Enhanced sentiment learning using twitter hashtags and smileys

Dmitry Davidov, Oren Tsur, Ari Rappoport

Research output: Contribution to conferencePaperpeer-review

483 Scopus citations

Abstract

Automated identification of diverse sentiment types can be beneficial for many NLP systems such as review summarization and public media analysis. In some of these systems there is an option of assigning a sentiment value to a single sentence or a very short text. In this paper we propose a supervised sentiment classification framework which is based on data from Twitter, a popular microblogging service. By utilizing 50 Twitter tags and 15 smileys as sentiment labels, this framework avoids the need for labor intensive manual annotation, allowing identification and classification of diverse sentiment types of short texts. We evaluate the contribution of different feature types for sentiment classification and show that our framework successfully identifies sentiment types of untagged sentences. The quality of the sentiment identification was also confirmed by human judges. We also explore dependencies and overlap between different sentiment types represented by smileys and Twitter hashtags.

Original languageEnglish
Pages241-249
Number of pages9
StatePublished - 1 Dec 2010
Externally publishedYes
Event23rd International Conference on Computational Linguistics, Coling 2010 - Beijing, China
Duration: 23 Aug 201027 Aug 2010

Conference

Conference23rd International Conference on Computational Linguistics, Coling 2010
Country/TerritoryChina
CityBeijing
Period23/08/1027/08/10

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