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- W3092125996 abstract "Abstract The interest in data anonymization is exponentially growing, motivated by the will of the governments to open their data. The main challenge of data anonymization is to find a balance between data utility and the amount of disclosure risk. One of the most known frameworks of data anonymization is k -anonymity, this method assumes that a dataset is anonymous if and only if for each element of the dataset, there exist at least k − 1 elements identical to it. In this paper, we propose two techniques to achieve k -anonymity through microaggregation: k -CMVM and Constrained-CMVM. Both, use topological collaborative clustering to obtain k -anonymous data. The first one determines the k levels automatically and the second defines it by exploration. We also improved the results of these two approaches by using pLVQ2 as a weighted vector quantization method. The four methods proposed were proven to be efficient using two data utility measures, the separability utility and the structural utility. The experimental results have shown a very promising performance." @default.
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- W3092125996 date "2020-10-02" @default.
- W3092125996 modified "2023-10-15" @default.
- W3092125996 title "Data Anonymization through Collaborative Multi-view Microaggregation" @default.
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- W3092125996 doi "https://doi.org/10.1515/jisys-2020-0026" @default.
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