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Distributed systems usually contain objects with heterogeneous security requirements that pose important challenges for the underlying security mechanisms and especially in access control systems. Access control in distributed systems often relies on centralised security administration. Existing...
This paper presents the current status in the development of the ongoing project now known as Project i-DLR. The content of this "pointer site" includes resources pertaining to digital libraries organised using an educational framework for access. The paper describes the five-stage evaluation of...
This article describes a service for providing literature recommendations, which is part of a networked digital library project whose principal goal is to develop technologies for supporting digital services. The proposed literature recommendation system makes use of the Web usage logs of a...
Acquisitions librarians operate in a dynamic environment requiring constant alertness to new developments. Current awareness services (CAS), especially those available for free through the World Wide Web (WWW), can help them to keep up with trends, publisher and vendor-related information,...
Students' branching behaviours and how these behaviours relate to learner variables, such as prior knowledge, and demographic variables, were examined. Fourteen subjects were asked to learn a hypermedia instructional director system, MAPLE (Multimedia Authoring and Production Learning...
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