1 citations · 2 across the 5 of their papers we have counts for
3 papers · 1 filter
A Horn extension of DL-Lite with NL data complexity
Janos Arpasi, Bartosz Jan Bednarczyk, Magdalena Ortiz
The literature on ontology-mediated query answering (OMQA) has been shaped by two key results: first-order rewritability for DL-Lite, and PTime-hardness of data complexity for esse…
Static Analysis of Recursive SHACL
Anouk Oudshoorn, Magdalena Ortiz, Mantas Simkus
SHACL (Shapes Constraint Language) expresses constraints on RDF data by means of so-called shapes. Its central service is validation: verifying whether a data graph complies with a…
SHACL Validation in the Presence of Ontologies: Semantics and Rewriting Techniques
Anouk Oudshoorn, Magdalena Ortiz, Mantas Simkus
SHACL and OWL are two prominent W3C standards for managing RDF data. These languages share many features, but they have one fundamental difference: OWL, designed for inferring fact…