Sentiment Classification based on Machine Learning Approaches in Amazon Product Reviews
Received: 15 March 2023 | Revised: 14 April 2023 | Accepted: 23 April 2023 | Online: 7 May 2023
Corresponding author: Mohammad Abu Kausar
Abstract
Online retailers and merchants increasingly request feedback from their clients on the products they purchase. This has led to a significant increase in the number of product reviews posted online, as more people are making purchases online. The opinions expressed in these customer reviews have a significant impact on other customers' purchase decisions, as they are influenced by other customers' recommendations or complaints. This study used Amazon, a well-known and widely used e-commerce platform, to examine sentiment categorization using several machine learning techniques while analyzing an Amazon Reviews dataset. At first, the reviews were transformed into vector representations using the Bag-of-Words approach. Word cloud was used to illustrate the text data in terms of the frequency they appear in the review. Subsequently, the machine learning methods decision trees and logistic regression were used. The two models used in this study achieved high levels of accuracy in analyzing the dataset. Specifically, the Decision Tree model outperformed the Logistic Regression one, achieving an impressive accuracy of 99% compared to the 94% of the latter.
Keywords:
Amazon customer reviews, sentiment analysis, dataset, feature extraction, text classification, machine learningDownloads
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