Semantic Based Authorization Framework For Multi-Domain Collaborative Cloud Environments

A Semantic Based Policy Management Framework for Cloud Computing Environments

Semantic-aware multi-tenancy authorization system for cloud architectures

Cloud Computing is an emerging paradigm to offer on demand IT services to customers. The access control to resources located in the cloud is one of the critical aspects to enable business to shift into the cloud. Some recent works provide access control models suitable for the cloud, however there are important shortages that need to be addressed in this field. This work presents a step forward...

In Multi - Domain Collaborative Environments

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A SEMANTIC WEB FRAMEWORK FOR GENERATING COLLABORATIVE E-LEARNING ENVIRONMENTS A Semantic Web Framework for Generating Collaborative E-learning Environments

In this paper we present a semantic web framework that can be used to generate web-based, e-learning and e-assessment environments for any given knowledge domain. We accomplish this by generating “learning ontologies” for a given knowledge domain. The generated learning ontologies are built upon our previous work on domain “Glossary” ontology and augmented with additional conceptual relations f...

Multi-Tenancy Authorization System with Federated Identity for Cloud-Based Environments Using Shibboleth

The services provided in clouds may represent an increase in the efficiency and effectiveness in the operations of the enterprise business, improving the cost-effectiveness related to services and resources consumption. However, there is concern about the privacy of data, since such data are outside the client’s domain. For these services to be effectively enjoyed by organizations it is necessa...