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Nowadays, offensive content in social media has become a serious problem, and automatically detecting offensive language is an essential task. In this paper, we build an offensive language detection system, which combines multi-task…

计算与语言 · 计算机科学 2020-07-21 Wenliang Dai , Tiezheng Yu , Zihan Liu , Pascale Fung

The shared real-time information about natural disasters on social media platforms like Twitter and Facebook plays a critical role in informing volunteers, emergency managers, and response organizations. However, supervised learning models…

计算与语言 · 计算机科学 2023-10-24 Henry Peng Zou , Yue Zhou , Cornelia Caragea , Doina Caragea

Graph structures are powerful tools for modeling the relationships between textual elements. Graph-of-Words (GoW) has been adopted in many Natural Language tasks to encode the association between terms. However, GoW provides few…

计算与语言 · 计算机科学 2021-01-12 Xiaonan Jing , Julia Taylor Rayz

Street scene datasets, collected from Street View or dashboard cameras, offer a promising means of detecting urban objects and incidents like street flooding. However, a major challenge in using these datasets is their lack of reliable…

机器学习 · 计算机科学 2025-03-27 Matt Franchi , Nikhil Garg , Wendy Ju , Emma Pierson

The rapid growth of social media has resulted in an explosion of online news content, leading to a significant increase in the spread of misleading or false information. While machine learning techniques have been widely applied to detect…

计算与语言 · 计算机科学 2024-12-10 Hao Chen , Hui Guo , Baochen Hu , Shu Hu , Jinrong Hu , Siwei Lyu , Xi Wu , Xin Wang

Flooding is the world's most costly type of natural disaster in terms of both economic losses and human causalities. A first and essential procedure towards flood monitoring is based on identifying the area most vulnerable to flooding,…

Although not all bots are malicious, the vast majority of them are responsible for spreading misinformation and manipulating the public opinion about several issues, i.e., elections and many more. Therefore, the early detection of bots is…

计算与语言 · 计算机科学 2024-07-31 Loukas Ilias , Ioannis Michail Kazelidis , Dimitris Askounis

The unmoderated nature of social media enables the diffusion of hoaxes, which in turn jeopardises the credibility of information gathered from social media platforms. Existing research on automated detection of hoaxes has the limitation of…

计算与语言 · 计算机科学 2020-06-16 Arkaitz Zubiaga , Aiqi Jiang

The Visual Sentiment Analysis task is being offered for the first time at MediaEval. The main purpose of the task is to predict the emotional response to images of natural disasters shared on social media. Disaster-related images are…

计算与语言 · 计算机科学 2021-11-24 Syed Zohaib Hassan , Kashif Ahmad , Michael A. Riegler , Steven Hicks , Nicola Conci , Paal Halvorsen , Ala Al-Fuqaha

Social media in present times has a significant and growing influence. Fake news being spread on these platforms have a disruptive and damaging impact on our lives. Furthermore, as multimedia content improves the visibility of posts more…

多媒体 · 计算机科学 2024-06-13 Mudit Dhawan , Shakshi Sharma , Aditya Kadam , Rajesh Sharma , Ponnurangam Kumaraguru

While keyphrase extraction has received considerable attention in recent years, relatively few studies exist on extracting keyphrases from social media platforms such as Twitter, and even fewer for extracting disaster-related keyphrases…

信息检索 · 计算机科学 2019-10-18 Jishnu Ray Chowdhury , Cornelia Caragea , Doina Caragea

Floods wreak havoc throughout the world, causing billions of dollars in damages, and uprooting communities, ecosystems and economies. The NASA Impact Flood Detection competition tasked participants with predicting flooded pixels after…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Sayak Paul , Siddha Ganju

Disaster analysis in social media content is one of the interesting research domains having abundance of data. However, there is a lack of labeled data that can be used to train machine learning models for disaster analysis applications.…

计算机视觉与模式识别 · 计算机科学 2019-09-30 Naina Said , Kashif Ahmad , Nicola Conci , Ala Al-Fuqaha

In recent years, people spend a lot of time on social networks. They use social networks as a place to comment on personal or public events. Thus, a large amount of information is generated and shared daily in these networks. Using such a…

社会与信息网络 · 计算机科学 2020-10-05 Parinaz Rahimizadeh , Mohammad Javad Shayegan

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

Social media has become an integral part of our daily lives. During time-critical events, the public shares a variety of posts on social media including reports for resource needs, damages, and help offerings for the affected community.…

社会与信息网络 · 计算机科学 2019-11-04 Ganesh Nalluru , Rahul Pandey , Hemant Purohit

Recently, online social media has become a primary source for new information and misinformation or rumours. In the absence of an automatic rumour detection system the propagation of rumours has increased manifold leading to serious…

计算与语言 · 计算机科学 2022-12-21 Shaswat Patel , Prince Bansal , Preeti Kaur

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

Scene text retrieval aims to localize and search all text instances from an image gallery, which are the same or similar to a given query text. Such a task is usually realized by matching a query text to the recognized words, outputted by…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Hao Wang , Xiang Bai , Mingkun Yang , Shenggao Zhu , Jing Wang , Wenyu Liu

Timely and accurate floodwater depth estimation is critical for road accessibility and emergency response. While recent computer vision methods have enabled flood detection, they suffer from both accuracy limitations and poor generalization…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Zhangding Liu , Neda Mohammadi , John E. Taylor