Since the late 1970s, relational database technology has been adopted by most
organizations to store their essential data. However, nowadays, the needs of these …

Data Warehouses are the core of the modern systems for decision making. They store
integrated information extracted from various and heterogeneous data sources, making it …

Data warehouses are databases of a specific kind that periodically collect information about
the activities being performed by an organization. This information is then accumulated over …

Currently dashboards are the preferred tool across organizations to monitor business
performance. Dashboards are often composed of different data visualization techniques …

Advances in science and technology, the Internet of Things, and the proliferation of mobile
apps are critical factors to the current increase in the amount, structure, and size of …

Multidimensional modeling requires specialized design techniques. Though a lot has been
written about how a data warehouse should be designed, there is no consensus on a design …

Different modeling approaches have been proposed to overcome every design pitfall of
different data warehouse (DW) components. However, most of them offer partial solutions …

The development of a data warehouse has been traditionally guided by an in-depth analysis
of the underlying operational data sources, thus overlooking an explicit development phase …

Business Intelligence (BI) solutions allow decision makers to query, understand, and
analyze business data in order to make better decisions. However, as the technology and …

Decisional systems are crucial for enterprise improvement. They allow the consolidation of
heterogeneous data from distributed enterprise data stores into strategic indicators. An …