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cs.CL2026
Denotational Semantics for ODRL: Knowledge-Based Constraint Conflict Detection
Daham Mustafa, Diego Collarana, Yixin Peng +4
ODRL's six set-based operators -- isA, isPartOf, hasPart, isAnyOf, isAllOf, isNoneOf -- depend on external domain knowledge that the W3C specification leaves unspecified. Without i…
cs.CL2026
Axis-Aligned Semantics for ODRL: Resolving Dimensional Ambiguity in Policy Constraints
Daham Mustafa, Diego Collarana, Sabrina Kirrane +5
The Open Digital Rights Language (ODRL) represents policy constraints as triples of a left operand, an operator, and a value. Several spatial operands, however, range over multi-ax…
cs.CL2025
From Instructions to ODRL Usage Policies: An Ontology Guided Approach
Daham M. Mustafa, Abhishek Nadgeri, Diego Collarana +4
This study presents an approach that uses large language models such as GPT-4 to generate usage policies in the W3C Open Digital Rights Language ODRL automatically from natural lan…