Aggressive, Repetitive, Intentional, Visible, and Imbalanced: Refining Representations for Cyberbullying Classification

• URL: http://arxiv.org/abs/2004.01820v1
• Date: Sat, 4 Apr 2020 00:35:16 GMT
• Title: Aggressive, Repetitive, Intentional, Visible, and Imbalanced: Refining Representations for Cyberbullying Classification
• Authors: Caleb Ziems, Ymir Vigfusson, Fred Morstatter
• Abstract summary: We study the nuanced problem of cyberbullying using five explicit factors to represent its social and linguistic aspects. These results demonstrate the importance of representing and modeling cyberbullying as a social phenomenon.
• Score: 4.945634077636197
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Cyberbullying is a pervasive problem in online communities. To identify cyberbullying cases in large-scale social networks, content moderators depend on machine learning classifiers for automatic cyberbullying detection. However, existing models remain unfit for real-world applications, largely due to a shortage of publicly available training data and a lack of standard criteria for assigning ground truth labels. In this study, we address the need for reliable data using an original annotation framework. Inspired by social sciences research into bullying behavior, we characterize the nuanced problem of cyberbullying using five explicit factors to represent its social and linguistic aspects. We model this behavior using social network and language-based features, which improve classifier performance. These results demonstrate the importance of representing and modeling cyberbullying as a social phenomenon.

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