تشخیص قلدری سایبری در شبکه های اجتماعی با یادگیری عمیق مبتنی بر شبکه عصبی CNN و LSTM
محورهای موضوعی : فناوری های نوین در سیستم های توزیع شده و محاسبات الگوریتمی
محسن اقبالی
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کمال میرزائی
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رضا عزیزی
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1 - دانشجوی دکتری مهندسی کامپیوتر، گروه مهندسی کامپیوتر، واحد میبد، دانشگاه آزاد اسلامی، میبد، ایران
2 - استادیار گروه مهندسی کامپیوتر، واحد میبد، دانشگاه آزاد اسلامی، میبد، ایران
3 - استادیار گروه کامپیوتر، گروه مهندسی کامپیوتر، واحد میبد، دانشگاه آزاد اسلامی، میبد، ایران
کلید واژه: شبکه اجتماعی, قلدری سایبری, یادگیری عمیق, شبکه عصبی کانولوشن, شبکه عصبی LSTM,
چکیده مقاله :
یکی از رویکردهای امیدوارکننده در تشخیص زورگویی سایبری استفاده از الگوریتم‌های یادگیری ماشین و یادگیری عمیق است. با این حال، تشخیص آزار سایبری در شبکه های اجتماعی پیچیده است و یک الگوریتم یادگیری ماشین و یادگیری عمیق به تنهایی توانایی زیادی برای تشخیص دقیق زورگویی سایبری ندارند. در این مقاله برای تشخیص زورگویی سایبری در ابتدا با سه روش استخراج ویژگیGloVe ، Word2Vec و TF-IDF ویژگی های اولیه متن استخراج می شود. در مرحله دوم انتخاب ویژگی با استفاده از الگوریتم JSO انجام می شود و در نهایت ویژگی های مهم به عنوان ورودی روش 1DCNN و LSTM در نظر گرفته می شود. آزمایشات در مجموعه داده توئیتر و فیس بوک برای تشخیص زورگویی سایبری انجام می شود. آزمایشات نشان می دهد دقت، حساسیت و صحت روش پیشنهادی در تشخیص زورگویی سایبری در مجموعه داده توئیتر به ترتیب برابر 23/98 درصد، 86/97 درصد و 73/97 درصد است. نتایج نشان می دهد روش پیشنهادی نسبت به روشهای CNN، LSTM و BERT در تشخیص زورگویی سایبری دارای دقت بیشتری است.
One of the promising approaches in cyberbullying detection is machine learning and deep learning algorithms. Detecting cyberbullying in social networks(SN) is complicated. Machine and deep learning methods for detecting cyberbullying in social networks can have a lot of errors. In this manuscript, to detect cyberbullying, the primary features of the text are extracted using three feature extraction methods: GloVe, Word2Vec, and TF-IDF methods. In the second phase, feature selection is done using the JSO algorithm, and finally, the essential features are considered as input to the 1DCNN and LSTM methods. Experiments are conducted on Twitter and Facebook datasets to detect cyberbullying. Results show that the accuracy, sensitivity(recall), and precision of the proposed method(JSO-CNN-LSTM) in detecting cyberbullying on Twitter are 98.23%, 97.86%, and 97.73%. The results show that the proposed method is more accurate than CNN, LSTM, and BERT methods in detecting cyberbullying.
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