The NIAM Information Analysis Method: Theory and Practice by J.J.V.R. Wintraecken

By J.J.V.R. Wintraecken

About details research far and wide everyone is operating, they're speaking or replacing informa­ tion approximately their paintings. until they arrive to moderate agreements approximately this communique, i.e., agreements describing the "language" in their communica­ tion so that you can comprehend each one other's details, in the end there'll be this kind of "Tower of Babel" that their objective of conversation may be doomed to failure. there are many locations wh~re many of the verbal exchange among humans operating jointly is being performed through a knowledge procedure. In those circumstances too, a transparent contract approximately communique needs to be made, in order that humans communi­ cating through a data method can comprehend one another invariably. In such an contract, it truly is made up our minds which info could be exchanged with the data process and the that means everybody may still assign to that facts. For verbal exchange occurring through a data procedure, such an contract is named a "grammar" or a "conceptual schemea" of this data method. "Information research" is that box and likewise that section of improvement of a data approach within which the grammar or the conceptual schemea of the data approach is set. The grammar or the conceptual scheme is a vital a part of the necessities of present-day info systems.

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We call the contents of the information base at a given moment the state of the information base. Each time the information system changes the contents of the information base at the request of the users, the state of the information base changes, and the previous state goes to a new state. We label this an information base state transition. Although the contents of the information base do not have to describe at every moment the state of the reality valid at that moment, it may never describe an impossible state of the reality.

With respect to information anlysis, only the information flows are important. In object system analysis, in which the operation of the object system is studied as a whole (including potentially the information system), the information flows and the material flows clearly play an equally important role. 3 represents the main lines of the work routine of the Loan Department. As stated earlier, the work of this department ought to be arranged more effectively and efficiently. 4, in which use is made of an information system.

On the basis of the description, it must be clear which information has to be exchanged with the information system. It must be possible to describe this information by means of concrete examples. During information analysis, the information contents of the information flows which begin or end in the information system are investigated and described. To do this, one starts with concrete examples, as we shall see in the upcoming chapters. This is why the level of detail in the description of the object system is sufficient for information analysis if concrete examples of the contents of every information flow which begins or ends in the information system can be given.

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