4 papers
Data Quality Rule Generation with LLMs
Anna-Christina Glock, Thomas Hütter, Johannes Fürnkranz +3
The validation of data, such as customer and employee data, is an important task in many organizations. Errors in data can have severe consequences. For example, a wrong drug unit…
Introducing Schema Inference as a Scalable SQL Function [Extended Version]
Calvin Dani, Shiva Jahangiri, Thomas Hütter
This paper introduces a novel approach to schema inference as an on-demand function integrated directly within a DBMS, targeting NoSQL databases where schema flexibility can create…
FINEX: A Fast Index for Exact & Flexible Density-Based Clustering (Extended Version with Proofs)*
Konstantin Emil Thiel, Daniel Kocher, Nikolaus Augsten +3
Density-based clustering aims to find groups of similar objects (i.e., clusters) in a given dataset. Applications include, e.g., process mining and anomaly detection. It comes with…
JEDI: These aren't the JSON documents you're looking for... (Extended Version*)
Thomas Hütter, Nikolaus Augsten, Christoph M. Kirsch +2
The JavaScript Object Notation (JSON) is a popular data format used in document stores to natively support semi-structured data. In this paper, we address the problem of JSON simil…