Distance-based record linkage (DBRL) is a common approach to empirically assessing the disclosure risk in SDC-protected microdata. Usually, the Euclidean distance is used. In this paper, we explore the potential advantages of using the Mahalanobis distance for DBRL. We illustrate our point for partially synthetic microdata and show that, in some cases, Mahalanobis DBRL can yield a very high re-identification percentage, far superior to the one offered by other record linkage methods.
CITATION STYLE
Torra, V., Abowd, J. M., & Domingo-Ferrer, J. (2006). Using mahalanobis distance-based record linkage for disclosure risk assessment. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4302, pp. 233–242). Springer Verlag. https://doi.org/10.1007/11930242_20
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