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Recent advances in cyclic perturbation of frequency tables

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  • Rainer Lenz

Abstract

Im Zuge der Bereitstellung vertraulicher Einzel- und Tabellendaten müssen sich Datenhalter einerseits an der bestehenden Gesetzgebung und andererseits an den Bedürfnissen ihrer Datennutzer orientieren. Im Falle von Fallzahltabellen werden traditionell so genannte prä- und posttabulare Geheimhaltungsstrategien zur bestmöglichen Erfüllung beider gegenläufigen Zielkriterien verfolgt. Bei letzteren wird eine auf den originalen Mikrodaten erzeugte Tabelle vor der Weitergabe durch spezielle Methoden der Sperrung, Rundung oder Überlagerung von Zellwerten modifiziert. Als vielversprechend hat sich die in (Duncan und Roehrig, Database Technologies: concepts, methodologies, tools and applications, pp 1823–1843, 2007) vorgeschlagene Verfahrensgruppe der zyklischen Überlagerung herausgestellt. Basierend auf Zufallszahlen wird hier eine Folge von Überlagerungsmustern, die Basiszyklen genannt werden, sukzessive zu einer Originaltabelle addiert. Im vorliegenden Beitrag werden verschiedene Varianten der zyklischen Überlagerung vorgestellt und anhand des klassischen Zielkonfliktes, der Minimierung des Informationsverlustes bei gleichzeitiger Gewährung einer ausreichenden Datensicherheit, bewertet. Copyright Springer-Verlag Berlin Heidelberg 2016

Suggested Citation

  • Rainer Lenz, 2016. "Recent advances in cyclic perturbation of frequency tables," AStA Wirtschafts- und Sozialstatistisches Archiv, Springer;Deutsche Statistische Gesellschaft - German Statistical Society, vol. 10(1), pages 37-62, February.
    • Handle: RePEc:spr:astaws:v:10:y:2016:i:1:p:37-62
    DOI: 10.1007/s11943-016-0180-6
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    References listed on IDEAS

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    1. Hans-Peter Hafner & Felix Ritchie & Rainer Lenz, 2015. "User-focused threat identification for anonymised microdata," Working Papers 20151503, Department of Accounting, Economics and Finance, Bristol Business School, University of the West of England, Bristol.
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    Cited by:

    1. Ralf Münnich, 2016. "Vorwort des Herausgebers," AStA Wirtschafts- und Sozialstatistisches Archiv, Springer;Deutsche Statistische Gesellschaft - German Statistical Society, vol. 10(1), pages 1-3, February.
    2. Ralf Thomas Münnich, 2016. "Vorwort des Herausgebers," AStA Wirtschafts- und Sozialstatistisches Archiv, Springer;Deutsche Statistische Gesellschaft - German Statistical Society, vol. 10(1), pages 1-3, February.

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    4. Rainer Lenz, 2016. "Recent advances in cyclic perturbation of frequency tables [Neue Entwicklungen in der zyklischen Überlagerung von Fallzahltabellen]," AStA Wirtschafts- und Sozialstatistisches Archiv, Springer;Deutsche Statistische Gesellschaft - German Statistical Society, vol. 10(1), pages 37-62, February.

    More about this item

    Keywords

    Confidential tabular data; Disclosure limitation; Post-tabular methods; Cyclic perturbation; Nutzung vertraulicher Daten; Tabellengeheimhaltung; Post-tabulare Methoden; Zyklische Überlagerung; C19; C81; H40; Z18;
    All these keywords.

    JEL classification:

    • C19 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Other
    • C81 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Methodology for Collecting, Estimating, and Organizing Microeconomic Data; Data Access
    • H40 - Public Economics - - Publicly Provided Goods - - - General
    • Z18 - Other Special Topics - - Cultural Economics - - - Public Policy

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