An Empirical Study on Uncertainty Identification in Social Media Context

zhongyu wei, Junwen Chen, Wei Gao, Binyang Li, Lanjun Zhou and Kam-fai Wong

The 51st Annual Meeting of the Association for Computational Linguistics - Short Papers (ACL Short Papers 2013)
Sofia, Bulgaria, August 4-9, 2013

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Abstract

Uncertainty text detection is important to many social-media-based applications since more and more users utilize social media platforms (e.g. Twitter, Facebook, etc.) as information source to produce or derive interpretations based on them. However, existing uncertainty cues are ineffective in social media context because of its specific characteristics. In this paper, we propose a variant of annotation scheme for uncertainty identification and construct the first uncertainty corpus based on tweets. We then conduct experiments on the generated tweets corpus to study the effectiveness of different types of features for uncertainty text identification.

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