Data Dependencies and Inference Control in Multilevel Relational Database Systems

  title={Data Dependencies and Inference Control in Multilevel Relational Database Systems},
  author={Tzong-An Su and Gultekin {\"O}zsoyoglu},
  journal={1987 IEEE Symposium on Security and Privacy},
We investigate the inference problems due to functional dependencies (FD) and multi-valued dependencies (hND) in a multilevel relational database (MDB) with attribute and record classification schemes, respectively. For FDs, we show that, to prevent compromise, the security levels of attributes must be assigned by using the knowledge of functional dependencies. Under the assumption that all the attributes in the database have been assigned classification levels according to real world… CONTINUE READING

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