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相关论文: COVID-19 Twitter Sentiment Classification Using Hy…

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The widespread usage of social networks during mass convergence events, such as health emergencies and disease outbreaks, provides instant access to citizen-generated data that carry rich information about public opinions, sentiments,…

社会与信息网络 · 计算机科学 2023-06-05 Muhammad Imran , Umair Qazi , Ferda Ofli

The amount of textual data generation has increased enormously due to the effortless access of the Internet and the evolution of various web 2.0 applications. These textual data productions resulted because of the people express their…

计算与语言 · 计算机科学 2020-11-20 Eftekhar Hossain , Omar Sharif , Mohammed Moshiul Hoque , Iqbal H. Sarker

From conspiracy theories to fake cures and fake treatments, COVID-19 has become a hot-bed for the spread of misinformation online. It is more important than ever to identify methods to debunk and correct false information online. In this…

社会与信息网络 · 计算机科学 2020-09-22 Shahan Ali Memon , Kathleen M. Carley

The growing prosperity of social networks has brought great challenges to the sentimental tendency mining of users. As more and more researchers pay attention to the sentimental tendency of online users, rich research results have been…

计算与语言 · 计算机科学 2019-07-04 Donghang Pan , Jingling Yuan , Lin Li , Deming Sheng

This paper focuses on Sentiment Analysis of Covid-19 related messages from the r/Canada and r/Unitedkingdom subreddits of Reddit. We apply manual annotation and three Machine Learning algorithms to analyze sentiments conveyed in those…

计算与语言 · 计算机科学 2022-05-17 Yilin Yang , Tomas Fieg , Marina Sokolova

Early detection of COVID-19 is crucial for effective treatment and controlling its spread. This study proposes a novel hybrid deep learning model for detecting COVID-19 from CT scan images, designed to assist overburdened medical…

图像与视频处理 · 电气工程与系统科学 2025-01-29 Suresh Babu Nettur , Shanthi Karpurapu , Unnati Nettur , Likhit Sagar Gajja , Sravanthy Myneni , Akhil Dusi , Lalithya Posham

In this work, we collect a moderate-sized representative corpus of tweets (200,000 approx.) pertaining Covid-19 vaccination spanning over a period of seven months (September 2020 - March 2021). Following a Transfer Learning approach, we…

计算与语言 · 计算机科学 2022-11-28 Shakshi Sharma , Rajesh Sharma , Anwitaman Datta

Contact tracing has been globally adopted in the fight to control the infection rate of COVID-19. Thanks to digital technologies, such as smartphones and wearable devices, contacts of COVID-19 patients can be easily traced and informed…

Introduction: Microblogging websites have massed rich data sources for sentiment analysis and opinion mining. In this regard, sentiment classification has frequently proven inefficient because microblog posts typically lack syntactically…

计算与语言 · 计算机科学 2024-03-08 Mojtaba Mazoochi , Leila Rabiei , Farzaneh Rahmani , Zeinab Rajabi

Sentiment analysis (SA) has become an extensive research area in recent years impacting diverse fields including ecommerce, consumer business, and politics, driven by increasing adoption and usage of social media platforms. It is…

计算与语言 · 计算机科学 2021-06-03 Sarojadevi Palani , Prabhu Rajagopal , Sidharth Pancholi

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

The novel corona-virus disease (also known as COVID-19) has led to a pandemic, impacting more than 200 countries across the globe. With its global impact, COVID-19 has become a major concern of people almost everywhere, and therefore there…

计算与语言 · 计算机科学 2020-09-22 Meysam Asgari-Chenaghlu , Narjes Nikzad-Khasmakhi , Shervin Minaee

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

Background: The COVID-19 pandemic has overwhelmed healthcare systems, emphasizing the need for AI-driven tools to assist in rapid and accurate patient prognosis. Chest X-ray imaging is a widely available diagnostic tool, but existing…

图像与视频处理 · 电气工程与系统科学 2025-03-18 Alfred Simbun , Suresh Kumar

There is a vast amount of data generated every second due to the rapidly growing technology in the current world. This area of research attempts to determine the feelings or opinions of people on social media posts. The dataset we used was…

计算与语言 · 计算机科学 2023-01-24 Keshav Kapur , Rajitha Harikrishnan

The recent global outbreak of the coronavirus disease (COVID-19) has spread to all corners of the globe. The international travel ban, panic buying, and the need for self-quarantine are among the many other social challenges brought about…

信息检索 · 计算机科学 2022-12-20 Ankita Agarwal , Preetham Salehundam , Swati Padhee , William L. Romine , Tanvi Banerjee

In response to the COVID-19 pandemic, traditional physical classrooms have transitioned to online environments, necessitating effective strategies to ensure sustained student engagement. A significant challenge in online teaching is the…

计算机视觉与模式识别 · 计算机科学 2023-11-20 Rekha R Nair , Tina Babu , Pavithra K

The objective of this work is to explore popular discourse about the COVID-19 pandemic and policies implemented to manage it. Using Natural Language Processing, Text Mining, and Network Analysis to analyze corpus of tweets that relate to…

社会与信息网络 · 计算机科学 2020-03-24 Christian E. Lopez , Malolan Vasu , Caleb Gallemore

The coronavirus disease (COVID-19) outbreak was declared a pandemic in March 2020 and since then it has had a significant effect on all aspects of life. Although we live in an information era, we do not have accurate information about this…

社会与信息网络 · 计算机科学 2021-04-20 Amin Mahmoudi , Victoria Wai-lan Yeung , Eric W. K. See-To

With the popularity of social networks, and e-commerce websites, sentiment analysis has become a more active area of research in the past few years. On a high level, sentiment analysis tries to understand the public opinion about a specific…

计算与语言 · 计算机科学 2019-04-14 Shervin Minaee , Elham Azimi , AmirAli Abdolrashidi