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    STUDIA INFORMATICA - Issue no. Sp.Issue 1 / 2009  
         
  Article:   AN OVERVIEW OF DISTRIBUTED USAGE CONTROL - EXTENDED ABSTRACT -.

Authors:  ALEXANDER PRETSCHNER.
 
       
         
  Abstract:   Usage control generalizes access control to what happens to data in
the future (delete after thirty days," do not copy," otify owner upon ac-
cess.") Distributed usage control is about defining and enforcing usage control
requirements on data after giving it away. It is relevant in the areas of data pro-
tection, the management of intellectual property, the management of secrets, and
compliance with regulations. In this extended abstract, we provide an overview
of the field. We introduce fundamental concepts, requirements, policy specifi-
cations, policy analyses, dissemination models, the enforcement of usage control
requirements at different levels of abstraction, and the challenges ahead.

Key words and phrases. Access Control, Usage Control, Enforcement, Policies, Trust.
 
         
     
         
         
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