Abstract
Abstract Nowadays, sentiment analysis is a method used to analyze the sentiment of the feedback given by a user in an online document, such as a blog, comment, and review, and classifies it as negative, positive, or neutral. The classification process relies upon the analysis of the polarity features of the natural language text given by users. Polarity analysis has been an important subtask in sentiment analysis; however, detecting correct polarity has been a major issue. Different researchers have utilized different polarity features, such as standard part-of-speech (POS) tags such as adjectives, adverbs, verbs, and nouns. However, there seems to be a lack of research focusing on the subcategories of these tags. The aim of this research was to propose a method that better recognizes the polarity of natural language text by utilizing different polarity features using the standard POS category and the subcategory combinations in order to explore the specific polarity of text. Several experiments were conducted to examine and compare the efficacies of the proposed method in terms of F-measure, recall, and precision using an Amazon dataset. The results showed that JJ + NN + VB + RB + VBP + RP, which is a POS subcategory combination, obtained better accuracy compared to the baseline approaches by 4.4% in terms of F-measure.
Highlights
The recent years have brought significant growth in social media websites across the Internet
The aim of this research was to propose a method that better recognizes the polarity of natural language text by utilizing different polarity features using the standard POS category and the subcategory combinations in order to explore the specific polarity of text
The results showed that JJ + NN + VB + RB + VBP + RP, which is a POS subcategory combination, obtained better accuracy compared to the baseline approaches by 4.4% in terms of F-measure
Summary
The recent years have brought significant growth in social media websites across the Internet. Alongside a huge amount of user-generated data, users provide their data through discussion and personal notes and, on a mass scale, by sharing what they think and feel about products, services, issues, events, and policies in E-commerce websites. This is called user opinion or review, which aims to determine the mood of the writer or the attitude of the speaker. User-generated data have become a very important source for business intelligence decision-making processes by helping organizations improve their products It could be helpful for consumers to read the reviews of other consumers to help them make up their mind about purchasing particular products before deciding to buy those products. The positive or negative feeling expressed by people is known as sentiment
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