Abstract
Some countries use forms of random rounding as a post-tabular method to protect Census frequency counts disseminated in tables. These methods typically result in inconsistencies between aggregated internal cells to marginal totals and across same cells in different tables. A post-tabular method for perturbing frequency counts is proposed which preserves totals and corrects to a large extent inconsistencies. The perturbation is based on invariant probability transition matrices and the use of microdata keys. This method will be compared to common pre and post-tabular methods for protecting Census frequency counts. © 2008 Springer-Verlag Berlin Heidelberg.
| Original language | English |
|---|---|
| Title of host publication | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)|Lect. Notes Comput. Sci. |
| Subtitle of host publication | Eds. J. Domingo-Ferrer and Y. Saygin |
| Place of Publication | Germany |
| Publisher | Springer Nature |
| Pages | 77-89 |
| Number of pages | 12 |
| Volume | 5262 |
| DOIs | |
| Publication status | Published - 2008 |
| Event | International Conference on Privacy in Statistical Databases, PSD 2008 - Istanbul Duration: 1 Jul 2008 → … |
Other
| Other | International Conference on Privacy in Statistical Databases, PSD 2008 |
|---|---|
| City | Istanbul |
| Period | 1/07/08 → … |
Keywords
- Additivity
- Consistency
- Invariantprobability transition matrix
- Microdata keys
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