The cloud service model intrinsically caters to multiple tenants, most obviously not only in
public clouds but also in private clouds for large organizations. Currently, most cloud service …

Adopting IT as an integral part of business and operation is certainly making the healthcare
industry more efficient and cost-effective. With the widespread digitalization of personal …

A major barrier to the adoption of cloud Infrastructure-as-a-Service (IaaS) is collaboration,
where multiple tenants engage in collaborative tasks requiring resources to be shared …

As more and more organizations move to cloud, it is inevitable that cross-organizational
collaboration will need to be supported in the cloud. In this paper, we explore models for …

Protection of shared data from unauthorized users is the most challenging problem of cyber
security for which different access control models have been introduced. However, to …

Die Arbeit beschäftigt sich mit der Gewährleistung der betrieblichen Informationssicherheit,
insbesondere IT-Sicherheit an der Kommunikationsschnittstelle zwischen personellen und …

The traditional manual way of thesis management is increasingly satisfying the demand of
thesis guidance and administrative management in the information age. To improve the …

针对访问控制中委托在安全性和功能性上的不足, 通过对比分析RBAC 委托模型的特点,
结合安全审计概念提出了具有安全审计功能的RBAC 委托模型, 并给出了形式化的定义和描述 …

Delegation of access rights is becoming a common requirement of cloud based
organizations. In this regard, various delegation models have been proposed. These models …

Most executives see IT as a major source of complexity in their organizations. However, IT
can also help companies to better manage business complexity. As businesses enter new …