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AbstrAct In today's business environment, it is usual that data relevant to business is stored on different hardware, inside different databases, different data warehouses, inside as well as outside of the organization. Accuracy, quality, timeliness, and especially availability of such distributed data make crucial role in the process of business managing.(More)
Knowledge based systems are computer programs which contain formalized knowledge in a narrow problem domain. Expert knowledge is extracted and formalize in various forms such as: production rules, semantic networks, triplet attribute-object-value, frames or first order predicate. But the knowledge can operate only on information getting from data stored in(More)
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