3 papers
cs.LO2026
What Does ODRL Mean? A Cross-Level Ontological Grounding of Permissions, Prohibitions, and Duties in UFO-L
Daham M. Mustafa, Christoph Lange, Giancarlo Guizzardi +3
ODRL policy evaluators produce verdicts, but say nothing about the normative positions a policy brings into existence, the authority structures those positions presuppose, or who h…
cs.LO2026
Sort-Stratified Semantics for Temporal Conflict Detection in ODRL Policies
Daham M. Mustafa, Diego Collarana, Sabrina Kirrane +5
In the Open Digital Rights Language (ODRL), temporal constraints range over two sorts, instants and durations, but the comparison operators do not distinguish them. The same operat…
cs.DB2025
XFSC: A Catalogue of Trustable Semantic Metadata for Data Services and Providers
Benedikt T. Arnold, Khalil Baydoun, Diego Collarana +7
In dataspaces, federation services facilitate key functions such as enabling participating organizations to establish mutual trust and assisting them in discovering data and servic…