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http://dx.doi.org/10.9717/kmms.2015.18.11.1391

A Method for User Sentiment Classification using Instagram Hashtags  

Nam, Minji (Dept. of SW Convergence Eng., Graduate School of Industrial Technology Convergence, Chosun University)
Lee, EunJi (Dept. of Computer Eng., Chosun University)
Shin, Juhyun (Dept. of Control and Measuring Robot Eng., Chosun University)
Publication Information
Journal of Korea Multimedia Society / v.18, no.11, 2015 , pp. 1391-1399 More about this Journal
Abstract
In recent times, studies sentiment analysis are being actively conducted by implementing natural language processing technologies for analyzing subjective data such as opinions and attitudes of users expressed on the Web, blogs, and social networking services (SNSs). Conventionally, to classify the sentiments in texts, most studies determine positive/negative/neutral sentiments by assigning polarity values for sentiment vocabulary using sentiment lexicons. However, in this study, sentiments are classified based on Thayer's model, which is psychologically defined, unlike the polarity classification used in opinion mining. In this paper, as a method for classifying the sentiments, sentiment categories are proposed by extracting sentiment keywords for major sentiments by using hashtags, which are essential elements of Instagram. By applying sentiment categories to user posts, sentiments can be determined through the similarity measurement between the sentiment adjective candidates and the sentiment keywords. The test results of the proposed method show that the average accuracy rate for all the sentiment categories was 90.7%, which indicates good performance. If a sentiment classification system with a large capacity is prepared using the proposed method, then it is expected that sentiment analysis in various fields will be possible, such as for determining social phenomena through SNS.
Keywords
Sentiment Classification; Sentiment Analysis; Hashtag;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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