The last decades have seen a growing interest and demand for community-centered
collaborative systems and platforms. These systems and platforms aim to provide an …

We have presented a review of the challenges facing business PM. These challenges are
categorized into three challenges:(1) between business and IT, difficulty of deriving IT goals …

To determine the security impact software vulnerabilities have on a particular network, one
must consider interactions among multiple network elements. For a vulnerability analysis …

Google's Android platform is a widely anticipated open source operating system for mobile
phones. This article describes Android's security model and attempts to unmask the …

Cloud computing provides on-demand access to IT resources via the Internet. Permissions
for these resources are defined by expressive access control policies. This paper presents a …

We introduce the RT framework, a family of role-based trust management languages for
representing policies and credentials in distributed authorization. RT combines the strengths …

Social Network Systems pioneer a paradigm of access control that is distinct from traditional
approaches to access control. Gates coined the term Relationship-Based Access Control …

We give goal-oriented algorithms for discovering credential chains in RT o, a role-based
trust-management language introduced in this paper. The algorithms search credential …

Declarative Networking is a programming methodology that enables developers to concisely
specify network protocols and services, which are directly compiled to a dataflow framework …

Trust management (TM) is a promising approach for authorization and access control in
distributed systems, based on signed distributed policy statements expressed in a policy …