Business intelligence (BI) has become an integral part of e-business activities of companies. The success of such effort is dependent on integration and management of terabytes of transactional data in a large-scale data warehouse to support various analyses. In the last two years, web-oriented BI and outsourcing have led to more challenging problems of integrating these new types of data with ...

A challenging task for a data warehouse team is identifying users by their information needs and skills, and then providing the BI (Business Intelligence) tools that support each group to do their job effectively and efficiently. Recent studies have shown that the BI market place is saturated with a bewildering array of capabilities, functions and software suites. The current lack of consistent...

Abstract: Bi-level programming, a tool for modeling decentralized decisions, consists of the objective(s) of the leader at its first level and that is of the follower at the second level. Three level programming results when second level is itself a bi-level programming. By extending this idea it is possible to define multi-level programs with any number of levels. Supply chain planning problem...