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For a long time, the vital part of data gathering behavior depends on the opinion of the other people has been solved. Due to the continuous growth of popularity and availability of opinions from the various social sites. These are personal blogs and online feedback/reviews sites when there is a lot of data generated by user's opinions is available freely; have important information that can be very helpful for any organization and consumer as well. Thus new challenges and opportunities are emerging and data scientists to absorb important information from a large amount of data. Now they are using different types of tools and technologies to made decisions? Thus data science helps us to make decisions very fast and in a better way. Data science is very pure science which gives us all detail in bulk. In this paper, we describe the different needs, issues and challenges, and solutions of the problem of big data (sentiments analysis) which possess the result of data science.
Kushwah et al. (Fri,) studied this question.