Integration of named entity recognition and latent Dirichlet allocation for extracting cyberbullying issues on X

Juanda Pratama; Defry Hamdhana; Zara Yunizar

doi:10.61255/decoding.v4i2.1528

Authors

Juanda Pratama Universitas Malikussaleh
Defry Hamdhana Universitas Malikussaleh
Zara Yunizar Universitas Malikussaleh

DOI:

https://doi.org/10.61255/decoding.v4i2.1528

Keywords:

Cyberbullying, Latent dirichlet allocation, Named entity recognition, X Platform, TF-IDF

Abstract

Purpose – The rapid growth of social media Platform X has increased the risk of cyberbullying, which is difficult to detect due to the unstructured nature of textual data. This study proposes an integration of Named Entity Recognition (NER) and Latent Dirichlet Allocation (LDA) to support the extraction of cyberbullying-related social issues.
Methods – A total of 2,000 tweets were processed through preprocessing, spaCy-based entity extraction, TF-IDF weighting, and LDA topic modeling. The latent topics generated by LDA were manually mapped into four predefined categories (Bodyshaming, Racism, Gender, and Neutral) and evaluated against researcher-annotated ground truth labels.
Findings – Experimental results achieved an overall accuracy of 80%, with F1-scores of 94% for Racism, 93% for Gender, 70% for Bodyshaming, and 63% for Neutral.
Research implications – The proposed framework provides practical support for monitoring cyberbullying patterns and assisting policymakers in understanding online social issues.
Originality – The originality of this research lies in the sequential integration of NER as an entity-filtering stage prior to LDA, enabling a more comprehensive analysis of cyberbullying discussions than the isolated application of either method.

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