WISE 2015: Undestanding Users on Social Media

Yihong Zhang’s paper on classifying different user perspectives on Twitter has been accepted for publication in WISE 2015. Congratulations Yihong!

Paper: Classifying Perspectives on Twitter: Immediate Observation, Affection, and Speculation

Abstract: Popular micro-blogging services such as Twitter enable users to effortlessly publish observations and thoughts about ongoing events. Such social sensing generates a very large pool of rich and up-to-date information. However, the large volume and a fast rate of posting make it very challenging to read through the posts and find out useful infor- mation in relevant tweets. In this paper, we propose an automated tweet classification approach that distinguishes three perspectives in which a Twitter user may compose messages, namely Immediate Observation, Affection, and Speculation. Using tweets made about the Ukraine Crisis in 2014, our experimental results show that, with the right choice of features and classifiers, we can generally obtain very satisfying results, with the classification precisions in many cases higher than 0.8. We show that the classification results can be used in event time and location detection, public sentiment analysis, and early rumor detection.

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