Managing trust in a peer-2-peer information system
Proceedings of the tenth international conference on Information and knowledge management
On-line trust: concepts, evolving themes, a model
International Journal of Human-Computer Studies - Special issue: Trust and technology
Security and Usability
A survey of trust and reputation systems for online service provision
Decision Support Systems
A privacy recommendation wizard for users of social networking sites
Proceedings of the 17th ACM conference on Computer and communications security
HCSE'10 Proceedings of the Third international conference on Human-centred software engineering
Integrating multi-source user data to enhance privacy in social interaction
Proceedings of the 13th International Conference on Interacción Persona-Ordenador
Privacy-preserving concepts for supporting recommendations in decentralized OSNs
Proceedings of the 4th International Workshop on Modeling Social Media
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People in online social networks are constantly sharing information with different audiences and it becomes more and more difficult for them to keep track of distributed information. Further, due to the complexity of the digital landscape, it is a constant risk to unintentionally share information to the wrong people, possibly leading to a loss of reputation. The European research project di.me is concerned with the development of a userware, empowering end-users to keep track of their digital footprints, with an intelligent user interfaces (UI) and smart advisory. In this paper we present how we calculate persons trust and inform the privacy of resources shared among persons. We show the concepts for trust and privacy advisory in the di.me userware and address problems, we were confronted within the design and evaluation process and how we tackled them. In this respect we specifically address change requirements (i.e. trust model and UI improvements) we conducted after an evaluation and user trials with a first prototype.