolfgang Kremser
Master's Thesis in Data Science on
The Data Analytics Process for Time Series with Focus on Data Quality
Supervised by Martin Schäler and Nikolaus Augsten.
Philipp Stefan Maislinger
Master's Thesis in Data Science on
Efficient Duplicate Detection in Large Customer Databases
Supervised by Martin Schäler and Nikolaus Augsten.

Former Members

Thomas Hütter
Postdoctoral researcher
Thomas Samy Dafir
Research assistant
Judith Warter
Administrative assistant
Petra Kirchweger
Administrative assistant

Former Students

Manuel Lankes
Bachelor's Thesis on
A Partition-Based Index for Jaro-Winkler Similarity Joins
Supervised by Nikolaus Augsten, Daniel Kocher, and Daniel Schmitt. 2024.
Daniel Ulrich Schmitt
Master's Thesis on
Declarative Similarity Queries for Relational Database Systems
Supervised by Thomas Hütter and Nikolaus Augsten. 2023.
Martin Fischer
Master's Thesis on
Integrating JSON Similarity Joins into Database Systems
Supervised by Thomas Hütter and Nikolaus Augsten. 2023.
Matthias Paulitsch
Master's Thesis on
Clustering of JSON Documents
Supervised by Thomas Hütter, Daniel Kocher, and Nikolaus Augsten. 2022.
Michael Nening
Master's Thesis on
Shortest Path Calculation in Dynamic Road Networks
Supervised by Martin Schäler. 2022.
Verena Lorber
Master's Thesis in Data Science on
An SQL Compiler for a Process Mining Engine
In collaboration with Celonis SE
Supervised by Nikolaus Augsten, Willi Mann, and Daniel Kocher. 2022.
Andreas Schranzhofer
Bachelor's Thesis on
Implications of Modern Networks on Data Structure Design
Supervised by Daniel Kocher and Nikolaus Augsten. 2022.
Mirna Mrazovic
Bachelor's Thesis on
Data Migration at Wüstenrot: Use Cases
Supervised by Daniel Kocher and Nikolaus Augsten. 2021.
Thomas Samy Dafir
Master's Thesis on
An Empirical Evaluation of Map-Reduce with Remote Direct Memory Access
Supervised by Daniel Kocher and Nikolaus Augsten. 2021.
Konstantin Thiel
Master's Thesis in Data Science on
An Index for Density-Based Clustering with Applications in Process Mining
In collaboration with Celonis SE
Supervised by Daniel Kocher and Nikolaus Augsten. 2021.
Manuel Widmoser
Master's Thesis on
A Metric Solution for Large-Scale Set Similarity Joins
In collaboration with Celonis SE
Supervised by Daniel Kocher and Nikolaus Augsten. 2021.
Manuel Kocher
Bachelor's Thesis on
k-Wise Signatures for Set Similarity Search
Supervised by Nikolaus Augsten. 2021.
Emanuel Petter
Bachelor's Thesis on
Implications of Modern Networks on Data Structure Design
Supervised by Daniel Kocher and Nikolaus Augsten. 2021.
Daniel Ulrich Schmitt
Bachelor's Thesis on
An In-Depth Study of Selectable Signatures for Set Similarity Joins
Supervised by Daniel Kocher and Nikolaus Augsten. 2021.
Matthias Paulitsch
Bachelor's Thesis on
Set Clustering with Bitmap Filters
Supervised by Daniel Kocher and Nikolaus Augsten. 2020.
Nijaz Delalić
Bachelor's Thesis on
Similarity Search in Mongo DB
Supervised by Mateusz Pawlik. 2020
Lukas Buchner
Bachelor's Thesis on
Diversifying Search Results in Online Shopping
In collaboration with Findologic GmbH
Supervised by Nikolaus Augsten. 2018.
Philipp Höllinger
Bachelor's Thesis on
Computing efficient upper bounds for the tree edit distance
Supervised by Nikolaus Augsten. 2018.
Merima Halkic
Bachelor's Thesis on
Analyse von DNA Sequenzen zur Unterscheidung von Morphologischen Familien
Supervised by Thomas Hütter and Nikolaus Augsten. 2018.
Martin Sudmans
Master's Thesis on
Array Database Management Systems for Content-Based Image and Information Retrieval of Remote Sensing Imagery
Supervised by Nikolaus Augsten. 2018
Robert Löschinger
Master's Thesis on
Similarity Join Algorithms for the Tree Edit Distance
Supervised by Nikolaus Augsten. 2017.
Patrick Rappensberger
Master's Thesis on
Relevant Search Results in Online Shopping
In collaboration with Findologic GmbH
Supervised by Nikolaus Augsten. 2017.
Dominik Baumgartner
Bachelor's Thesis on
Experimental Evaluation of Tuning Techniques for Databases
Supervised by Willi Mann, Nikolaus Augsten. 2017.
Rupert Eisl
Master's Thesis on
Mounting Database Tables as Files
Supervised by Nikolaus Augsten. 2017.
Michael Wenig
Master's Thesis on
An Analysis of Skipping Techniques for Set Similarity Joins
Supervised by Nikolaus Augsten

Bachelor's Thesis on
Constructing a Cost-Based Query Optimizer
Supervised by Nikolaus Augsten. 2016.
Daniel Kocher
Master's Thesis on
Top-k Tree Similarity Queries
Supervised by Nikolaus Augsten. 2017.

Bachelor's Thesis on
Efficient Algorithms in Relational Database Design
Supervised by Nikolaus Augsten. 2014.
Stefan Schwarz
Master's Thesis on
A*-algorithm for ordered Tree Edit Distance
Supervised by Mateusz Pawlik, Nikolaus Augsten. 2017.

Bachelor's Thesis on
An Experimental Evaluation of Tree Edit Distance Algorithms
Supervised by Mateusz Pawlik, Nikolaus Augsten. 2015.
Andreas Eckschlager
Bachelor's Thesis on
Benchmarking Hashmaps for C++
Supervised by Willi Mann, Nikolaus Augsten. 2016.
Tobias Auinger
Bachelor's Thesis on
Visualization of Edit Mappings for Large Trees
Supervised by Mateusz Pawlik, Nikolaus Augsten. 2016.
Anton Ebner
Bachelor's Thesis on
Database Statistics for Structured Text Files
Supervised by Nikolaus Augsten. 2016.
Now with IDS Mechatronics.
Rupert Eisl
Bachelor's Thesis on
A B+-Tree Index for Structured Text Files
Supervised by Nikolaus Augsten. 2015.
Markus Reiter
Bachelor's Thesis on
SQL Database System for Structured Text Files
Supervised by Nikolaus Augsten. 2015.
Stefan Höller
Master's Thesis on
Anfrageoptimierung in verteilten NoSQL-Datenbanken
Supervised by Nikolaus Augsten. 2015.