What is Big Data ??

What is  Big Data ??

Big data is a representation for data sets that are very large or complex

Big data challenges include analysis, capture, data curation, search, sharing, storage, transfer, visualization, querying, updating and information privacy.

Big data usually includes data sets with sizes beyond the ability of commonly used software tools to capture, curate, manage, and process data within a tolerable elapsed time.

Volume: big data doesn't sample; it just observes and tracks what happens

Velocity: big data is often available in real-time

Variety: big data draws from text, images, audio, video; plus it completes missing pieces through data fusion

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