Examples of ODRL in a sentence
Among these standards is ODRL as a Rights Expression Language, dis- cussed above.
ODRL, for instance, is facing a legal challenge, as ContentGuard, the company that developed XrML, claims that its patents on XrML cover any rights expression language, including ODRL.
As noted, ODRL faces legal challenges because ContentGuard, the company that developed XrML, claims that ODRL infringes its patents.Open standards are often perceived as the preferred way to achieve DRM interoperability.
ODRL can be seen as the open-source, license-free equivalent to commercial XrML.21 In fact, ODRL is in many respects similar to MPEG 21/5.22 It is suc- cessfully used in the area of mobile devices and has been adopted by the Open Mobile Alliance (OMA) as the REL for its DRM specification.Despite initial successes, observers doubt whether XrML or ODRL are likely to become an accepted standard for expressing usage rights in DRM systems any time soon.23 First, each approach reportedly has its own prob- lems.
A version of XrML is also used in Microsoft’s DRM systems.• Open Digital Rights Language (ODRL): In digital media, one of XrML›s main competitors is ODRL.
This language is focusing on data handling and access control but lacks important features to enable multi-hop data handling.In this evaluation, we decided not to address technologies related to Us- age Control and Right Expression such as eXtensible rights Markup Language (XrML) [9], Obligation Specification Language (OSL) [17], MPEG-21 REL [25], or Open Digital Rights Language (ODRL) [15].
Operational semantics of an extension of ODRL able to express obligations.
Working drafts of ODRL v2.0, however, do not make this assump- tion and instead allow rights to contain prohibitions that explicitly prohibit actions.Figure 5 shows an example ODRL v1.1 rights document.
Considering the extensible nature of RDF, the profile can easily be extended with additional vocab- ulary and constraints in order to extend this work to not only include other articles of the GDPR but also to model other legislation.The second issue is the adequacy of the mapping from ODRL to InstAL.
OMA defines its own rights expression language and data dictionary, both based on ODRL ones.Although ODRL permits the creation of licenses with a structure very similar to MPEG-21 REL ones, the subset defined by OMA DRM REL is more limited.