Abstract-With ubiquitous computing technologies, business processes become more mobile and distributed and are executed in varying contexts. Context-aware access control mechanisms are an important prerequisite to protect sensitive data and services in secure ubiquitous computing environments. In an IT-supported workflow, process-related context constraints are a means to consider context information in access control decisions. A context constraint specifies that certain conditions must be fulfilled to permit the execution of a particular task. However, standard process modeling languages do not support the notion of context constraints in business processes. In this paper, we integrate context constraints with process-related role-based access control (RBAC) models and thereby support context-dependent task execution.
While technical skills remain the core foundation for engineering graduates, professional competencies, including communication, teamwork, and complex problem solving, are increasingly important to succeed in work environments. To enhance the employability of our students, we have integrated several professional skills courses into our “Software Design and Engineering” Master study curriculum, and combined each of them with a technical course. In this paper, we present a blended-learning course design including didactic methods for teaching complex problem solving. The course is intertwined with a lecture on software integration topics, which enables the students to apply their complex problem solving skills on real projects in a domain-specific context.
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