The academic field of information systems has developed because organizations use a specialized body of knowledge about information and communications systems. Teaching and resear...
Abstract. This paper addresses several issues related to the use of conceptual modeling to support serviceoriented, advanced information systems. It shows how conceptual modeling o...
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
Information Systems (IS) have a major impact on human activities. They are not only "objects or products" because they directly concern our access to knowledge, our possi...
Data warehouses have been successfully employed for assisting decision making by offering a global view of the enterprise data and providing mechanisms for On-Line Analytical proc...