Abstract. In this paper we present a system that enhances typical synchronous teleteaching environments. The key idea is to compensate the lack of social awareness and interactivit...
One of the main problems faced by university students is deciding the right learning path based on available information such as courses, schedules and professors. In this context,...
With the increasing popularity of the World Wide Web, the number of information sources providing access to various types of data has increased considerably. While simple data ret...
Construction activities take place in what can be called a dynamic virtual organization (VO). VOs require a secure, reliable, scalable information infrastructure that allows colla...
Abstract. An important goal of security in information systems is confidentiality. A confidentiality policy specifies which users should be forbidden to acquire what kind of inform...