Invariant post-tabular protection of census frequency counts
Shlomo, Natalie and Young, Caroline (2008) Invariant post-tabular protection of census frequency counts. In, Domingo-Ferrer, Josep and Saygin, Yücel (eds.) Privacy in Statistical Databases. UNESCO Chair in Data Privacy International Conference (PSD 2008) UK, Springer, 77-89. (Lecture Notes in Computer Science 5262/2008). (doi:10.1007/978-3-540-87471-3_7).
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Description/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.
| Item Type: | Book Section |
|---|---|
| ISBNs: | 3540874704 (paperback) 9783540874706 (paperback) |
| Related URLs: | |
| Keywords: | invariantprobability transition matrix, microdata keys, additivity, consistency |
| Subjects: | H Social Sciences > HA Statistics |
| Divisions: | University Structure - Pre August 2011 > School of Social Sciences > Social Statistics |
| Item ID: | 64422 |
| Date Deposited: | 12 Jan 2009 |
| Last Modified: | 14 May 2013 01:07 |
| Contributors: | Shlomo, Natalie (Author) Young, Caroline (Author) Domingo-Ferrer, Josep (Editor) Saygin, Yücel (Editor) |
| Date: | 2008 |
| Status: | Published |
| Publisher: | Springer |
| URI: | http://eprints.soton.ac.uk/id/eprint/64422 |
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