• Behjat U Nisa

Abstract: Content development within the Internet lately has made a considerable volume of statistics on hand. This data is exhibited in various codecs, as an instance, posts, information articles, remarks, and surveys. Particularly in the car, hardware and movie segments, customers have composed audits approximately gadgets or their features. By collecting and analysing those surveys, new clients find out others' opinion approximately numerous highlights of the object. They can evaluation the items with every different to locate the satisfactory one that addresses their issues. In this way, makers will tackle the mentioned troubles and utilize the commercial enterprise knowledge in the back of the exam for destiny speculations. Thus, analysing the sentiments of the users become very important in optimizing the product or service. By extracting user estimation for decision making plus market analysis sentiment analysis is one of fast increasing in addition to reliable tool nowadays. In this paper, review of various sentiment analysis techniques has been presented.

Big data, Sentiment analysis, Map reduce, Data mining

"A Review of Various Sentiment Analysis Techniques in Map-Reduce Environment", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.187-193, June 2019, Available :http://www.jetir.org/papers/JETIR1908B27.pdf

"A Review of Various Sentiment Analysis Techniques in Map-Reduce Environment", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp187-193, June 2019, Available at : http://www.jetir.org/papers/JETIR1908B27.pdf