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Neural Computing and Applications

, Volume 31, Issue 12, pp 9207–9220 | Cite as

Hybrid N-gram model using Naïve Bayes for classification of political sentiments on Twitter

  • Jamilu AwwaluEmail author
  • Azuraliza Abu Bakar
  • Mohd Ridzwan Yaakub
Original Article
  • 75 Downloads

Abstract

Twitter, an online micro-blogging and social networking service, provides registered users the ability to write in 140 characters anything they wish and hence providing them the opportunity to express their opinions and sentiments on events taking place. Politically sentimental tweets are top-trending tweets; whenever election is near, users tweet about their favorite candidates or political parties and at times give their reasons for that. In this study, we hybridize two n-gram [two n-gram models used in this study are unigram and n-gram. Therefore, in this study, where unigram is mentioned that refers to a least-order n-gram (unigram) and where n-gram is mentioned that refers to the highest-order (full sentence or tweet level) n-gram] models and applied Laplace smoothing to Naïve Bayesian classifier and Katz back-off on the model. This was done in order to smoothen and address the limitation of accuracy in terms of precision and recall of n-gram models caused by the ‘zero count problem.’ Result from our baseline model shows an increase of 6.05% in average F-Harmonic accuracy in comparison with the n-gram model and 1.75% increase in comparison with the semantic-topic model proposed from a previous study on the same dataset, i.e., Obama–McCain dataset.

Keywords

n-gram Data mining Naïve Bayes Social network Sentiment analysis 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that there is no conflict of interests with anybody or any institution regarding the publication of this paper.

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.Universiti Kebangsaan MalaysiaBangiMalaysia

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