Sumários

Introduction to data warehouses

8 Março 2022, 13:00 • António Ferreira

Introduction to data warehouses: differences between operational and Decision Support Systems (DSS); history of DSS. Data warehouse objectives; support for decision making; internal elements; comparison with federated databases. Multidimensional data models; data cubes and star schemas; operations on data cubes; data warehouse development process. Open Data definition and requirements; comparison with Big Data; data formats and distribution; some data repositories.

Course presentation

22 Fevereiro 2022, 13:00 • António Ferreira

Course presentation: overview of operational and Decision Support Systems; Executive Information Systems; Business Intelligence. Course program; computational tools; teaching staff; evaluation rules; bibliography.