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Abstract:
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Statistics Korea has disseminated the Census data through Statistical Geographic Information System (SGIS) since 2014. Users can easily access the system on a web-site and obtain frequency tables for each Output Area using the interactive map. However, the Local Area variable, which include Output Areas, has been provided in the public use microdata file for Census. In order to deal with the disclosure by differencing between Local Areas and Output Areas, we need to measure the disclosure risk in a rigorous manner and find an adequate solution to mask SGIS outputs. In this talk, we present the result of our project, which hopefully will be the first step to make a move for statistical disclosure control in the Statistics Korea.
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