Advances in Information Systems Development - download pdf or read online

By Gabor Maygar, Gabor Knapp, Wita Wojtkowski, Gregory Wojtkowski, Jože Zupancic

ISBN-10: 0387708014

ISBN-13: 9780387708010

Information structures improvement (ISD) progresses speedily, continuously growing new demanding situations for the pros concerned. New thoughts, methods and strategies of structures improvement emerge consistently during this box. growth in ISD comes from learn in addition to from perform. the purpose of the convention is to supply a world discussion board for the alternate of rules and studies among academia and undefined, and to stimulate exploration of latest solutions.

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5. 2HMD transformation algorithms In the original 2HMD approach, the PIM is presented only as a use case diagram. In Fig. 5 two algorithms are presented – “Original 2HMD approach” and “Formalized 2HMD approach”. There are selected changes performed during improvement of the 2HMD approach discussed in the paper. The first change is that in the “Formalized 2HMD approach” the PIM is presented as two models – the sub-process model and the transitional auxiliary model instead of the use-case diagram in the “Original 2HMD”.

This means that the responsibility for the transaction lies on the DBMS – the Sales Component cannot take any responsibility for the consistency of the transaction. However, the Sales Component can make sure that the Order is created as a temporal state (precondition) but not yet stored (persistent) in Figure 5a. In Figure 5b, the software component must ensure that a specific order exist in the DB prior to changing an order. Furthermore, the software component is responsible for the state Order[Changed], and that an update is initiated in the DB.

It can then be a valuable aid to determine whether the process is suitable for transformation into a computer based information system or not, and give clues to what parts of an information process that needs special consideration, or as in this study, discover areas that can be improved within the manual system itself. At the least it can be used to discover what sacrifices must be made, when replacing manual processes with automated systems. If those processes were to be fully automated, the study shows that under certain circumstances it could drain the organization of tacit knowledge crucial to the information processing.

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Advances in Information Systems Development by Gabor Maygar, Gabor Knapp, Wita Wojtkowski, Gregory Wojtkowski, Jože Zupancic


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