Abstract. Security issues have to be carefully considered for information systems that support the business processes of an organization, in particular, when these systems build on...
In the past few years, Iranian universities have embarked to use e-learning tools and technologies to extend and improve their educational services. After a few years of conducting...
Role-based access control (RBAC) has attracted considerable research interest. However, the computational issues of RBAC models are yet to be thoroughly studied. In this paper, we...
Web service choreography describes protocols for multiparty collaboration, whereas orchestration focuses on single peers. One key requirement of choreography is to support transact...
Adaptation and personalization services of the information offered to the users in open e-learning environments are considered to be the turning point of recent research efforts. ...