Effective collaboration with information sharing in virtual universities

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Wang, Hua, Zhang, Yanchun and Cao, Jinli (2009) Effective collaboration with information sharing in virtual universities. IEEE Transactions on Knowledge and Data Engineering, 21 (6). pp. 840-853. ISSN 1041-4347

Abstract

A global education system, as a key area in future IT, has fostered developers to provide various learning systems with low cost. While a variety of e-learning advantages has been recognized for a long time and many advances in e-learning systems have been implemented, the needs for effective information sharing in a secure manner have to date been largely ignored, especially for virtual university collaborative environments. Information sharing of virtual universities usually occurs in broad, highly dynamic network-based environments, and formally accessing the resources in a secure manner poses a difficult and vital challenge. This paper aims to build a new rule-based framework to identify and address issues of sharing in virtual university environments through role-based access control (RBAC) management. The framework includes a role-based group delegation granting model, group delegation revocation model, authorization granting, and authorization revocation. We analyze various revocations and the impact of revocations on role hierarchies. The implementation with XML-based tools demonstrates the feasibility of the framework and authorization methods. Finally, the current proposal is compared with other related work.

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Item type Article
URI https://vuir.vu.edu.au/id/eprint/4673
DOI https://doi.org/10.1109/TKDE.2008.132
Official URL http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumb...
Subjects Historical > FOR Classification > 0806 Information Systems
Historical > FOR Classification > 1303 Specialist Studies in Education
Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Keywords ResPubID19216, e-learning, RBAC, role-based delegation, revocation
Citations in Scopus 46 - View on Scopus
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