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Security features must be addressed when escalating a distributed database. The choice between the object oriented and the relational data model, several factors should be considered. The most important of these factors are single and multilevel access controls (MAC), protection and integrity maintenance. While determining which distributed database replica(More)
It is clear that in today's organizations, new and existing applications require access to data stored in several preexisting databases held at several local and remote locations. Therefore, a main criterion required by most complex organizations, is the provision of collaboration possibilities and information integration mechanisms among distributed,(More)
A virtual patient record is an ideal electronic health record (EHR) that is decentralised and contains heterogeneous clinical data. Extensible markup language (XML) is a web standard that has become the major driver towards heterogeneous systems integration for any industry solution. This work focuses on creating an XML schema that operates as an interface(More)
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