A Unified Conceptual Model for Data Warehouses

The Dimensional Fact Model: A Conceptual Model for Data Warehouses

Logical Representation of a Conceptual Model for Spatial Data Warehouses

The MultiDimER model is a conceptual model used for representing a multidimensional view of data for Data Warehouse (DW) and On-Line Analytical Processing (OLAP) applications. This model includes a spatial extension allowing spatiality in levels, hierarchies, fact relationships, and measures. In this way decisionmaking users can represent in an abstract manner their analysis needs without consi...

A Conceptual Framework for Clinical Data Warehouses

In order to support the analysis of the information transformation process, quality, outcome, and cost of care delivered at a medical institution, an environment that integrates data from multiple clinical, administrative and financial systems is necessary. This integration becomes essential to facilitate the access and retrieval of the varieties of information. We propose how to rapidly specif...

A conceptual modelling perspective for data warehouses

The volume of information of the most various types stored electronically in a company is increasing to an ever-greater extent. While in the field of operational systems everything is aimed at achieving the quickest possible throughput, in the dispositive field, questions regarding the total overview or detailed views are of interest. OLAP servers are multidimensionally structured. They are the...

A Conceptual Modeling Approach for Data Warehouses

The multidimensional (MD) modeling, which is the foundation of data warehouses (DWs), MD databases, and On-Line Analytical Processing (OLAP) applications, is based on several properties different from those in traditional database modeling. In the past few years, there have been some proposals, providing their own formal and graphical notations, for representing the main MD properties at the co...