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Fake news, misinformation, and unverifiable facts on social media platforms propagate disharmony and affect society, especially when dealing with an epidemic like COVID-19. The task of Fake News Detection aims to tackle the effects of such…

计算与语言 · 计算机科学 2021-12-14 Mrinal Rawat , Diptesh Kanojia

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 system paper we present our contribution to the Constraint 2021 COVID-19 Fake News Detection Shared Task, which poses the challenge of classifying COVID-19 related social media posts as either fake or real. In our system, we address…

计算与语言 · 计算机科学 2021-01-14 Thomas Felber

Timely and rapid diagnoses are core to informing on optimum interventions that curb the spread of COVID-19. The use of medical images such as chest X-rays and CTs has been advocated to supplement the Reverse-Transcription Polymerase Chain…

图像与视频处理 · 电气工程与系统科学 2023-05-31 Ogechukwu Ukwandu , Hanan Hindy , Elochukwu Ukwandu

In here, we introduce a novel approach to enhance the accuracy and efficiency of COVID-19 diagnosis using CT images. Leveraging state-of-the-art Transformer models in computer vision, we employed the base ViT Transformer configured for…

图像与视频处理 · 电气工程与系统科学 2023-11-29 Kenan Morani

With the growing adoption of short-form video by social media platforms, reducing the spread of misinformation through video posts has become a critical challenge for social media providers. In this paper, we develop methods to detect…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Kehan Wang , David Chan , Seth Z. Zhao , John Canny , Avideh Zakhor

As the COVID-19 pandemic sweeps across the world, it has been accompanied by a tsunami of fake news and misinformation on social media. At the time when reliable information is vital for public health and safety, COVID-19 related fake news…

计算与语言 · 计算机科学 2021-04-14 William Scott Paka , Rachit Bansal , Abhay Kaushik , Shubhashis Sengupta , Tanmoy Chakraborty

This paper describes the participation of the QMUL-SDS team for Task 1 of the CLEF 2020 CheckThat! shared task. The purpose of this task is to determine the check-worthiness of tweets about COVID-19 to identify and prioritise tweets that…

计算与语言 · 计算机科学 2020-09-01 Rabab Alkhalifa , Theodore Yoong , Elena Kochkina , Arkaitz Zubiaga , Maria Liakata

The video topic segmentation (VTS) task segments videos into intelligible, non-overlapping topics, facilitating efficient comprehension of video content and quick access to specific content. VTS is also critical to various downstream video…

人工智能 · 计算机科学 2024-12-31 Hai Yu , Chong Deng , Qinglin Zhang , Jiaqing Liu , Qian Chen , Wen Wang

Detecting out-of-context media, such as "mis-captioned" images on Twitter, is a relevant problem, especially in domains of high public significance. In this work we aim to develop defenses against such misinformation for the topics of…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Giscard Biamby , Grace Luo , Trevor Darrell , Anna Rohrbach

Recently, COVID-19 has affected a variety of real-life aspects of the world and led to dreadful consequences. More and more tweets about COVID-19 has been shared publicly on Twitter. However, the plurality of those Tweets are uninformative,…

计算与语言 · 计算机科学 2020-11-16 Khiem Vinh Tran , Hao Phu Phan , Kiet Van Nguyen , Ngan Luu-Thuy Nguyen

Short video platforms have become an important channel for news sharing, but also a new breeding ground for fake news. To mitigate this problem, research of fake news video detection has recently received a lot of attention. Existing works…

多媒体 · 计算机科学 2022-12-05 Peng Qi , Yuyan Bu , Juan Cao , Wei Ji , Ruihao Shui , Junbin Xiao , Danding Wang , Tat-Seng Chua

As of 2020 when the COVID-19 pandemic is full-blown on a global scale, people's need to have access to legitimate information regarding COVID-19 is more urgent than ever, especially via online media where the abundance of irrelevant…

计算与语言 · 计算机科学 2020-09-15 Thai Quoc Hoang , Phuong Thu Vu

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

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

Weakly supervised video anomaly detection (WS-VAD) is a challenging problem that aims to learn VAD models only with video-level annotations. In this work, we propose a Long-Short Temporal Co-teaching (LSTC) method to address the WS-VAD…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Shengyang Sun , Xiaojin Gong

We introduce a FEVER-like dataset COVID-Fact of $4,086$ claims concerning the COVID-19 pandemic. The dataset contains claims, evidence for the claims, and contradictory claims refuted by the evidence. Unlike previous approaches, we…

计算与语言 · 计算机科学 2021-06-08 Arkadiy Saakyan , Tuhin Chakrabarty , Smaranda Muresan

COVID-19 is a novel virus that attacks the upper respiratory tract and the lungs. Its person-to-person transmissibility is considerably rapid and this has caused serious problems in approximately every facet of individuals lives. While some…

图像与视频处理 · 电气工程与系统科学 2022-09-28 Abdolreza Marefat , Mahdieh Marefat , Javad Hasannataj Joloudari , Mohammad Ali Nematollahi , Reza Lashgari

With the spiraling pandemic of the Coronavirus Disease 2019 (COVID-19), it has becoming inherently important to disseminate accurate and timely information about the disease. Due to the ubiquity of Internet connectivity and smart devices,…

社会与信息网络 · 计算机科学 2020-05-26 Md Tahmid Rashid , Dong Wang

This paper focuses to detect the fake news on the short video platforms. While significant research efforts have been devoted to this task with notable progress in recent years, current detection accuracy remains suboptimal due to the rapid…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Junxi Wang , Jize liu , Na Zhang , Yaxiong Wang