Big data is a combination of structured, semistructured and unstructured data collected by organizations that can be mined for information and used in projects, predictive modeling and other advanced applications. [Source: TechTarget]. Big data is the often complex process of examining large and varied , or big data, to uncover information -- such as hidden patterns, unknown correlations, market trends and customer preferences -- that can help organizations make informed business decisions.[Source: TechTarget]

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