SENTIMENT ANALYSIS Onam Bharti , Mrs . Monika Malhotra

Sentiment analysis is a type of natural language processing for tracking the mood of the public about a particular product or topic. Sentiment analysis, which is also called opinion mining, involves in building a system to collect and examine opinions about the product made in blog posts, comments, reviews or tweets. Sentiment analysis can be useful in several ways. In fact, it has spread from computer science to management sciences and social sciences due to its importance to business and society as a whole. In recent years, industrial activities surrounding sentiment analysis have also thrived. Numerous startups have emerged. Many large corporations have built their own in-house capabilities. Sentiment analysis systems have found their applications in almost every business and social domain. The goal of this report is to give an introduction to this fascinating problem and to present a framework which will perform sentiment analysis on online mobile phone reviews by associating modified K means algorithm with Naïve bayes classification and KNN.