Essay On Sentiment Analysis

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Sentiment Analysis: A Study

ABSTRACT:
Sentiment analysis (also known as opinion mining) refers to the use of natural language processing, text analysis and computational linguistics to identify and extract subjective information in source materials.
Sentiment analysis is a type of natural language processing for tracking the mood or opinion of the public about a particular product or topic or service. Our goal in this survey has been to cover techniques and approaches that promise to directly enable opinion-oriented information-seeking systems, and to convey to the reader a sense of our excitement about the intellectual richness and breadth of the area.

KEYWORDS: Sentiment Analysis, Natural Language Processing, Opinion Identification, …show more content…

There are few main fields of research predominate in Sentiment analysis: sentiment classification, feature based Sentiment classification and opinion summarization. Sentiment classification deals with classifying entire documents according to the opinions towards certain objects. Most of our decisions in the real world are influenced by us thinking how other people will perceive our decision. In simple words, “What others will think if I do this” has always occupied our mind, may be just for few seconds, while making important …show more content…

Nowadays, the use of Sentiment Analysis is widely seen in social media monitoring, review sites, various forums, etc and is seen as quickest way to analyse public reactions towards a particular product. However, it is also practical for use in business analytics and situations in which text needs to be analysed. Thousands of text documents can be processed for sentiment (and other features including named entities, topics, themes, etc.) in seconds, compared to the hours it would take a team of people to manually complete. Fig4.1 shows a study performed by Sentiment360 for a major TV network. In this, we can see the differences in the accuracy of sentiment prediction between human analysis and a tool based analysis. Hence , too, based analysis has proved to be more

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