Cloud federation is an emergent cloud-computing paradigm where partner organisations
share data and services hosted on their own cloud platforms. In this context, it is crucial to …

Collective adaptive systems are new emerging computational systems consisting of a large
number of interacting components and featuring complex behaviour. These systems are …

Smart Home has gained widespread attention due to its flexible integration into everyday
life. Pervasive sensing technologies are used to recognize and track the activities that …

Data accumulating in data lakes can become inaccessible in the long run when its
semantics are not available. The heterogeneity of data formats and the sheer volumes of …

Next Generation Access Control (NGAC) is a standard for implementing attribute-based
access control in computer software. It allows for run-time privilege changes through …

With the tremendous growth of Web applications and services, eXtensible Access Control
Markup Language (XACML) has been broadly adopted to specify Web access control …

Access control systems are nowadays the first line of defence of modern IT systems.
However, their effectiveness is often compromised by policy miscofigurations that can be …

Cloud federation is a novel concept that has been drawing attention from research and
industry. However, there is a lack of solid proposal that can be widely adopted in practice to …

The administrative obligation is a unique feature of Next Generation Access Control (NGAC),
a standard for implementing fine-grained attribute-based access control. It provides a …

The widespread acceptance of data sharing has promoted the relevant research in both
academia and industry.“Data sharing” is the process of interchanging data among multiple …