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Tools for Achieving Usable Ex Post Transparency: A Survey
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science (from 2013). (Privacy and Security, PRISEC)
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science (from 2013). (Privacy and Security, PRISEC)ORCID iD: 0000-0002-6938-4466
2017 (English)In: IEEE Access, E-ISSN 2169-3536, Vol. 5, p. 22965-22991Article in journal (Refereed) Published
Abstract [en]

Transparency of personal data processing is a basic privacy principle and a right that is well acknowledged by data protection legislation, such as the EU general data protection regulation (GDPR). The objective of ex post transparency enhancing tools (TETs) is to provide users with insight about what data have been processed about them and what possible consequences might arise after their data have been revealed, that is, ex post. This survey assesses the state of the art in scientific literature of the usability of ex post TETs enhancing privacy and discusses them in terms of their common features and unique characteristics. The article first defines the scope of usable transparency in terms of relevant privacy principles for providing transparency by taking the GDPR as a point of reference, and usability principles that are important for achieving transparency. These principles for usable transparency serve as a reference for classifying and assessing the surveyed TETs. The retrieval and screening process of the publications is then described, as is the process for deriving the subsequent classification of the characteristics of the TETs. The survey not only looks into what is made transparent by the TETs but also how transparency is actually achieved. A main contribution of this survey is a proposed classification that assesses the TETs based on their functionality, implementation and evaluation as described in the literature. It concludes by discussing the trends and limitations of the surveyed TETs in regard to the defined scope of usable TETs and shows possible directions of future research for addressing these gaps. This survey provides researchers and developers of privacy enhancing technologies an overview of the characteristics of state of the art ex post TETs, on which they can base their work.

Place, publisher, year, edition, pages
IEEE, 2017. Vol. 5, p. 22965-22991
Keywords [en]
GDPR, HCI, privacy, transparency, usability, visualization
National Category
Computer Sciences
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-65290DOI: 10.1109/ACCESS.2017.2765539ISI: 000415170200021OAI: oai:DiVA.org:kau-65290DiVA, id: diva2:1161221
Projects
Privacy&Us
Funder
EU, Horizon 2020Available from: 2017-11-29 Created: 2017-11-29 Last updated: 2019-10-21Bibliographically approved
In thesis
1. Towards Usable Transparency via Individualisation
Open this publication in new window or tab >>Towards Usable Transparency via Individualisation
2019 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

The General Data Protection Regulation grants data subjects the legal rights of transparency and intervenability. Ex post transparency provides users of data services with insight into how their personal data have been processed, and potentially clarifies what consequences will or may arise due to the processing of their data. Technological artefacts, ex post transparency-enhancing tools (TETs) convey such information to data subjects, provided the TETs are designed to suit the predisposition of their audience. Despite being a prerequisite for transparency, however, many of the TETs available to date lack usability in that their capabilities do not reflect the needs of their final users.

The objective of this thesis is therefore to systematically apply the concept of human-centred design to ascertain design principles that demonstrably lead to the implementation of a TET that facilitates ex post transparency and supports intervenability. To this end, we classify the state of the art of usable ex post TETs published in the literature and discuss the gaps therein. Contextualising our findings in the domain of fitness tracking, we investigate to what extent individualisation can help accommodate the needs of users of online mobile health services. We introduce the notion of privacy notifications as a means to inform data subjects about incidences worthy of their attention and examine how far privacy personas reflect the preferences of distinctive groups of recipients. We suggest a catalogue of design guidelines that can serve as a basis for specifying context-sensitive requirements for the implementation of a TET that leverages privacy notifications to facilitate ex post transparency, and which also serve as criteria for the evaluation of a future prototype.

Place, publisher, year, edition, pages
Karlstad: Karlstads universitet, 2019. p. 140
Series
Karlstad University Studies, ISSN 1403-8099 ; 2019:8
Keywords
Data transparency, General Data Protection Regulation (GDPR), Human-centred design, Human-computer interaction (HCI), Information privacy, Intervenability, Mobile health (mhealth), Transparency-enhancing tool (TET), Usability
National Category
Human Computer Interaction Interaction Technologies Media and Communication Technology
Research subject
Computer Science
Identifiers
urn:nbn:se:kau:diva-71120 (URN)978-91-7867-003-1 (ISBN)978-91-7867-008-6 (ISBN)
Presentation
2019-05-23, 1B309, Karlstad university, Karlstad, 10:00 (English)
Opponent
Supervisors
Funder
EU, Horizon 2020, 675730
Note

Paper 2 ingick som manuskript i avhandlingen, nu publicerad.

Available from: 2019-05-02 Created: 2019-02-28 Last updated: 2019-09-18Bibliographically approved

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Murmann, PatrickFischer-Hübner, Simone

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