Levels and Classification Techniques for Sentiment Analysis: A Review

Abstract

Sentimental Analysis (SA) is a process by which one can examine the feelings towards services, products, movies with the help of reviews. SA is a computing treatment of feeling, opinion, and subjectivity of contents. In this survey paper, we explain the overview of the sentiment analysis. For finding the sentiment analysis of reviews, different types of levels and classification of text data are explained. Three types of levels are explained and for classification two approaches machine learning approach and lexicon-based approach are explained. Some latest articles are used to show the accuracy of the classifiers.