An authorization system for digital libraries |
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Authors: | E Ferrari NR Adam V Atluri E Bertino U Capuozzo |
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Affiliation: | (1) Dipartimento di Scienze dell'Informazione, Università degli Studi di Milano, Via Comelico 39/41, 20135 Milano, Italy e-mail: bertino@dsi.unimi.it, ugo_capuozzo@rcm.inet.it , IT;(2) CIMIC and MSIS Department, Rutgers University, 180 University Avenue, Newark NJ 07102, USA e-mail: adam@adam.rutgers.edu; atluri@andromeda.rutgers.edu , US |
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Abstract: | Digital Libraries (DLs) introduce several challenging requirements with respect to the formulation, specification, and enforcement
of adequate data protection policies. Unlike conventional database environments, a DL environment typically is characterized
by a dynamic subject population, often making accesses from remote locations, and by an extraordinarily large amount of multimedia
information, stored in a variety of formats. Moreover, in a DL environment, access policies are often specified based on subject
qualifications and characteristics, rather than subject identity. Traditional authorization models are not adequate to meet
access control requirements of DLs. In this paper, we present a Digital Library Authorization System (DLAS). DLAS employs a content-based authorization model, called a Digital Library Authorization Model (DLAM) which was proposed in previous work 1].
Edited by Y. Yesha. Received: 21 December 2000 / Accepted: 6 March 2002 Published online: 14 May 2002 |
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Keywords: | : Access control – Digital libraries – Credentials |
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