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Towards Inter-temporal Privacy Metrics
Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Computer Science. (Datavetenskap, Computer Science)
2011 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Informational privacy of individuals has significantly gained importance after information technology has become widely deployed. Data, once digitalised, can be copied and distributed at negligible costs. This has dramatic consequences for individuals that leave traces in form of personal data whenever they interact with information technology. The right of individuals for informational privacy, in particular to control the flow and use of their personal data, is easily undermined by those controlling the information technology.

The objective of this thesis is the measurement of informational privacy with a particular focus on scenarios where an individual discloses personal data to a second party, the data controller, which uses this data for re-identifying the individual within a set of others, the population. Several instances of this scenario are discussed in the appended papers, most notably one which adds a time dimension to the scenario for modelling the effects of the time passed between data disclosure and usage. This extended scenario leads to a new framework for inter-temporal privacy metrics.

The common dilemma of all privacy metrics is their dependence on the information available to the data controller. The same information may or may not be available to the individual and, as a consequence, the individual may be misguided in his decisions due to his limited access to the data controller’s information when using privacy metrics. The goal of this thesis is thus not only the specification of new privacy metrics, but also the contribution of ideas for mitigating this dilemma. However a solution will rather be a combination of technological, economical and legal means than a purely technical solution.

Place, publisher, year, edition, pages
Karlstad: Karlstad University , 2011. , 17 p.
Series
Karlstad University Studies, ISSN 1403-8099 ; 2011:25
Keyword [en]
privacy, unlinkability, metrics, uncertainty, valuation process, domain-specific language, anonymous communication
National Category
Computer Science
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-7319ISBN: 978-91-7063-357-7OAI: oai:DiVA.org:kau-7319DiVA: diva2:410860
Presentation
2011-05-23, Sjöströmsalen 1B309, Karlstads universitet, Karlstad, 13:00 (English)
Opponent
Supervisors
Available from: 2011-05-26 Created: 2011-04-15 Last updated: 2011-10-06Bibliographically approved
List of papers
1. Linkability Estimation Between Subjects and Message Contents Using Formal Concepts
Open this publication in new window or tab >>Linkability Estimation Between Subjects and Message Contents Using Formal Concepts
2007 (English)In: Proceedings of the 2007 ACM Workshop on Digital identity management (DIM), New York: ACM , 2007, 36-45 p.Conference paper (Refereed)
Place, publisher, year, edition, pages
New York: ACM, 2007
National Category
Computer Science
Research subject
Computer Science
Identifiers
urn:nbn:se:kau:diva-7443 (URN)10.1145/1314403.1314410 (DOI)978-1-59593-889-3 (ISBN)
Available from: 2011-05-23 Created: 2011-05-23 Last updated: 2014-11-25Bibliographically approved
2. Data Retention and Anonymity Services: Introducing a New Class of Realistic Adversary Models
Open this publication in new window or tab >>Data Retention and Anonymity Services: Introducing a New Class of Realistic Adversary Models
2009 (English)In: The Future of Identity in the Information Society, Springer , 2009, 92-106 p.Conference paper (Refereed)
Place, publisher, year, edition, pages
Springer, 2009
Series
, IFIP Advances in Information and Communication Technology, ISSN 1868-4238 ; vol 298
National Category
Computer Science
Research subject
Computer Science
Identifiers
urn:nbn:se:kau:diva-7452 (URN)10.1007/978-3-642-03315-5_7 (DOI)978-3-642-03314-8 (ISBN)
Conference
4th IFIP WG 9.2, 9.6/11.6, 11.7/FIDIS International Summer School
Available from: 2011-05-25 Created: 2011-05-25 Last updated: 2014-11-25Bibliographically approved
3. Valuating Privacy with Option Pricing Theory
Open this publication in new window or tab >>Valuating Privacy with Option Pricing Theory
2010 (English)In: Economics of Information Security and Privacy / [ed] Tyler Moore, David Pym, Christos Ioannidis, London: Springer , 2010, 187-210 p.Conference paper (Refereed)
Place, publisher, year, edition, pages
London: Springer, 2010
National Category
Computer Science
Research subject
Computer Science
Identifiers
urn:nbn:se:kau:diva-7453 (URN)10.1007/978-1-4419-6967-5_10 (DOI)978-1-4419-6966-8 (ISBN)
Conference
The Eighth Workshop on the Economics of Information Security
Available from: 2011-05-25 Created: 2011-05-25 Last updated: 2011-10-13Bibliographically approved
4. Towards a Formal Language for Privacy Options
Open this publication in new window or tab >>Towards a Formal Language for Privacy Options
2011 (English)In: Privacy and Identity Management for Life / [ed] Simone Fischer-Hübner, Penny Duquenoy, Marit Hansen, Ronald Leenes & Ge Zhang, Springer, 2011, 27-40 p.Conference paper (Refereed)
Place, publisher, year, edition, pages
Springer, 2011
Series
, IFIP Advances in Information and Communication Technology, 352
National Category
Computer Science
Research subject
Computer Science
Identifiers
urn:nbn:se:kau:diva-7454 (URN)10.1007/978-3-642-20769-3_3 (DOI)000300068100003 ()
Conference
6th IFIP WG 9.2, 9.6/11.7, 11.4, 11.6/PrimeLife International Summer School, Helsingborg, Sweden, August 2-6, 2010
Available from: 2011-05-25 Created: 2011-05-25 Last updated: 2016-08-09Bibliographically approved

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