Preserving Privacy in On-Line Analytical Processing (OLAP) by Lingyu Wang, Sushil Jajodia, Duminda Wijesekera.
On-Line Analytic Processing (OLAP) systems usually need to meet two conflicting goals. First, the sensitive data stored in underlying data warehouses must be kept secret. Second, analytical queries about the data must be allowed for decision support purposes. The main challenge is that sensitive dat...
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