Query-preserving watermarking of relational databases and XML documents

  title={Query-preserving watermarking of relational databases and XML documents},
  author={David Gross-Amblard},
Watermarking allows robust and unobtrusive insertion of information in a digital document. Very recently, techniques have been proposed for watermarking relational databases or XML documents, where information insertion must preserve a specific measure on data (e.g. mean and variance of numerical attributes.)In this paper we investigate the problem of watermarking databases or XML while preserving a set of parametric queries in a specified language, up to an acceptable distortion.We first… CONTINUE READING
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