Automatic cyberbullying detection in spanish-language social networks using sentiment analysis techniques

Rolfy Nixon Montufar Mercado, Hernan Faustino Chacca Chuctaya, Eveling Gloria Castro Gutierrez

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Cyberbullying is a growing problem in our society that can bring fatal consequences and can be presented in digital text for example at online social networks. Nowadays there is a wide variety of works focused on the detection of digital texts in the English language, however in the Spanish language there are few studies that address this issue. This paper aims to detect this cybernetic harassment in social networks, in Spanish language. Sentiment analysis techniques are used, such as bag of words, elimination of signs and numbers, tokenization and stemming, as well as a Bayesian classifier. The data used for the training of the Bayesian classifier were obtained from the Spanish Dictionary of Affect in Language (SDAL), which is a database formed by more than 2500 words manually evaluated in three affective dimensions: Pleasantness, activation and imagery, as well as same 595 words obtained following the same procedure of SDAL was used with the help of the members of the Research Center, Technology Transfer and Software Development. As a result, the software developed has 93% success in the validation tests carried out.

Original languageEnglish
Pages (from-to)228-235
Number of pages8
JournalInternational Journal of Advanced Computer Science and Applications
Issue number7
StatePublished - 2018

Bibliographical note

Publisher Copyright:
© 2018, (IJACSA) International Journal of Advanced Computer Science and Applications.


  • Bag of words
  • Cyberbullying
  • Sentiment analysis
  • Social media analytics
  • Stemming
  • Tokenization


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