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Geographically intelligent disclosure control for flexible aggregation of census data

By Caroline Young, David Martin and Chris J. Skinner


This paper describes a geographically intelligent approach to disclosure control for protecting flexibly aggregated census data. Increased analytical power has stimulated user demand for more detailed information for smaller geographical areas and customized boundaries. Consequently, it is vital that improved methods of statistical disclosure control are developed to protect against the increased disclosure risk. Traditionally methods of statistical disclosure control have been aspatial in nature. Here we present a geographically intelligent approach that takes into account the spatial distribution of risk. We describe empirical work illustrating how the flexibility of this new method, called local density swapping, is an improved alternative to random record swapping in terms of risk–utility

Topics: G Geography (General), HA Statistics
Publisher: Taylor & Francis
Year: 2009
DOI identifier: 10.1080/13658810801949835
OAI identifier:
Provided by: LSE Research Online
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