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相关论文: TweetDIS: A Large Twitter Dataset for Natural Disa…

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Online social media platforms, such as Twitter, are one of the most valuable sources of information during disaster events. Therefore, humanitarian organizations, government agencies, and volunteers rely on a summary of this information,…

计算与语言 · 计算机科学 2023-05-22 Piyush Kumar Garg , Roshni Chakraborty , Srishti Gupta , Sourav Kumar Dandapat

Social networks can serve as a valuable communication channel for calls for help, offering assistance, and coordinating rescue activities in disaster. Social networks such as Twitter allow users to continuously update relevant information,…

计算与语言 · 计算机科学 2020-08-25 Long Nguyen , Zhou Yang , Jia Li , Guofeng Cao , Fang Jin

Real-time social media data can provide useful information on evolving hazards. Alongside traditional methods of disaster detection, the integration of social media data can considerably enhance disaster management. In this paper, we…

社会与信息网络 · 计算机科学 2023-01-31 Elena-Simona Apostol , Ciprian-Octavian Truică , Adrian Paschke

Timely classification of humanitarian information from social media is critical for effective disaster response. However, deploying large language models (LLMs) for this task faces challenges in resource-constrained emergency settings. This…

计算与语言 · 计算机科学 2026-02-16 Han Jinzhen , Kim Jisung , Yang Jong Soo , Yun Hong Sik

Disaster events often unfold rapidly, necessitating a swift and effective response. Developing action plans, resource allocation, and resolution of help requests in disaster scenarios is time-consuming and complex since disaster-relevant…

计算机与社会 · 计算机科学 2024-09-04 Samia Abid , Bhupesh Kumar Mishra , Dhavalkumar Thakker , Nishikant Mishra

Identification and categorization of social media posts generated during disasters are crucial to reduce the sufferings of the affected people. However, lack of labeled data is a significant bottleneck in learning an effective…

计算与语言 · 计算机科学 2024-10-28 Samujjwal Ghosh , Subhadeep Maji , Maunendra Sankar Desarkar

This paper contributes a new large-scale dataset for weakly supervised cross-media retrieval, named Twitter100k. Current datasets, such as Wikipedia, NUS Wide and Flickr30k, have two major limitations. First, these datasets are lacking in…

计算机视觉与模式识别 · 计算机科学 2017-03-21 Yuting Hu , Liang Zheng , Yi Yang , Yongfeng Huang

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

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

Many cyber network defense tools rely on the National Vulnerability Database (NVD) to provide timely information on known vulnerabilities that exist within systems on a given network. However, recent studies have indicated that the NVD is…

机器学习 · 计算机科学 2021-04-26 Kenneth Alperin , Emily Joback , Leslie Shing , Gabe Elkin

This paper examines collaborative sensemaking during severe weather events through the emerging phenomenon of "weatherfluencers" or content creators who livestream meteorological interpretation on platforms like YouTube. Drawing from…

人机交互 · 计算机科学 2026-05-19 Julie A. Vera , Mark Zachry , David W. McDonald

The extensive use of social media platforms, especially during disasters, creates unique opportunities for humanitarian organizations to gain situational awareness and launch relief operations accordingly. In addition to the textual…

计算机与社会 · 计算机科学 2017-04-11 Dat Tien Nguyen , Firoj Alam , Ferda Ofli , Muhammad Imran

Social media data has emerged as a useful source of timely information about real-world crisis events. One of the main tasks related to the use of social media for disaster management is the automatic identification of crisis-related…

计算与语言 · 计算机科学 2022-11-01 Cinthia Sánchez , Hernan Sarmiento , Andres Abeliuk , Jorge Pérez , Barbara Poblete

Over the last decade, similar to other application domains, social media content has been proven very effective in disaster informatics. However, due to the unstructured nature of the data, several challenges are associated with disaster…

计算与语言 · 计算机科学 2024-05-03 Ayaz Mehmood , Muhammad Tayyab Zamir , Muhammad Asif Ayub , Nasir Ahmad , Kashif Ahmad

Semi-supervised learning approaches have been investigated as a means to enhance the analysis of social media data in disaster management contexts. In this work, we present the first empirical evaluation of large language model (LLM) guided…

Denial of Service (DoS) attacks are common in on-line and mobile services such as Twitter, Facebook and banking. As the scale and frequency of Distributed Denial of Service (DDoS) attacks increase, there is an urgent need for determining…

社会与信息网络 · 计算机科学 2019-09-16 Chi Zhang , Bryan Wilkinson , Ashwinkumar Ganesan , Tim Oates

While it is well-documented that climate change accepters and deniers have become increasingly polarized in the United States over time, there has been no large-scale examination of whether these individuals are prone to changing their…

计算与语言 · 计算机科学 2020-06-09 Allison Koenecke , Jordi Feliu-Fabà

Images shared on social media help crisis managers gain situational awareness and assess incurred damages, among other response tasks. As the volume and velocity of such content are typically high, real-time image classification has become…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Firoj Alam , Tanvirul Alam , Muhammad Imran , Ferda Ofli

Due to instant availability of data on social media platforms like Twitter, and advances in machine learning and data management technology, real-time crisis informatics has emerged as a prolific research area in the last decade. Although…

信息检索 · 计算机科学 2018-01-19 Mayank Kejriwal , Yao Gu

The increasing popularity of social networks and users' tendency towards sharing their feelings, expressions, and opinions in text, visual, and audio content, have opened new opportunities and challenges in sentiment analysis. While…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Syed Zohaib Hassan , Kashif Ahmad , Steven Hicks , Paal Halvorsen , Ala Al-Fuqaha , Nicola Conci , Michael Riegler