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  • P241 - BTW2015 - Datenbanksysteme für Business, Technologie und Web
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D2Pt: Privacy-Aware Multiparty Data Publication

Author:
Nielsen, Jan Hendrik [DBLP] ;
Janusz, Daniel [DBLP] ;
Taeschner, Jochen [DBLP] ;
Freytag, Johann-Christoph [DBLP]
Abstract
Today, publication of medical data faces high legal barriers. On the one hand, publishing medical data is important for medical research. On the other hand, it is neccessary to protect peoples' privacy by ensuring that the relationship between individuals and their related medical data remains unknown to third parties. Various data anonymization techniques remove as little identifying information as possible to maintain a high data utility while satisfying the strict demands of privacy laws. Current research in this area proposes a multitude of concepts for data anonymization. The concept of k-anonymity allows data publication by hiding identifying information without losing its semantics. Based on k-anonymity, the concept of t-closeness incorporates semantic relationships between personal data values, therefore increasing the strength of the anonymization. However, these concepts are restricted to a centralized data source. In this paper, we extend existing data privacy mechanisms to enable joint data publication among multiple participating institutions. In particular, we adapt the concept of t-closeness for distributed data anonymization. We introduce Distributed two-Party t-closeness (D2Pt), a protocol that utilizes cryptographic algorithms to avoid a central component when anonymizing data adhering the t-closeness property. That is, without a trusted third party, we achieve a data privacy based on the notion of t-closeness.
  • Citation
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Nielsen, J. H., Janusz, D., Taeschner, J. & Freytag, J.-C., (2015). D2Pt: Privacy-Aware Multiparty Data Publication. In: Seidl, T., Ritter, N., Schöning, H., Sattler, K.-U., Härder, T., Friedrich, S. & Wingerath, W. (Hrsg.), Datenbanksysteme für Business, Technologie und Web (BTW 2015). Bonn: Gesellschaft für Informatik e.V.. (S. 105-124).
@inproceedings{mci/Nielsen2015,
author = {Nielsen, Jan Hendrik AND Janusz, Daniel AND Taeschner, Jochen AND Freytag, Johann-Christoph},
title = {D2Pt: Privacy-Aware Multiparty Data Publication},
booktitle = {Datenbanksysteme für Business, Technologie und Web (BTW 2015)},
year = {2015},
editor = {Seidl, Thomas AND Ritter, Norbert AND Schöning, Harald AND Sattler, Kai-Uwe AND Härder, Theo AND Friedrich, Steffen AND Wingerath, Wolfram} ,
pages = { 105-124 },
publisher = {Gesellschaft für Informatik e.V.},
address = {Bonn}
}
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More Info

ISBN: 978-3-88579-635-0
ISSN: 1617-5468
xmlui.MetaDataDisplay.field.date: 2015
Language: en (en)
Content Type: Text/Conference Paper
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Gesellschaft für Informatik e.V. (GI), Kontakt: Geschäftsstelle der GI
Diese Digital Library basiert auf DSpace.