Abstract. Virtual Organizations (VOs) are an emerging business model in today's Internet economy. Increased specialization and focusing on an organization's core competen...
This paper offers several contributions for separation of duty (SoD) administration in role-based access control (RBAC) systems. We first introduce a new formal framework, based o...
Alessandro Colantonio, Roberto Di Pietro, Alberto ...
Abstract. Due to the complexity and uncertainties, the engineering process requires dynamic collaborations among the heterogeneous systems and human interactions. In this paper, we...
Jian Cao, Jie Wang, Shen-sheng Zhang, Minglu Li, K...
A key issue in utility computing environments, such as utility Grids, is the provisioning, orchestration and allocation of resources to services. In these environments, providers ...
Grid and service computing technologies have been explored by enterprises to promote integration, sharing, and collaboration. However, quick response to business environment chang...