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Τεκμήριο Data warehousing in higher education. A case study of the Hellenic Mediterranean University.(ΕΛ.ΜΕ.ΠΑ., ΔΠΜΣ Οργάνωση και Διοίκηση για Μηχανικούς, 2020-06-24) Smyrnaki, Ourania; Σμυρνάκη, ΟυρανίαBusiness Information systems, such as ERP, CRM, MIS, etc., serve different needs in management, in customer relations, in the supply chain, in production monitoring etc. Data extracted from heterogeneous data sources can be exploited by Business Intelligence (BI) systems to support useful decision-making processes in business (industry). Advanced systems, such as ETL (Extract, Transform, Load) tools, are used for the collection of this data in Data Warehouses (DWs), thereby facilitating the processes of decision-making in Decision Support Systems (DSS). The information systems of the Hellenic Mediterranean University support the daily operations of the Institution such as management, financial, education etc. and collect heterogeneous data that are often used by members of the academic community and for various purposes. However, for effective decision making, the integration of this data that exist in various data sources, is required. The Institution will benefit by drawing useful conclusions that will help in making the right decisions. This will become a useful information service for the Quality Assurance Unit and the educational leadership of the Institute.