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376.658  Articles
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Over the past decade, the concept of data warehousing has been widely accepted. The main reason for building data warehouses is to improve the quality of information in order to achieve specific business objectives such as competitive advantage or improve... see more

In order for a data warehouse to be able to adequately fulfill its integrative and historical purpose, its data model must enable the appropriate and consistent representation of the different states of a system. In effect, a DW data model, representing t... see more

 Data warehouse is a concept and a technology to store transactional data from several sources that have been through the process of filtering and selection of data. By using the Ectract, Transform and Load (ETL) process in the data warehouse, OLTP d... see more

Os data warehouses (DW) oferecem acesso a dados para análise complexa, descoberta de conhecimento e tomada de decisão. O modelo de dados multidimensional utilizado nos DW dá aos tomadores de decisão informações no nível correto de detalhe, com base em org... see more

Os data warehouses (DW) oferecem acesso a dados para análise complexa, descoberta de conhecimento e tomada de decisão. O modelo de dados multidimensional utilizado nos DW dá aos tomadores de decisão informações no nível correto de detalhe, com base em org... see more

 The basis of bureaucratic reform is the reform of human resources management. One supporting factor is the development of an employee database. To support the management of human resources required including data warehouse and business intelligent t... see more

Metadata is essential for understanding information stored in data warehouses. It helps increase levels of adoption and usage of data warehouse data by knowledge workers and decision makers. A metadata model is important to the implementation of a data wa... see more

Today, thanks to global positioning systems technologies and mobile devices equipped with tracking sensors, and a lot of data about moving objects can be collected, e.g., spatio-temporal data related to the movement followed by objects. On the other ha... see more

O conhecimento armazenado ao longo dos anos nas bases de dados organizacionais é um bem vital para a sobrevivência de uma empresa neste mercado competitivo. Para a sua efetiva utilização como apoio ao processo decisório de uma organização, os dados precis... see more

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