| A.A. Verrijn-Stuart. Some Reflections on the Namur Conference on Information Systems Concepts. In E.D. Falkenberg and P. Lindgreen, editors, Information System Concepts: An In-depth Analysis. North-Holland/IFIP, Amsterdam, The Netherlands, 1989. |
....in the universe of discourse. A universe of discourse ( Gri82] is that part of the organisation which is reflected in the information system. Whenever the term information system is used in this paper, we refer to information systems in a narrower sense, i.e. a computerised information system ( Ver89] FOP92b] Most traditional information systems hardly support any aspect of evolution. First of all, most traditional information systems only allow for update of the information base, i.e. the set of facts which obeys a fixed (conceptual) schema with a fixed set of constraints. In other ....
A.A. Verrijn-Stuart. Some Reflections on the Namur Conference on Information Systems Concepts. In E.D. Falkenberg and P. Lindgreen, editors, Information System Concepts: An In-depth Analysis. North-Holland/IFIP, Amsterdam, The Netherlands, 1989.
....which may be (physically) distributed. In this paper, however, the specific aspects of distributed information systems are not taken in consideration. The restriction to a computerized actor performing information system processing activities, corresponds to what has been defined in [Ver89] as an information system in the narrower sense IS(N) In this paper, whenever the term information systems is used, information systems in the narrower sense are meant. Conform this systems view on organisations and information systems, a general architecture for information systems is presented. ....
A.A. Verrijn-Stuart. Some Reflections on the Namur Conference on Information Systems Concepts. In E.D. Falkenberg and P. Lindgreen, editors, Information System Concepts: An In-depth Analysis. North-Holland/IFIP, Amsterdam, The Netherlands, 1989.
....system due to changes of the information needs ( 1] In case of a highly dynamic organisation, this latter percentage is likely to be even higher. Note that our notion of information systems in this paper is that of information systems in the narrower sense as explained in section 4 and in [21]) Realizing this situation, it can be concluded that information systems are needed which can be adapted to the changing environment in smaller, easier, and more frequent steps than generally it is the case. In [1] the adaptability of (information) systems is termed flexibility in a broader ....
....which may also be (physically) distributed. In this paper, however, the specific aspects of distributed information systems are not taken in consideration. The restriction to a computerized actor performing information system processing activities, corresponds to what has been defined in [21] as an information system in the narrower sense IS(N) In this paper, whenever we use the term information systems, information systems in the narrower sense are meant. Conform this systems view on organisations and information systems, a general architecture for information systems is ....
A.A. Verrijn-Stuart. Some Reflections on the Namur Conference on Information Systems Concepts. In E.D. Falkenberg and P. Lindgreen, editors, Information System Concepts: An In-depth Analysis. North-Holland/IFIP, Amsterdam, The Netherlands, 1989.
....systems in which the only actor performing information processing activities is computerized. This computerized actor is called the information processor. The restriction to a computerized actor performing information system processing activities, corresponds to what has been defined in [Ver89] as an information system in the narrower sense IS(N) In this section, a general architecture for information systems is presented (see also [FOP92a] FOP92c] by means of which the distinction between traditional and evolving information systems is explained. The information processor in ....
A.A. Verrijn-Stuart. Some Reflections on the Namur Conference on Information Systems Concepts. In E.D. Falkenberg and P. Lindgreen, editors, Information System Concepts: An In-depth Analysis. North-Holland/IFIP, Amsterdam, The Netherlands, 1989.
....in the universe of discourse. A universe of discourse ( Gri82] is that part of the organisation which is reflected in the information system. Whenever the term information system is used in this paper, we refer to information systems in a narrower sense, i.e. a computerised information system ( Ver89] FOP92b] Most traditional information systems hardly support any aspect of evolution. First of all, most traditional information systems only allow for update of the information base, i.e. the set of facts which obeys a fixed (conceptual) schema with a fixed set of constraints. In other ....
A.A. Verrijn-Stuart. Some Reflections on the Namur Conference on Information Systems Concepts. In E.D. Falkenberg and P. Lindgreen, editors, Information System Concepts: An In-depth Analysis. North-Holland/IFIP, Amsterdam, The Netherlands, 1989.
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