Publications
2023
Impact of Read and Write Operations on NoSQL Schema Design: First Insights
Andrè Conrad, Uta Störl
A Language for Graph Database Evolution and its Implementation in Neo4j
Dominique Hausler, Meike Klettke, Uta Störl
Hybrid Data Management Architecture for Present Quantum Computing
Markus Zajac, Uta Störl
Services and Quantum Software (SQS) @ ICSOC 2023.
Data Modeling as a Means of Power: At the Legal and Computer Science Crossroads
Kai von Lewinski, Michael Beurskens, Stefanie Scherzinger
Computer Law & Security Review Journal, 2023.
A Plaque-Test for Redundancies in Relational Data
Christoph Köhnen, Stefan Klessinger, Jens Zumbrägel and Stefanie Scherzinger
Tagger: A Tool for the Discovery of Tagged Unions in JSON Schema Extraction
Stefan Klessinger, Michael Fruth, Valentin Gittinger, Meike Klettke, Uta Störl, Stefanie Scherzinger
Capturing Data-inherent Dependencies in JSON Schema Extraction
Stefan Klessinger
ACM SIGMOD 2023 Student Research Competition.
Negation-Closure for JSON Schema
Mohamed-Amine Baazizi, Dario Colazzo, Giorgio Ghelli, Stefanie Scherzinger, Carlo Sartiani
Journal Theoretical Computer Science, 2023.
Tuning Cassandra through Machine Learning
Florian Eppinger, Uta Störl
"FAIR" is not enough – A Metrics Framework to ensure Data Quality through Data Preparation
Valerie Restat, Meike Klettke, Uta Störl
Toward a User Empowering Architecture for Trustability Analytics
Sebastian Bruchhaus, Thoralf Reis, Marco X. Bornschlegl, Uta Störl, Matthias Hemmje
Managing Schema Migration in NoSQL Databases: Advisor Heuristics vs. Self-Adaptive Schema Migration Strategies
Andrea Hillenbrand, Uta Störl
Springer Selection of MODELSWARD, 2023.
2022
Witness Generation for JSON Schema
Lyes Attouche, Mohamed Amine Baazizi, Dario Colazzo, Giorgio Ghelli, Carlo Sartiani, Stefanie Scherzinger
VLDB 2022.
On the Lack of Legal Regulation in Conceptual Modeling
Kai von Lewinski, Stefanie Scherzinger
Metamodels to Support Database Migration between Heterogeneous Data Stores
André Conrad, Philipp Utzmann, Meike Klettke, Uta Störl
Models and Evolution (ME)@MODELS 2022.
Implementation Aspects for Linking Data in Hybrid Quantum Applications
Markus Zajac, Michelle Dang, Uta Störl
Extracting JSON Schemas with Tagged Unions
Stefan Klessinger, Meike Klettke, Uta Störl, Stefanie Scherzinger
Beyond the Badge: Reproducibility Engineering as a Lifetime Skill
Wolfgang Mauerer, Stefan Klessinger, Stefanie Scherzinger
Towards quantum-based Search for industrial Data-driven Services
Markus Zajac, Uta Störl
Towards "all-inclusive" Data Preparation to ensure Data Quality
Valerie Restat
GouDa - Generation of universal Data Sets
Valerie Restat, Gerrit Boerner, André Conrad, Uta Störl
Towards a Holistic Data Preparation Tool
Valerie Restat, Meike Klettke, Uta Störl
Darwin: A Data Platform for Schema Evolution Management and Data Migration
Uta Störl, Meike Klettke
Automated Curation of Variational Data in NoSQL Databases Through Metric-Driven Self-Adaptive Migration Strategies
Andrea Hillenbrand, Uta Störl
2021
Four Generations in Data Engineering for Data Science - The Past, Presence and Future of a Field of Science
Meike Klettke, Uta Störl
Kurz erklärt: Measuring Data Changes in Data Engineering and their Impact on Explainability and Algorithm Fairness
Meike Klettke, Adrian Lutsch, Uta Störl
Towards Automated Schema Optimization
André Conrad, Sebastian Gärtner, Uta Störl
Remaining in Control of the Impact of Schema Evolution in NoSQL Databases
Andrea Hillenbrand, Stefanie Scherzinger, Uta Störl
EvoBench: Benchmarking Schema Evolution in NoSQL?
André Conrad, Mark Lukas Möller, Tobias Kreiter, Jan-Christopher Mair, Meike Klettke, Uta Störl
MigCast in Monte Carlo: The Impact of Data Model Evolution in NoSQL Databases
Andrea Hillenbrand, Uta Störl, Shamil Nabiyev, Stefanie Scherzinger
CoRR abs/2104.11787, 2021.
Self-Adapting Data Migration in the Context of Schema Evolution in NoSQL Databases
Andrea Hillenbrand, Uta Störl, Shamil Nabiyev, Meike Klettke
An Empirical Study of Open Data JSON Files
Mark Lukas Möller, Nic Scharlau and Meike Klettke
Towards a Theory of Models in Systems Development Modeling
Andrea Hillenbrand
A Tool for JSON Schema Witness Generation
Lyes Attouche, Mohamed-Amine Baazizi, Dario Colazzo, Francesco Falleni, Giorgio Ghelli, Christiano Landi, Carlo Sartiani, Stefanie Scherzinger
BDA 2021. Demo program.
Evolution management in multi-model databases
Irena Holubová, Michal Vavrek, Stefanie Scherzinger
Data & Knowledge Engineering.
A Test Suite for JSON Schema Containment
Lyes Attouche, Mohamed-Amine Baazizi, Dario Colazzo, Yunchen Ding, Michael Fruth, Giorgio Ghelli, Carlo Sartiani and Stefanie Scherzinger
ER 2021 demo program.
New Workflows in NoSQL Schema Management
Michael Fruth, Kai Dauberschmidt and Stefanie Scherzinger
SEAData@VLDB 2021.
An Empirical Study on the "Usage of Not" in Real-World JSON Schema Documents
Mohamed-Amine Baazizi, Dario Colazzo, Giorgio Ghelli, Carlo Sartiani and Stefanie Scherzinger
ER 2021.
A Tool for JSON Schema Witness Generation
Lyes Attouche, Mohamed-Amine Baazizi, Dario Colazzo, Francesco Falleni, Giorgio Ghelli, Cristiano Landi, Carlo Sartiani, Stefanie Scherzinger
Demo at EDBT 2021.
Nullius in Verba: Reproducibility for Database Systems Research, Revisited
Wolfgang Mauerer, Stefanie Scherzinger
Tutorial at ICDE 2021.
DeBinelle: Semantic Patches for Coupled Database-Application Evolution
Stefanie Scherzinger, Wolfgang Mauerer, Haridimos Kondylakis
Demo at ICDE 2021.
Josch: Managing Schemas for NoSQL Document Stores
Michael Fruth, Kai Dauberschmidt, Stefanie Scherzinger
Demo at ICDE 2021.
2020
EvoBench - A Framework for Benchmarking Schema Evolution in NoSQL
Mark Lukas Möller, Meike Klettke and Uta Störl
An Empirical Study on the Design and Evolution of NoSQL Database Schemas
Stefanie Scherzinger, Sebastian Sidortschuck
ER 2020. Best Paper Award
Challenges in Checking JSON Schema Containment over Evolving Real-World Schemas
Michael Fruth, Mohamed-Amine Baazizi, Dario Colazzo, Giorgio Ghelli, Carlo Sartiani and Stefanie Scherzinger
Replicability and Reproducibility of a Schema Evolution Study in Embedded Databases
Dimitri Braininger, Wolfgang Mauerer and Stefanie Scherzinger
Not Elimination and Witness Generation for JSON Schema
Mohamed-Amine Baazizi, Dario Colazzo, Giorgio Ghelli, Carlo Sartiani and Stefanie Scherzinger
BDA 2020. Best Paper Award
Why it is Time for yet another Schema Evolution Benchmark
Mark Lukas Möller, Stefanie Scherzinger, Meike Klettke and Uta Störl
Towards Self-Adapting Data Migration in the Context of Schema Evolution in NoSQL Databases.
Andrea Hillenbrand, Uta Störl, Maksym Levchenko, Shamil Nabiyev, Meike Klettke
Tutorial: NoSQL Schema Evolution and Data Migration: State-of-the-Art and Opportunities
Uta Störl, Meike Klettke, Stefanie Scherzinger
EDBT 2020.
2019
Query Rewriting for Continuously Evolving NoSQL Databases.
Mark Lukas Möller, Meike Klettke, Andrea Hillenbrand, Uta Störl
ER 2019.
What are Real JSON Schemas Like?
Benjamin Maiwald, Benjamin Riedle, Stefanie Scherzinger
EmpER@ER 2019.
Mark Lukas Möller, Meike Klettke, Uta Störl
LWDA 2019
Evolution Management of Multi-Model Data.
Irena Holubova, Meike Klettke, Uta Störl
Poly/DMHA@VLDB 2019
Unlocking the Potential of NextGen Multi-Model Databases for Semantic Big Data Projects
Irena Holubova, Stefanie Scherzinger
SBD@SIGMOD 2019.
MigCast: Putting a Price Tag on Data Model Evolution in NoSQL Data Stores
Andrea Hillenbrand, Marksym Levchenko, Uta Störl, Stefanie Scherzinger, Meike Klettke
Demo at SIGMOD 2019.
MM-evolver: A Multi-Model Evolution Management Tool
Michal Vavrek, Irena Holubova, Stefanie Scherzinger
Demo at EDBT 2019.
jHound: Large-Scale Profiling of Open JSON Data
Mark Lukas Möller, Nicolas Berton, Meike Klettke, Stefanie Scherzinger, Uta Störl
Demo at BTW 2019.
2018
Curating Variational Data in Application Development
Uta Störl, Daniel Müller, Julian Stenzel, Alexander Tekleab, Stephane Tolale, Meike Klettke, Stefanie Scherzinger
Demo at ICDE 2018 demo.
In for a Surprise when Migrating NoSQL Data
Uta Störl, Alexander Tekleab, Meike Klettke, Stefanie Scherzinger
Lightning Talk at ICDE 2018.
2017
Uncovering the Evolution History of Data Lakes
Meike Klettke, Hannes Awolin, Uta Störl, Daniel Müller, Stefanie Scherzinger
SCDM@IEEE BigData 2017.
Enabling Efficient Agile Software Development of NoSQL-backed Applications
Uta Störl, Daniel Müller, Meike Klettke, Stefanie Scherzinger
Demo at BTW 2017.
ControVol Flex: Flexible Schema Evolution for NoSQL Application Development
Florian Haubold, Johannes Schildgren, Stefanie Scherzinger, Stefan Deßloch
Demo at BTW 2017.
2016
NoSQL Schema Evolution and Big Data Migration at Scale
Meike Klettke, Uta Störl, Manuel Shenavai, Stefanie Scherzinger
SCDM@IEEE Big Data 2016.
Challenges with Continuous Deployment of NoSQL-backed Database Applications
Meike Klettke, Uta Störl, Stefanie Scherzinger, Stephanie Sombach, Katharina Wiech
Presentation at "Herbsttreffen der Fachgruppe Datenbanken"@LWDA 2016.
Herausforderungen bei der Anwendungsentwicklung mit schema-flexiblen NoSQL-Datenbanken
Meike Klettke, Uta Störl, Stefanie Scherzinger
HMD Praxis der Wirtschaftsinformatik, Volume 53, Issue 4, August 2016.
Datalution: A Tool for Continuous Schema Evolution in NoSQL-backed Web Applications [preprint]
Stefanie Scherzinger, Stephanie Sombach, Katharina Wiech, Meike Klettke, Uta Störl
Demo at QUDOS@ISSTA 2016.
A Datalog-based Tool for Schema Evolution in NoSQL Databases
Katharina Wiech, Stephanie Sombach, Stefanie Scherzinger
Poster at XP 2016. Watch our movie.
Data Model Evolution using Object-NoSQL Mappers: Folklore or State-of-the-Art?
Andreas Ringlstetter, Stefanie Scherzinger, Tegawendé F. Bissyandé
BIGDSE@ICSE 2016.
Finding and Fixing Type Mismatches in the Evolution of Object-NoSQL Mappings
Stefanie Scherzinger, Eduardo Cunha de Almeida, Thomas Cerqueus, Leandro Batista de Almeida, Pedro Holanda
Demo at DIACHRON@EDBT 2016.
Kurz erklärt: Objekt-NoSQL Mapping
Uta Störl, Meike Klettke, Stefanie Scherzinger
Datenbankspektrum, March 2016, Volume 16, Issue 1, pp 83-87.
2015
A Datalog-based Protocol for Lazy Data Migration in Agile NoSQL Application Development [errata version]
Stefanie Scherzinger, Uta Störl, Meike Klettke
Kontrolliertes Schema-Evolutionsmanagement für NoSQL-Datenbanksysteme
Uta Störl, Meike Klettke and Stefanie Scherzinger
"Herbsttreffen der Fachgruppe Datenbanken"@LWA 2015.
ControVol: Let yesterday's data catch up with today's application code
T. Cerqueus, E. Cunha de Almeida, S. Scherzinger
Poster at WWW 2015.
Safely Managing Data Variety in Big Data Software Development
T. Cerqueus, E. Cunha de Almeida, S. Scherzinger
BIGDSE@ICSE 2015.
ControVol: A Framework for Controlled Schema Evolution in NoSQL Application Development
S. Scherzinger, T. Cerqueus, E. Cunha de Almeida
Demo at ICDE 2015.
Schema Extraction and Structural Outlier Detection for NoSQL Data Stores
Meike Klettke, Uta Störl, Stefanie Scherzinger
BTW 2015.
Schemaless NoSQL Data Stores – Object-NoSQL Mappers the Rescue?
Uta Störl, Thomas Hauf, Meike Klettke, Stefanie Scherzinger
BTW 2015.
Cleager: Eager Schema Evolution in NoSQL Document Stores
Stefanie Scherzinger, Meike Klettke, Uta Störl
Demo at BTW 2015.
2014
Datenbanken ohne Schema? Herausforderungen und Lösungs-Strategien
in der agilen Anwendungsentwicklung mit schema-flexiblen NoSQL-Datenbanksystemen
Meike Klettke, Stefanie Scherzinger, Uta Störl.
Datenbankspektrum Volume 14, 2, July 2014.
2013
Managing Schema Evolution in NoSQL Data Stores
Stefanie Scherzinger, Meike Klettke, Uta Störl