Estimating risks of identification disclosure in partially synthetic data

Reiter, Jerome P. and Mitra, Robin (2008) Estimating risks of identification disclosure in partially synthetic data. Southampton, UK, Southampton Statistical Sciences Research Institute, 11pp. (S3RI Methodology Working Papers, M08/07).


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To limit disclosures, statistical agencies and other data disseminators can release partially synthetic, public use microdata sets. These comprise the units originally surveyed, but some collected values, for example sensitive values at high risk of disclosure or values of key identifiers, are replaced with multiple draws from statistical models. Because the original records are on the file, there remain risks of identifications. In this paper, we describe how to evaluate identification disclosure risks in partially synthetic data, accounting for released information from the multiple datasets, the model used to generate synthetic values, and the approach used to select values to synthesize. We illustrate the computations using the Survey of Youths in Custody.

Item Type: Monograph (Working Paper)
Keywords: confidentiality, public use data, record linkage, survey
Subjects: H Social Sciences > HA Statistics
K Law > K Law (General)
Divisions : University Structure - Pre August 2011 > Southampton Statistical Sciences Research Institute
ePrint ID: 63393
Accepted Date and Publication Date:
3 October 2008Published
Date Deposited: 03 Oct 2008
Last Modified: 31 Mar 2016 12:47

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