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Neural Network Hate Deletion: Developing a Machine Learning Model to Eliminate Hate from Online Comments

  • Joni SalminenEmail author
  • Juhani Luotolahti
  • Hind Almerekhi
  • Bernard J. Jansen
  • Soon-gyo Jung
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11193)

Abstract

We propose a method for modifying hateful online comments to non-hateful comments without losing the understandability and original meaning of the comments. To accomplish this, we retrieve and classify 301,153 hateful and 1,041,490 non-hateful comments from Facebook and YouTube channels of a large international media organization that is a target of considerable online hate. We supplement this dataset by 10,000 Reddit comments manually labeled for hatefulness. Using these two datasets, we train a neural network to distinguish linguistic patterns. The model we develop, Neural Network Hate Deletion (NNHD), computes how hateful the sentences of a social media comment are and if they are above a given threshold, it deletes them using a language dependency tree. We evaluate the results by comparing crowd workers’ perceptions of hatefulness and understandability before and after transformation and find that our method reduces hatefulness without resulting in a significant loss of understandability. In some cases, removing hateful elements improves understandability by reducing the linguistic complexity of the comment. In addition, we find that NNHD can satisfactorily retain the original meaning on average but is not perfect in this regard. In terms of practical implications, NNHD could be used in social media platforms to suggest more neutral use of language to agitated online users.

Keywords

Online hate Toxic comments Hate deletion Neural networks 

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Joni Salminen
    • 1
    • 2
    Email author
  • Juhani Luotolahti
    • 2
  • Hind Almerekhi
    • 1
  • Bernard J. Jansen
    • 1
  • Soon-gyo Jung
    • 1
  1. 1.Qatar Computing Research Institute, Hamad Bin Khalifa UniversityDohaQatar
  2. 2.University of TurkuTurkuFinland

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