| Abstract | A huge repository of terabytes of data is generated
each day from modern information systems and digital
technologies such as Internet of Things and cloud
computing .Analysis of these massive at a requires a lot
of efforts at multiple levels to extract knowledge for
decision making. Therefore, big data analysis is a
current area of research and development. This high
speed growing data is unstructured in the form of
blogs, posts , tweets , news articles, video , audio etc.
This all is termed as Big Data. Big data is said to bethe
massive volume of information that is difficult to be
processed using traditional database techniques. Big
data can be of both types structured or unstructured.
The growth of big data is not stoppable due to social
network.
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