11 papers · 1 filter
A Formally Grounded ODRL Evaluator: Implementation and Comparison
Jaime Osvaldo Salas, Paolo Pareti, Adeel Aslam +2
The ODRL policy language is emerging as the de-facto standard for policy modelling data access and usage preferences, AI governance policies and data workflows in European dataspac…
ODRL Policy Comparison Through Normalisation
Jaime Osvaldo Salas, Paolo Pareti, George Konstantinidis
The ODRL language has become the standard for representing policies and regulations for digital rights. However its complexity is a barrier to its usage, which has caused many rela…
Evaluation and Comparison Semantics for ODRL
Jaime Osvaldo Salas, Paolo Pareti, Semih Yumuşak +3
We consider the problem of evaluating, and comparing computational policies in the Open Digital Rights Language (ODRL), which has become the de facto standard for governing the acc…
SHACL Validation under Graph Updates (Extended Paper)
Shqiponja Ahmetaj, George Konstantinidis, Magdalena Ortiz +2
SHACL (SHApe Constraint Language) is a W3C standardized constraint language for RDF graphs. In this paper, we study SHACL validation in RDF graphs under updates. We present a SHACL…
SHACL2FOL: An FOL Toolkit for SHACL Decision Problems
Paolo Pareti
Recent studies on the Shapes Constraint Language (SHACL), a W3C specification for validating RDF graphs, rely on translating the language into first-order logic in order to provide…
A Review of SHACL: From Data Validation to Schema Reasoning for RDF Graphs
Paolo Pareti, George Konstantinidis
We present an introduction and a review of the Shapes Constraint Language (SHACL), the W3C recommendation language for validating RDF data. A SHACL document describes a set of cons…