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4. Uniqueness of information location
Information is managed at a single point in the information system.
Copies of information may be kept for archiving purposes, for cross-checking in delayed time, or for other reasons. These copies are not directly accessible via the information system's repositories or processes.
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The aim of this principle is to ensure that the integrity and freshness of the information in the information system is maintained (figure 4 ).
It's important to distinguish the concept of "data" from that of "information": the same data can correspond to different types of information. For example,...
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Uniqueness of information location
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