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  <title>UMBC ebiquity research group</title>
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 <item rdf:about="http://ebiquity.umbc.edu/event/html/id/366/Group-Centric-Information-Sharing-Model-for-Social-Networks">
  <title><![CDATA[Group Centric Information Sharing Model for Social Networks]]></title>
  <link>http://ebiquity.umbc.edu/event/html/id/366/Group-Centric-Information-Sharing-Model-for-Social-Networks</link>
  <description><![CDATA[Social networking platforms like Facebook are immensely popular and help users to collaborate and share information in real time. However information sharing and privacy go hand in hand and It is very hard to define the term privacy infringement.  

Amit Mahale and Pradeep Chinnam will review G-sis,a new group centric information sharing model [1] being developed by Ravi Sandhu and colleagues. While traditional approach to information sharing focus on attaching attributes and policies to ob...]]></description>
  <dc:date>2010-09-28</dc:date>
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 <item rdf:about="http://ebiquity.umbc.edu/event/html/id/284/Tutorial-on-XACML">
  <title><![CDATA[Tutorial on XACML]]></title>
  <link>http://ebiquity.umbc.edu/event/html/id/284/Tutorial-on-XACML</link>
  <description><![CDATA[Most of the organizations follow security policies to maintain security on
their systems. Policies may be enforced at many points of enforcement
within the organization. It was difficult to manage policies for
consistency across all systems, so it was necessary to have a common
language in which to express these policies.
The eXtensible Access Control Markup Language (XACML) is an XML-based
standard that provides a policy language and an access control
decision/response language for ma...]]></description>
  <dc:date>2009-02-18</dc:date>
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