In 2001, Doug Laney, then at the META Group, defined big data in a report titled “3-D Data Management: Controlling Data Volume, Velocity and Variety.” Barry Devlin of 9sight Consulting identifies four categories of information that constitute big data: 1. Machine-generated data, 2.Computer log data, 3. Textual social media information, and 4. Multimedia social and other information.
Related Terms: Machine data
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