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The Effect of 5-anonymity on a classifier based on neural network that is applied to the adult dataset
University of Skövde, School of Informatics.
2019 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Privacy issues relating to having data made public is relevant with the introduction of the GDPR. To limit problems related to data becoming public, intentionally or via an event such as a security breach, anonymization of datasets can be employed. In this report, the impact of the application of 5-anonymity to the adult dataset on a classifier based on a neural network predicting whether people had an income exceeding $50,000 was investigated using precision, recall and accuracy. The classifier was trained using the non-anonymized data, the anonymized data, and the non-anonymized data with those attributes which were suppressed in the anonymized data removed. The result was that average accuracy dropped from 0.82 to 0.76, precision from 0.58 to 0.50, and recall increased from 0.82 to 0.87. The average values and distributions seem to support the estimation that the majority of the performance impact of anonymization in this case comes from the suppression of attributes.

Place, publisher, year, edition, pages
2019. , p. 19
Keywords [en]
Neural Network, k-anonymity, Anonymization
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:his:diva-17918OAI: oai:DiVA.org:his-17918DiVA, id: diva2:1373408
Educational program
Data Science - Master’s Programme
Supervisors
Examiners
Available from: 2019-12-18 Created: 2019-11-27 Last updated: 2019-12-18Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf