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1997 -The term “BIG DATA” was used for the first time- A paper on Visualization published by David Ellsworth and Michael Cox of NASA’s Ames Research Centre mentioned about the challenges in working with large unstructureddata sets with the existing computing systems. Truskowski.
Around 2004-2005, there emerged Departmental BI, it is named as such because it works in various departments in the company. This kind of BI architecture detects all the data and stores it in the memory – this eliminated the data architecture. This gives a lot of possibilities to analyse data.
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