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Classification of Sentiment of Reviews using Supervised Machine Learning Techniques

Classification of Sentiment of Reviews using Supervised Machine Learning Techniques
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Author(s): Abinash Tripathy (Department of Computer Science and Engineering, National Institute of Technology, Rourkela, India)and Santanu Kumar Rath (Department of Computer Science and Engineering, National Institute of Technology, Rourkela, India)
Copyright: 2020
Pages: 21
Source title: Cognitive Analytics: Concepts, Methodologies, Tools, and Applications
Source Author(s)/Editor(s): Information Resources Management Association (USA)
DOI: 10.4018/978-1-7998-2460-2.ch009

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Abstract

Sentiment analysis helps to determine hidden intention of the concerned author of any topic and provides an evaluation report on the polarity of any document. The polarity may be positive, negative or neutral. It is observed that very often the data associated with the sentiment analysis consist of the feedback given by various specialists on any topic or product. Thus, the review may be categorized properly into any sort of class based on the polarity, in order to have a good knowledge about the product. This article proposes an approach to classify the review dataset made on basis of sentiment analysis into different polarity groups. Four machine learning algorithms viz., Naive Bayes (NB), Support Vector Machine (SVM), Random Forest, and Linear Discriminant Analysis (LDA) have been considered in this paper for classification process. The obtained result on values of accuracy of the algorithms are critically examined by using different performance parameters, applied on two different datasets.

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