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 <item rdf:about="http://ebiquity.umbc.edu/project/html/id/34/Rei-A-Policy-Specification-Language">
  <title><![CDATA[Rei : A Policy Specification Language]]></title>
  <link>http://ebiquity.umbc.edu/project/html/id/34/Rei-A-Policy-Specification-Language</link>
  <description><![CDATA[Security is a critical problem in dynamic and open distributed
environments such as those enabled by the semantic web and pervasive computing technologies. The presence of heterogeneous entities that
are neither pre-determined nor permanent, and the lack of central
control are some of its challenges.  We believe that declarative
policies address this problem while maintaining openness and
flexibility.  We propose the use of policies defined in OWL to
constrain the behavior of entities i...]]></description>
  <dc:date>2002-04-01</dc:date>
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