Abstract

The term big data is now well understood for its well-defined characteristics. More the usage of big data is now looking promising. This chapter being an introduction draws a comprehensive picture on the progress of big data. First, it defines the big data characteristics and then presents on usage of big data in different domains. The challenges as well as guidelines in processing big data are outlined. A discussion on the state of art of hardware and software technologies required for big data processing is presented. The chapter has a brief discussion on the tools currently available for big data processing. Finally, research issues in big data are identified. The references surveyed for this chapter introducing different facets of this emergent area in data science provide a lead to intending readers for pursuing their interests in this subject.

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