4 papers · 1 filter
sheval: An RDF data shapes evaluation tool and test-suite for recursive shapes
Shqiponja Ahmetaj, Iovka Boneva, Jan Hidders +8
Two different languages have been developed to validate RDF data based on the concept of a shape: ShEx and SHACL. In each language it is possible to define a shape that refers to i…
Validation of graph databases against PG-Schema
Jacek Ciszewski, Jakub Kłos, Maxime Jakubowski +2
The problem of validating a given graph database instance against a given PG-Schema graph type without integrity constraints is NP- complete in terms of combined complexity and in…
A Community Survey on SHACL and ShEx: Briding Gaps in RDF Validation
Maxime Jakubowski, Dominik Tomaszuk, Katja Hose
This paper examines RDF validation practices and challenges to understand stakeholder applications, their needs, and identify areas for improvement in technologies and methodologie…
Graph-Native Normalization
Johannes Schrott, Maxime Jakubowski, Katja Hose
In recent years, knowledge graphs (KGs) - in particular in the form of labeled property graphs (LPGs) - have become essential components in a broad range of applications. Although…