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Data and Reality: A Timeless Perspective on Perceiving and Managing Information in Our Imprecise World, 3rd Edition by William Kent

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Chapter 2. The Nature of an Information System

For the most part, we are looking at the nature of information in the real world. But our ultimate motivation is to formulate descriptions of this information so that it may be processed by computers.

The "ultimate motivation" of understanding the nature of information in the 1970s, 1980s, and most of the 1990s was to formulate descriptions and produce a data model that could be turned into a database for a new computer system. However, from the mid-1990s through today, many data modeling efforts are driven by trying to understand existing computer systems. If an application was originally built with minimal effort given to understanding information, and I will use the term "application" as a synonym ...

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