77 citations · 201 across the 11 of their papers we have counts for
5 papers · 1 filter
GQL Datatypes as an RDF Vocabulary
Dominik Tomaszuk, Daniel Szałaj
The ISO GQL standard introduces a rich value-type system for property graphs, including scalar, temporal, byte-string, list, record, and dynamic union datatypes. The vocabulary pre…
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…
Common Foundations for Recursive Shape Languages
Shqiponja Ahmetaj, Iovka Boneva, Jan Hidders +9
As schema languages for RDF data become more mature, we are seeing efforts to extend them with recursive semantics, applying diverse ideas from logic programming and description lo…