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The significance of social media has increased manifold in the past few decades as it helps people from even the most remote corners of the world to stay connected. With the advent of technology, digital media has become more relevant and…

计算与语言 · 计算机科学 2021-12-14 Sourya Dipta Das , Ayan Basak , Saikat Dutta

This paper describes the Duluth systems that participated in SemEval--2020 Task 12, Multilingual Offensive Language Identification in Social Media (OffensEval--2020). We participated in the three English language tasks. Our systems provide…

计算与语言 · 计算机科学 2020-07-28 Ted Pedersen

During the COVID-19 pandemic, social media platforms were ideal for communicating due to social isolation and quarantine. Also, it was the primary source of misinformation dissemination on a large scale, referred to as the infodemic.…

机器学习 · 计算机科学 2021-07-22 Sajad Dadgar , Mehdi Ghatee

We present our system for the two subtasks of the shared task on propaganda detection in Arabic, part of WANLP'2022. Subtask 1 is a multi-label classification problem to find the propaganda techniques used in a given tweet. Our system for…

计算与语言 · 计算机科学 2022-11-01 Shubham Mittal , Preslav Nakov

COVID-19 has created a major public health problem worldwide and other problems such as economic crisis, unemployment, mental distress, etc. The pandemic is deadly in the world and involves many people not only with infection but also with…

机器学习 · 计算机科学 2025-11-25 Khandaker Tayef Shahriar , Iqbal H. Sarker

The free flow of information has been accelerated by the rapid development of social media technology. There has been a significant social and psychological impact on the population due to the outbreak of Coronavirus disease (COVID-19). The…

This paper formulates the problem of dynamically identifying key topics with proper labels from COVID-19 Tweets to provide an overview of wider public opinion. Nowadays, social media is one of the best ways to connect people through…

信息检索 · 计算机科学 2021-09-07 Khandaker Tayef Shahriar , Iqbal H. Sarker , Muhammad Nazrul Islam , Mohammad Ali Moni

COVID-19 impacted every part of the world, although the misinformation about the outbreak traveled faster than the virus. Misinformation spread through online social networks (OSN) often misled people from following correct medical…

社会与信息网络 · 计算机科学 2022-09-08 Mohammad Majid Akhtar , Bibhas Sharma , Ishan Karunanayake , Rahat Masood , Muhammad Ikram , Salil S. Kanhere

This paper describes our approach (ur-iw-hnt) for the Shared Task of GermEval2021 to identify toxic, engaging, and fact-claiming comments. We submitted three runs using an ensembling strategy by majority (hard) voting with multiple…

计算与语言 · 计算机科学 2021-10-06 Hoai Nam Tran , Udo Kruschwitz

We explore the task of sentiment analysis on Hinglish (code-mixed Hindi-English) tweets as participants of Task 9 of the SemEval-2020 competition, known as the SentiMix task. We had two main approaches: 1) applying transfer learning by…

计算与语言 · 计算机科学 2020-08-05 Vinay Gopalan , Mark Hopkins

This paper describes approaches and results for shared Task 1 and 4 of SMMH4-23 by Team Shayona. Shared Task-1 was binary classification of english tweets self-reporting a COVID-19 diagnosis, and Shared Task-4 was Binary classification of…

计算与语言 · 计算机科学 2024-01-05 Rushi Chavda , Darshan Makwana , Vraj Patel , Anupam Shukla

Amid the pandemic COVID-19, the world is facing unprecedented infodemic with the proliferation of both fake and real information. Considering the problematic consequences that the COVID-19 fake-news have brought, the scientific community…

计算与语言 · 计算机科学 2021-01-12 Yejin Bang , Etsuko Ishii , Samuel Cahyawijaya , Ziwei Ji , Pascale Fung

In this paper, we describe our approach to utilize pre-trained BERT models with Convolutional Neural Networks for sub-task A of the Multilingual Offensive Language Identification shared task (OffensEval 2020), which is a part of the SemEval…

计算与语言 · 计算机科学 2020-07-28 Ali Safaya , Moutasem Abdullatif , Deniz Yuret

Understanding the public sentiment and perception in a healthcare crisis is essential for developing appropriate crisis management techniques. While some studies have used Twitter data for predictive modelling during COVID-19, fine-grained…

计算与语言 · 计算机科学 2021-03-02 Abdul Hameed Azeemi , Adeel Waheed

Fake news on social media has become a hot topic of research as it negatively impacts the discourse of real news in the public. Specifically, the ongoing COVID-19 pandemic has seen a rise of inaccurate and misleading information due to the…

社会与信息网络 · 计算机科学 2022-05-05 Gullal S. Cheema , Sherzod Hakimov , Ralph Ewerth

Nowadays, the development of social media allows people to access the latest news easily. During the COVID-19 pandemic, it is important for people to access the news so that they can take corresponding protective measures. However, the fake…

计算与语言 · 计算机科学 2021-10-04 Yuxiang Wang , Yongheng Zhang , Xuebo Li , Xinyao Yu

The global impact of the COVID-19 pandemic has highlighted the need for a comprehensive understanding of public sentiment and reactions. Despite the availability of numerous public datasets on COVID-19, some reaching volumes of up to 100…

计算与语言 · 计算机科学 2025-10-10 Qiang Yang , Xiuying Chen , Changsheng Ma , Rui Yin , Xin Gao , Xiangliang Zhang

Social media platforms, such as Twitter, provide a suitable avenue for users (people or patients) concerned on health questions to discuss and share information with each other. In December 2019, a few coronavirus disease cases were first…

社会与信息网络 · 计算机科学 2020-12-11 Tiago de Melo

Estimating the political leanings of social media users is a challenging and ever more pressing problem given the increase in social media consumption. We introduce Retweet-BERT, a simple and scalable model to estimate the political…

社会与信息网络 · 计算机科学 2023-04-10 Julie Jiang , Xiang Ren , Emilio Ferrara

This paper uses the BERT model, which is a transformer-based architecture, to solve task 4A, English Language, Sentiment Analysis in Twitter of SemEval2017. BERT is a very powerful large language model for classification tasks when the…

计算与语言 · 计算机科学 2024-08-31 Rupak Kumar Das , Ted Pedersen