Introduction

Quid est Veritas?

—John 18:38

At present, information technology (IT) is applied in so many business fields that it seems to be the “sine qua non” of development in the modern economy. It is fascinating that IT appeared in areas directly connected with the intellectual achievements of human beings. More surprisingly, it all happened when the most optimistic of research projects, artificial intelligence, spectacularly collapsed. The realistic approach, in which a computer program is designed not to replace a man but to support his activities based on intelligence, turned out to be extremely fruitful and was successfully employed in the business world. A few years later, this field was called business intelligence (BI), as it refers ...

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