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IFIP Advances in Information and Communication Technology
This paper considers the security requirements of hypertext and hypermedia systems. The emphasis is on the mechanism used to determine which subjects should be allowed to access which information. Many of the concerns are already being addressed by current secure database research-especially secure object-oriented database research. However, the particular structure of hypertext and hypermedia system allows one to study the particular requirements of such systems. This paper considers the typesdoi:10.1007/978-0-387-34943-5_5 fatcat:vl3zefdcfndzbjjcohhf63ljta