Big data is no more "all just hype" but widely applied in nearly all aspects of our business, governments, and organizations with the technology stack of AI. Its influences are far beyond a simple technique innovation but involves all rears in the world. This chapter will first have historical review of big data; followed by discussion of characteristics of big data, i.e. from the 3V's to up 10V's of big data. The chapter then introduces technology stacks for an or-ganization to build a big

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... application, from infrastruc-ture/platform/ecosystem to constructional units and components. Finally, we provide some big data online resources for reference.