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ThinkMind // ICDS 2020, The Fourteenth International Conference on Digital Society // View article icds_2020_1_40_18006


On Protecting Microdata in Open Data Settings from a Data Utility Perspective

Authors:
Afshin Amighi
Mortaza Shoae Bargh
Sunil Choenni
Alexander Latenko
Ronald Meijer

Keywords: Data Protection; Disclosure Scenarios; Microdata; Statistical Disclosure Control

Abstract:
In modern societies, opening data is playing a crucial role in innovations and economic growth. Public organizations and private enterprises constantly are collecting data. To support the growth of societies, these organizations and enterprises intend to be more active in data opening. However, disclosure of personal data is one of the main threats for data opening. Data transformation techniques for Statistical Disclosure Control (SDC) aim at removing personal data while maintaining the utility of the data at an acceptable level. Applying SDC methods always faces the struggle of maintaining a balance between data utility and personal disclosure risk. In this research, we investigate different options for a common set of transformations for protecting microdata. We study a set of common scenarios which target (or specify) two types of data environments (i.e., those with and without the original microdata sets) and two approaches for privacy protection (i.e., those based on normative heuristics and a formal approach). Employing ARX, we run a series of experiments to observe the behaviours of various measurement factors. At the end, we discuss the consequences of choosing each of the options that can be used by policymakers for opening privacy-sensitive microdata sets.

Pages: 20 to 29

Copyright: Copyright (c) IARIA, 2020

Publication date: March 22, 2020

Published in: conference

ISSN: 2308-3956

ISBN: 978-1-61208-760-3

Location: Valencia, Spain

Dates: from November 21, 2020 to November 25, 2020

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