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Volume 18 / Issue 8

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DOI:   10.3217/jucs-018-08-0973


Discovering Consumer Insight from Twitter via Sentiment Analysis

Wilas Chamlertwat (Chulalongkorn University, Thailand)

Pattarasinee Bhattarakosol (Chulalongkorn University, Thailand)

Tippakorn Rungkasiri (Chulalongkorn University, Thailand)

Choochart Haruechaiyasak (National Electronics and Computer Technology Center, Thailand)

Abstract: Traditional approaches for studying consumer behavior, such as marketing survey and focus group, require a large amount of time and resources. Moreover, some products, such as smartphones, have a short product life cycle. As an alternative solution, we propose a system, the Micro-blog Sentiment Analysis System (MSAS), based on sentiment analysis to automatically analyze customer opinions from the Twitter micro-blog service. The MSAS consists of five main functions to (1) collect Twitter posts, (2) filter for opinionated posts, (3) detect polarity in each post, (4) categorize product features and (5) summarize and visualize the overall results. We used the product domain of smartphone as our case study. The experiments on 100,000 collected posts related to smartphones showed that the system could help indicating the customers' sentiments towards the product features, such as Application, Screen, and Camera. Further evaluation by experts in smartphone industry confirmed that the system yielded some valid results.

Keywords: information extraction, information visualization, micro-blog, natural language processing, sentiment analysis

Categories: H.3.5, H.4.3, M.0