A two-stage cyberbullying detection based on multi-view features and decision fusion strategy

IF 3.4 2区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Applied Intelligence Pub Date : 2025-01-10 DOI:10.1007/s10489-024-06049-x
Tingting Li, Ziming Zeng, Shouqiang Sun
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Abstract

Cyberbullying has emerged as a pressing concern across various social platforms due to the escalating usage of online networks. Cyberbullying may lead victims to depression, self-harm, and even suicide. In this research, a two-stage cyberbullying detection framework based on multi-view features and decision fusion strategies is proposed. The first stage is to discover cyberbullying texts in social media, and the second stage delves into categorizing the specific forms of bullying present in the identified texts. In the two-stage detection process, features are constructed from multiple views, including Content view, Profanity view, and User view, to portray the bullying behavior. Furthermore, a decision fusion strategy is designed, incorporating both single-view features and multi-view features to enhance detection effectiveness. Finally, the research explains the complex mechanism of multi-view features in two-stage cyberbullying detection by calculating their SHAP values. The experimental results demonstrate the effectiveness of the multi-view feature and decision fusion strategy in cyberbullying detection. Notably, this framework yields impressive results, boasting an F1-score of 89.66% and an AUC of 95.98% in Stage I, while achieving an F1-score of 74.25% and an Accuracy of 79.01% in Stage II. The interpretability analysis of features affirms the pivotal role played by multi-view features, with the Content view features emerging as especially significant in the pursuit of effective cyberbullying detection.

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基于多视角特征和决策融合策略的两阶段网络欺凌检测
由于在线网络的使用不断增加,网络欺凌已经成为各种社交平台上的一个紧迫问题。网络欺凌可能导致受害者抑郁、自残,甚至自杀。本文提出了一种基于多视角特征和决策融合策略的两阶段网络欺凌检测框架。第一阶段是发现社交媒体中的网络欺凌文本,第二阶段是对识别文本中存在的具体欺凌形式进行分类。在两阶段的检测过程中,从多个视图(Content视图、Profanity视图和User视图)构建特征来描绘欺凌行为。在此基础上,设计了单视图特征和多视图特征相结合的决策融合策略,提高了检测效率。最后,通过计算多视角特征的SHAP值,解释了多视角特征在两阶段网络欺凌检测中的复杂机制。实验结果验证了多视角特征和决策融合策略在网络欺凌检测中的有效性。值得注意的是,该框架产生了令人印象深刻的结果,第一阶段的f1得分为89.66%,AUC为95.98%,而第二阶段的f1得分为74.25%,准确率为79.01%。特征的可解释性分析肯定了多视角特征的关键作用,其中内容视角特征在追求有效的网络欺凌检测中显得尤为重要。
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来源期刊
Applied Intelligence
Applied Intelligence 工程技术-计算机:人工智能
CiteScore
6.60
自引率
20.80%
发文量
1361
审稿时长
5.9 months
期刊介绍: With a focus on research in artificial intelligence and neural networks, this journal addresses issues involving solutions of real-life manufacturing, defense, management, government and industrial problems which are too complex to be solved through conventional approaches and require the simulation of intelligent thought processes, heuristics, applications of knowledge, and distributed and parallel processing. The integration of these multiple approaches in solving complex problems is of particular importance. The journal presents new and original research and technological developments, addressing real and complex issues applicable to difficult problems. It provides a medium for exchanging scientific research and technological achievements accomplished by the international community.
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