Over the last decade, social media (SM) has dramatically influenced the tourism sector, and
information exchange via SM platforms may affect tourists' intentions to revisit a tourist …

Transparency, a principle advocated by the General Data Protection Regulation, is usually
defined in terms of properties such as availability, auditability and accountability and for this …

Recently, trust emerged as a momentous aspect to evaluate resources, services or persons.
In our work, the trust notion focuses on a system as a whole and from the point of view of a …

Nowadays, digital systems are connected through complex architectures. These systems
involve persons, physical and digital resources such that we can consider that a system …

Before using a digital system, it is necessary to evaluate it according to different parameters.
Lately trust emerged as a momentous aspect of evaluation. Evaluating trust in a system is a …

Nowadays, digital systems are connected through complex architectures. Participants to
these systems perform activities like chatting or sharing data. Persons, physical and digital …

Protecting user data in distributed systems nowadays is very dicult. In this thesis, we focus
on various issues related to the protection of user data on distributed data management …

Transparency is a concept invoked to implement people's right to have control over their
data [205]. It has been defined as “the possibility to access information and evidences …

Transparency is a novel concept in the context of Information and Communication
Technology (ICT). It has arisen from regulations as a data protection principle, and it is now …

Transparency, a principle advocated by the General Data Protection Regulation, is usually
defined in terms of properties such as availability, auditability and accountability and for this …