The problem of disclosing private anonymous data has become increasingly serious
particularly with the possibility of carrying out deanonymisation attacks on publishing data …

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Releasing anonymized social network data for analysis has been a popular idea among
data providers. Despite evidence to the contrary the belief that anonymization will solve the …

Graphs can be used as a model for online social networks. In this framework, vertices
represent individuals and edges relationships between individuals. In recent years, different …

Re-identification and record linkage are tools used to measure disclosure risk in data
privacy. Given two data files, record linkage establishes links between those records that …

In this paper we present an overview of the results obtained by our research group within the
area of data privacy. Results focus on data-driven problems (respondent and owner privacy …

Transparency has an important effect on disclosure risk. In general, masking methods have
to be evaluated taking into account that intruders can use all available information to attack …

Re-identification methods are in common use in data privacy for disclosure risk assessment.
Record linkage is one of these re-identification methods. Given two data files, record linkage …

Abstract § Anonymity metrics have been proposed to evaluate anonymity preserving
systems by estimating the amount of information displayed by these systems due to …