Volume, Issue, Month, Year : Vol 8 , No 6 , December, 2016
ABSTRACT
A data warehouse stores secret data about the privacy of individuals and important business activities. This
makes access to this source a risk of disclosure of sensitive data. Hence the importance of implementing
security measures which guarantee the data confidentiality by establishing an access control policy. In this
direction, several propositions were made, but none are considered as a standard for access management
to data warehouses. In this article, we will present our approach that allows first to exploit the permissions
defined in the data sources in order to help the administrator to define access permissions to the data
warehouse, and then our system will automatically generate the sensitivity level of each data warehouse
element according to the permissions granted to an object in the data warehouse.
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