Comparing logic-based and XML-based rights expression languages


Chong, Cheun Ngen and Etalle, Sandro and Hartel, Pieter H. (2003) Comparing logic-based and XML-based rights expression languages. [Report]

open access
Abstract:Several rights expression languages (RELs) have been proposed to describe licenses governing the terms and conditions of content access. In this field XrML and ODRL cover a prominent role. Both languages are powerful yet complex. In this paper we propose a way of analysing RELs and we apply it to ODRL, XrML and to LicenseScript, a REL we have proposed in [3]. In addition, we test these languages against a number of example scenarios. These examples bring new insights, and shed new light on some of the limits of XrML and ODRL.
Item Type:Report
Copyright:© 2003 CTIT
Engineering Technology (CTW)
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