Extended systematic clustering: Microdata protection by distributing semsitive values

Widodo, Wahyu Catur Wibowo, Eko Kuswardono Budiardjo, Harry T.Y. Achsan

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Anonymity data for multiple sensitive attributes in microdata publishing is a growing field at present. This field has several models for anonymizing such as k-anonymity and l-diversity. Generalization and suppression became a common technique in anonymize data. But, the real problem in multiple sensitive attributes is sensitive value distribution. If sensitive values do not distribute evenly to each quasi identifier group, it is potentially revealed to sensitive value holder. This research investigated on how the high-sensitive values are distributed evenly into each group. We proposed a novel method/algorithm for distributing high-sensitive values when it forms groups. This method distributes high-sensitive values evenly and varies high-sensitive values in a group. We called our method as extended systematic clustering since it is an extension of systematic clustering method. Diversity metrics was used for evaluating our method. Experiment result showed our method outperformed systematic clustering with average diversity value 0.9719 while systematic clustering 0.3316.

Original languageEnglish
Pages (from-to)1726-1733
Number of pages8
JournalBulletin of Electrical Engineering and Informatics
Issue number4
Publication statusPublished - Aug 2020


  • Diversity value
  • Extended systematic clustering
  • High-sensitive value
  • K-anonymity


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