Turning the Tap Off: The Impacts of Social Media Shutdown After Sri Lanka’s Easter Attacks
September 18, 2023
This report examines the social media shutdown in the wake of the Easter Attacks in Sri Lanka, and its impacts on journalists and post-incident communal violence. By highlighting the shutdown’s limitations, social costs and impact on misinformation, this report presents key recommendations for policy-makers, journalists and other key stakeholders. This report is part of a ...
Persuasion Through Bitter Humor: Multimodal Discourse Analysis of Rhetoric in Internet Memes of Two Far-Right Groups in Finland
September 18, 2023
This study focuses on the role of Internet memes in the communication of two far-right groups in Finland. The material consists of 426 memes posted by Finland First and the Soldiers of Odin between the years 2015 and 2017 on Facebook. Multimodal discourse analysis was applied to understand the contents, forms, and rhetorical functions communicated ...
A Survey on Hate Speech Detection using Natural Language Processing
September 18, 2023
This paper presents a survey on hate speech detection. Given the steadily growing body of social media content, the amount of online hate speech is also increasing. Due to the massive scale of the web, methods that automatically detect hate speech are required. Our survey describes key areas that have been explored to automatically recognize ...
Anatomy of Online Hate: Developing a Taxonomy and Machine Learning Models for Identifying and Classifying Hate in Online News Media
September 18, 2023
Online social media platforms generally attempt to mitigate hateful expressions, as these comments can be detrimental to the health of the community. However, automatically identifying hateful comments can be challenging. We manually label 5,143 hateful expressions posted to YouTube and Facebook videos among a dataset of 137,098 comments from an online news media. We then ...
Hate Speech Detection on Twitter: Feature Engineering v.s. Feature Selection
September 18, 2023
The increasing presence of hate speech on social media has drawn significant investment from governments, companies, and empirical research. Existing methods typically use a supervised text classification approach that depends on carefully engineered features. However, it is unclear if these features contribute equally to the performance of such methods. We conduct a feature selection analysis ...
Detecting the Hate Code on Social Media
September 18, 2023
Social media has become an indispensable part of the everyday lives of millions of people around the world. It provides a platform for expressing opinions and beliefs, communicated to a massive audience. However, this ease with which people can express themselves has also allowed for the large scale spread of propaganda and hate speech. To ...
Automatic Identification and Classification of Misogynistic Language on Twitter
September 18, 2023
Hate speech may take different forms in online social media. Most of the investigations in the literature are focused on detecting abusive language in discussions about ethnicity, religion, gender identity and sexual orientation. In this paper, we address the problem of automatic detection and categorization of misogynous language in online social media. The main contribution ...
An Italian Twitter Corpus of Hate Speech against Immigrants
September 18, 2023
The paper describes a recently-created Twitter corpus of about 6,000 tweets, annotated for hate speech against immigrants, and developed to be a reference dataset for an automatic system of hate speech monitoring. The annotation scheme was therefore specifically designed to account for the multiplicity of factors that can contribute to the definition of a hate ...
Analyzing the Targets of Hate in Online Social Media
September 18, 2023
Social media systems allow Internet users a congenial platform to freely express their thoughts and opinions. Although this property represents incredible and unique communication opportunities, it also brings along important challenges. Online hate speech is an archetypal example of such challenges. Despite its magnitude and scale, there is a significant gap in understanding the nature ...
Class-based Prediction Errors to Detect Hate Speech with Out-of-vocabulary Words
September 18, 2023
Common approaches to text categorization essentially rely either on n-gram counts or on word embeddings. This presents important difficulties in highly dynamic or quickly-interacting environments, where the appearance of new words and/or varied misspellings is the norm. A paradigmatic example of this situation is abusive online behavior, with social networks and media platforms struggling to ...