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  1. Big data refers to large sets of structured, unstructured and semi-structured data which has the potential to be mined and analyzed to determine patterns and trends . Big data is characterized by the following: 1. Volume: Large amount of data from various sources. 2. Velocity: Data is being generateRead more

    Big data refers to large sets of structured, unstructured and semi-structured data which has the potential to be mined and analyzed to determine patterns and trends .
    Big data is characterized by the following:
    1. Volume: Large amount of data from various sources.
    2. Velocity: Data is being generated at high speed and should be dealt with in near real time.
    3. Variety: Data can be in different formats.
    4. Variability: Data can be highly inconsistent.
    5. Complexity: Since data comes from multiple sources, complexity of linking, matching and cleaning data increases.

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