2006 | OriginalPaper | Buchkapitel
Disclosure Risk in Dynamic Two-Dimensional Contingency Tables (Extended Abstract)
verfasst von : Haibing Lu, Yingjiu Li, Xintao Wu
Erschienen in: Information Systems Security
Verlag: Springer Berlin Heidelberg
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Two-dimensional contingency tables are central products of many information organizations such as statistical agencies, census bureaus, and health insurance information agencies. In a contingency table, any sensitive information about individuals must be protected, while some aggregated information can be released. The disclosure risk is that the aggregated information can be used to infer some sensitive information about individuals. Since the disclosure of sensitive information may compromise privacy, confidentiality, and national interests, one needs to carefully assess the latent risk of disclosure and take effective methods to protect the data.