Journal ArticleDOI
A large-scale interactive administrative system
TLDR
Through a nationwide network of interactive terminals in a teleprocessing configuration, users perform over twenty major business functions by sharing a single large and varied data base.Abstract:
Through a nationwide network of interactive terminals in a teleprocessing configuration, users perform over twenty major business functions by sharing a single large and varied data base.
Emphasized are system design principles of the central complex whereby terminal message processing and data-base management are independently yet cooperatively performed.
Also discussed is system security, which includes user authorization and data-base reconstruction and auditing.read more
Citations
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Journal ArticleDOI
Organizational Context and the Success of Management Information Systems
Phillip Ein-Dor,Eli Segev +1 more
TL;DR: In this article, the authors identify the organizational context variables affecting the success and failure of MIS and categorize them as uncontrollable, partially controllable, and controlled, and a co...
Journal ArticleDOI
Recovery Techniques for Database Systems
TL;DR: A survey of techniques and tools used in filing systems, database systems, and operating systems for recovery, backing out, restart, the mamtenance of consistency, and for the provismn of crash resistance is given.
Proceedings ArticleDOI
Transaction control expressions for separation of duties
TL;DR: The author describes a model and notation for specifying and enforcing aspects of integrity policies, particularly separation of duties, to associate a transaction control expression with each information object.
Journal ArticleDOI
Data structures and accessing in data-base systems: I evolution of information systems
TL;DR: In this paper, aspects of information systems that are of importance to systems analysts, systems designers, and implementors are emphasized.
Separation of Duties in Computerized Information Systems.
TL;DR: A novel general-purpose mechanism for enforcing separation of duties in computerized information systems that has close similarities to traditional controls in manual paper-based systems is described.
References
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Journal ArticleDOI
The authorization problem in shared files
TL;DR: The author suggests certain guidelines for data protection in general-purpose, time-sharing systems, and develops a model of a secured shared file.
Proceedings ArticleDOI
American Airlines' "Sabre" electronic reservations system
W. R. Plugge,M. N. Perry +1 more
TL;DR: The Sabre System will give, in addition to the obvious customer advantages, the availability of current, detailed and summarized data for the use of American Airlines' management in their constant endeavor to improve passenger service.