Evolving computing technologies such as cloud, edge computing, and the Internet of Things
(IoT) are creating a more complex, dispersed, and dynamic enterprise operational …

In this paper, we present an integrated model-driven approach for the specification and the
enforcement of secure object flows in process-driven service-oriented architectures (SOA) …

With the increasing importance of social media in people's lives, more mobile applications
have incorporated features to support social networking activities. These applications …

In a mobile computing environment, distributed business processes are executed in varying
contexts. Context-aware access control mechanisms help to protect sensitive data and …

We present a break-glass extension for process-related role-based access control (RBAC)
models. Our extension ensures the static (design-time) and dynamic (runtime) consistency of …

This paper introduces a framework for data modeling to support ubiquitous computing based
on context-awareness. Data always grow in term of volume, variety, velocity, and value. The …

Workflow management systems (WfMS) are used to automate and facilitate business
processes of an enterprise. To simplify the administration, it is a common practice in many …

Context In many organizational environments critical tasks exist which–in exceptional cases
such as an emergency–must be performed by a subject although he/she is usually not …

In recent years, a number of laws and regulations (such as the Basel II accord or SOX)
demand that organizations record certain activities or decisions to fulfill legally enforced …

In emergency situations, certain subjects sometimes have to perform important tasks
although they are usually not authorized to perform these tasks. Break-glass policies have …