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Entwicklung einer neuen fehlertoleranten Methode bei der Verknüpfung von personenbezogenen Datenbanken unter Gewährleistung des Datenschutzes

Development of a new method for privacy-preserving record linkage allowing for errors in identifiers
[journal article]

Schnell, Rainer
Bachteler, Tobias
Reiher, Jörg

Abstract

"Die Verknüpfung der Angaben mehrerer Datenbanken über dieselbe Person wird immer häufiger für Forschungszwecke genutzt. Aus Datenschutzgründen müssen die Identifikatoren in vielen Fällen vor der Zusammenführung verschlüsselt werden. Bisher verwendete Techniken sind hierbei ineffizient, da Fälle mit... view more

"Die Verknüpfung der Angaben mehrerer Datenbanken über dieselbe Person wird immer häufiger für Forschungszwecke genutzt. Aus Datenschutzgründen müssen die Identifikatoren in vielen Fällen vor der Zusammenführung verschlüsselt werden. Bisher verwendete Techniken sind hierbei ineffizient, da Fälle mit Fehlern in den Identifikatoren fast immer vollständig verloren gehen. Die Autoren haben ein neues Verfahren entwickelt, das trotz starker Verschlüsselung Fehler in den Identifikatoren toleriert. Testergebnisse anhand simulierter und echter Datenbestände zeigen, dass das Verfahren ähnlich gute Ergebnisse erbringt wie unverschlüsselte Identifikatoren. Das Verfahren kann für viele Probleme in der Forschungspraxis der empirischen Sozialforschung verwendet werden." (Autorenreferat)... view less


"Combining multiple databases with additional information on the same person is increasingly occurring throughout research. In many applications, identifiers have to be encrypted due to privacy concerns. Existing protocols are inefficient in actual research practice since cases with errors in identi... view more

"Combining multiple databases with additional information on the same person is increasingly occurring throughout research. In many applications, identifiers have to be encrypted due to privacy concerns. Existing protocols are inefficient in actual research practice since cases with errors in identifiers are almost always in their entirety lost. Therefore, a new protocol for privacy-preserving record linkage with encrypted identifiers allowing for errors in identifiers has been developed by the authors. The results from tests on simulated and actual databases are comparable to non-encrypted identifiers. This new technique will have many practical applications in social research." (author's abstract)... view less

Keywords
data protection; data bank; research practice; empirical social research; method; Federal Republic of Germany; procedure; data interconnection

Classification
Methods and Techniques of Data Collection and Data Analysis, Statistical Methods, Computer Methods

Method
development of methods; basic research

Document language
German

Publication Year
2009

Page/Pages
p. 203-217

Journal
Methoden, Daten, Analysen (mda), 3 (2009) 2

ISSN
2190-4936

Status
Published Version; peer reviewed

Licence
Deposit Licence - No Redistribution, No Modifications


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© 2007 - 2025 Social Science Open Access Repository (SSOAR).
Based on DSpace, Copyright (c) 2002-2022, DuraSpace. All rights reserved.