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      Analysing Hate Speech against Migrants and Women through Tweets Using Ensembled Deep Learning Model

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          Abstract

          Twitter's popularity has exploded in the previous few years, making it one of the most widely used social media sites. As a result of this development, the strategies described in this study are now more beneficial. Additionally, there has been an increase in the number of people who express their views in demeaning ways to others. As a result, hate speech has piqued interest in the subject of sentiment analysis, which has developed various algorithms for detecting emotions in social networks using intuitive means. This paper proposes the deep learning model to classify the sentiments in two separate analyses. In the first analysis, the tweets are classified based on the hate speech against the migrants and the women. In the second analysis, the detection is performed using a deep learning model to organise whether the hate speech is performed by a single or a group of users. During the text analysis, word embedding is implemented using the combination of deep learning models such as BiLSTM, CNN, and MLP. These models are integrated with word embedding methods such as inverse glove (global vector), document frequency (TF-IDF), and transformer-based embedding.

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          Glove: Global Vectors for Word Representation

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            A Deep Learning Approach for Automatic Hate Speech Detection in the Saudi Twittersphere

            With the rise of hate speech phenomena in the Twittersphere, significant research efforts have been undertaken in order to provide automatic solutions for detecting hate speech, varying from simple machine learning models to more complex deep neural network models. Despite this, research works investigating hate speech problem in Arabic are still limited. This paper, therefore, aimed to investigate several neural network models based on convolutional neural network (CNN) and recurrent neural network (RNN) to detect hate speech in Arabic tweets. It also evaluated the recent language representation model bidirectional encoder representations from transformers (BERT) on the task of Arabic hate speech detection. To conduct our experiments, we firstly built a new hate speech dataset that contained 9316 annotated tweets. Then, we conducted a set of experiments on two datasets to evaluate four models: CNN, gated recurrent units (GRU), CNN + GRU, and BERT. Our experimental results in our dataset and an out-domain dataset showed that the CNN model gave the best performance, with an F1-score of 0.79 and area under the receiver operating characteristic curve (AUROC) of 0.89.
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              The Immigrant as Bogeyman: Examining Donald Trump and the Right’s Anti-immigrant, Anti-PC Rhetoric

              This article examines the rhetoric used by President Trump and his administration with respect to immigrants and immigration policy. We argue that Trump’s anti-immigrant rhetoric can be understood as (1) a response against current norms associated with political correctness, which include a heightened sensitivity to racially offensive language, xenophobia, and social injustice, and (2) a rejection of the tendency to subordinate patriotism, U.S. sovereignty, and national interests to a neoliberal political economy that emphasizes “globalism” and prioritizes “free trade” over the interests of working Americans. In order to highlight how much of Trump’s anti-immigrant rhetoric is developed as a response to political correctness and the neoliberal tendency toward globalism, we employ the concept of “collective action frames” to suggest that Trump’s (and much of the Right’s) efforts to legitimize their strict agenda on immigration relies on frames related to (1) crime and the threat immigrants pose to Americans’ safety, (2) the notion that immigrants and free trade deals lower Americans’ wages and compromise their job security, and (3) the claim that Democrats and other liberals are driven by a politically correct orthodoxy that hurts American workers by being “weak on immigration” and supportive of “open borders.” The article concludes with recommendations for fighting the normalization of scapegoating immigrants.
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                Author and article information

                Contributors
                Journal
                Comput Intell Neurosci
                Comput Intell Neurosci
                cin
                Computational Intelligence and Neuroscience
                Hindawi
                1687-5265
                1687-5273
                2022
                10 April 2022
                : 2022
                : 8153791
                Affiliations
                1Department of Psychology, Aligarh Muslim University, Aligarh 202001, India
                2IT Department, Maharaja Surajmal Institute of Technology, New Delhi 110058, India
                3Department of Humanities and Social Sciences, Indian Institute of Technology, Bombay Powai, Mumbai 400076, India
                4Mental Health-College of Education, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
                5College of Education, Thamar University, Thamar, Yemen
                Author notes

                Academic Editor: Deepika Koundal

                Author information
                https://orcid.org/0000-0001-9433-3364
                https://orcid.org/0000-0001-8692-261X
                https://orcid.org/0000-0001-5113-4760
                https://orcid.org/0000-0002-8964-6670
                Article
                10.1155/2022/8153791
                9013570
                35440944
                b6e5288f-9ea4-49cb-9f9c-bfa1c68047e9
                Copyright © 2022 Asif Hasan et al.

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 30 December 2021
                : 23 February 2022
                Categories
                Research Article

                Neurosciences
                Neurosciences

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