EN
The purpose of the paper is to present the idea of integrated management information systems as the main source of information for enterprises, and to discuss business intelligence systems as an important complementary tool to IMIS. The authors attempt to investigate the major applications of business intelligence systems in enterprises, with particular regard to: marketing management, financial management, sales and distribution, personnel management, controlling, warehouse and transport logistics. The paper also discusses the ways in which business intelligence systems are used in e-commerce.