Disclosure protection of microdata: problems and solutions
- 1 March 1992
- journal article
- Published by Wiley in Statistica Neerlandica
- Vol. 46 (1) , 5-19
- https://doi.org/10.1111/j.1467-9574.1992.tb01323.x
Abstract
National statistical offices meet an increasing demand for the dissemination of data sets containing individual data on respondents. This trend may cause problems with respect to the care taken not to disclose data about individuals. Therefore the risk of disclosure of each microdata set to be released should be assessed. If this risk is too high, measures have to be taken to protect the data set. This contribution describes the disclosure problem, and explains why it is a real problem. Using the concept of uniqueness, some theory is developed which may help to establish the risk of identification. It turns out that useful microdata sets can only be released if some of the disclosure risks are dealt with by legal arrangements, rather than by restrictions on the data to be released.Keywords
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