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Climate change communication in the mass media and other textual sources may affect and shape public perception. Extracting climate change information from these sources is an important task, e.g., for filtering content and e-discovery,…

Computation and Language · Computer Science 2021-01-05 Francesco S. Varini , Jordan Boyd-Graber , Massimiliano Ciaramita , Markus Leippold

Climate change has become one of the biggest challenges of our time. Social media platforms such as Twitter play an important role in raising public awareness and spreading knowledge about the dangers of the current climate crisis. With the…

Computation and Language · Computer Science 2022-11-08 Apoorva Upadhyaya , Marco Fisichella , Wolfgang Nejdl

Our work advances an approach for predicting hate speech in social media, drawing out the critical need to consider the discussions that follow a post to successfully detect when hateful discourse may arise. Using graph transformer…

Machine Learning · Computer Science 2023-05-02 Liam Hebert , Hong Yi Chen , Robin Cohen , Lukasz Golab

Over the past few years, there has been a substantial effort towards automated detection of fake news on social media platforms. Existing research has modeled the structure, style, content, and patterns in dissemination of online posts, as…

Computation and Language · Computer Science 2020-11-24 Shantanu Chandra , Pushkar Mishra , Helen Yannakoudakis , Madhav Nimishakavi , Marzieh Saeidi , Ekaterina Shutova

Social media resurgence of antisocial behavior has exerted a downward spiral on stereotypical beliefs, and hateful comments towards individuals and social groups, as well as false or distorted news. The advances in graph neural networks…

Computation and Language · Computer Science 2023-12-29 Martina Toshevska , Slobodan Kalajdziski , Sonja Gievska

Graph Attention Network (GAT) focuses on modelling simple undirected and single relational graph data only. This limits its ability to deal with more general and complex multi-relational graphs that contain entities with directed links of…

Artificial Intelligence · Computer Science 2021-09-14 Meiqi Chen , Yuan Zhang , Xiaoyu Kou , Yuntao Li , Yan Zhang

Graph representation learning (GRL) is a powerful technique for learning low-dimensional vector representation of high-dimensional and often sparse graphs. Most studies explore the structure and metadata associated with the graph using…

Machine Learning · Computer Science 2020-04-02 Zekarias T. Kefato , Sarunas Girdzijauskas

The widespread adoption of online social networks in daily life has created a pressing need for effectively classifying user-generated content. This work presents techniques for classifying linked content spread on forum websites --…

Social and Information Networks · Computer Science 2021-08-10 Di Huang , Jacob Bartel , John Palowitch

Identifying controversial posts on social media is a fundamental task for mining public sentiment, assessing the influence of events, and alleviating the polarized views. However, existing methods fail to 1) effectively incorporate the…

Computation and Language · Computer Science 2020-05-19 Lei Zhong , Juan Cao , Qiang Sheng , Junbo Guo , Ziang Wang

Sentiment analysis, an increasingly vital field in both academia and industry, plays a pivotal role in machine learning applications, particularly on social media platforms like Reddit. However, the efficacy of sentiment analysis models is…

Computation and Language · Computer Science 2024-05-29 Xiaoxia Zhang , Xiuyuan Qi , Zixin Teng

Democratic societies need reliable information. Misinformation in popular media, such as news articles or videos, threatens to impair civic discourse. Citizens are, unfortunately, not equipped to verify the flood of content consumed daily…

Computation and Language · Computer Science 2026-03-06 Tim Wittenborg , Constantin Sebastian Tremel , Markus Stocker , Sören Auer

The development of social media platforms has revolutionized the speed and manner in which information is disseminated, leading to both beneficial and detrimental effects on society. While these platforms facilitate rapid communication,…

Social and Information Networks · Computer Science 2025-03-04 Liu Yan , Liu Yunpeng , Zhao Liang

Graph Attention Network (GAT) is a graph neural network which is one of the strategies for modeling and representing explicit syntactic knowledge and can work with pre-trained models, such as BERT, in downstream tasks. Currently, there is…

Computation and Language · Computer Science 2023-05-24 Yuqian Dai , Serge Sharoff , Marc de Kamps

With the growth of textual data across online platforms, sentiment analysis has become crucial for extracting insights from user-generated content. While traditional approaches and deep learning models have shown promise, they cannot often…

Computation and Language · Computer Science 2024-04-23 Asal Khosravi , Zahed Rahmati , Ali Vefghi

Graph Attention Networks (GATs) have emerged as powerful models for learning expressive representations from such data by adaptively weighting neighboring nodes through attention mechanisms. However, most existing approaches primarily rely…

Machine Learning · Computer Science 2026-02-05 Farshad Noravesh , Reza Haffari , Layki Soon , Arghya Pal

With the growing use of deep learning methods, particularly graph neural networks, which encode intricate interconnectedness information, for a variety of real tasks, there is a necessity for explainability in such settings. In this paper,…

Machine Learning · Computer Science 2022-11-04 Harsh Patel , Shivam Sahni

Anticipating audience reaction towards a certain piece of text is integral to several facets of society ranging from politics, research, and commercial industries. Sentiment analysis (SA) is a useful natural language processing (NLP)…

Artificial Intelligence · Computer Science 2022-08-23 Anna Nguyen , Antonio Longa , Massimiliano Luca , Joe Kaul , Gabriel Lopez

Graph Attention Network (GAT) and GraphSAGE are neural network architectures that operate on graph-structured data and have been widely studied for link prediction and node classification. One challenge raised by GraphSAGE is how to smartly…

Machine Learning · Computer Science 2020-06-09 Anderson de Andrade , Chen Liu

Sentiment analysis is a crucial task in natural language processing (NLP) that enables the extraction of meaningful insights from textual data, particularly from dynamic platforms like Twitter and IMDB. This study explores a hybrid…

Computation and Language · Computer Science 2026-03-02 Aish Albladi , Md Kaosar Uddin , Minarul Islam , Cheryl Seals

Target-Based Sentiment Analysis aims to detect the opinion aspects (aspect extraction) and the sentiment polarities (sentiment detection) towards them. Both the previous pipeline and integrated methods fail to precisely model the innate…

Computation and Language · Computer Science 2020-04-15 Shu Liu , Wei Li , Yunfang Wu , Qi Su , Xu Sun