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 <section class="informative" id="intro">
 <h2>Introduction</h2>   
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+<p>Several business scenarios require to express what are the permitted and prohibited actions over digital content. These permitted/prohibited actions are usually expressed under the form of policies, i.e., entities that allow to indicate those uses and re-uses of the digital content which are comformant to the existing regulations or to the constraints assigned by the owner. Policies may also be enriched with additional information, i.e., who are the entities in charge of the definition of such policy and those who are required to conform to it, what are the additional constrains to be associated with the permissions, prohibitions and duties expressed by the policy.</p>
 <p>The ODRL Information Model defines the underlying semantic model for permissions and obligations statements describing digital content usage. The information model covers the core concepts, entities and relationships that provide the foundational model for content usage statements.</p>
 
 <section id="aimsModel">