QFilter: fine-grained run-time XML access control via NFA-based query rewriting

  title={QFilter: fine-grained run-time XML access control via NFA-based query rewriting},
  author={Bo Luo and Dongwon Lee and Wang-Chien Lee and Peng Liu},
At present, most of the state-of-the-art solutions for XML access controls are either (1) document-level access control techniques that are too limited to support fine-grained security enforcement; (2) view-based approaches that are often expensive to create and maintain; or (3) impractical proposals that require substantial security-related support from underlying XML databases. In this paper, we take a different approach that assumes no security support from underlying XML databases and… CONTINUE READING
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