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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…