Cardinality-based inference control in data cubes

@article{Wang2004CardinalitybasedIC,
  title={Cardinality-based inference control in data cubes},
  author={Lingyu Wang and Duminda Wijesekera and Sushil Jajodia},
  journal={Journal of Computer Security},
  year={2004},
  volume={12},
  pages={655-692}
}
This paper addresses the inference problem in on-line analytical processing (OLAP) systems. The inference problem occurs when the exact values of sensitive attributes can be determined through answers to OLAP queries. Most existing inference control methods are computationally expensive for OLAP systems, because they ignore the special structures of OLAP queries. By exploiting such structures, we derive cardinality-based sufficient conditions for safe OLAP data cubes. Specifically, data cubes… CONTINUE READING
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