Watermarking for Multilevel Access to Statistical Databases.
Josep Domingo-FerrerJosep Maria Mateo-SanzFrancesc SebéPublished in: ITCC (2001)
Keyphrases
- statistical databases
- micro aggregation
- inference control
- confidential data
- statistical data
- data perturbation
- databases
- file structure
- database
- privacy protection
- normal form
- summary tables
- watermarking scheme
- access control
- database management systems
- digital images
- watermarking algorithm
- confidential information
- aggregate data