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Countless disasters have resulted from climate change, causing severe damage to infrastructure and the economy. These disasters have significant societal impacts, necessitating mental health services for the millions affected. To prepare…

信息检索 · 计算机科学 2024-08-22 Thomas Hoang , Quynh Anh Nguyen , Long Nguyen

Social media have become a significant venue for information sharing of live updates. Users of social media are producing and sharing large amount of personal data as a part of the live updates. A significant percentage of this data…

计算机与社会 · 计算机科学 2015-12-03 Davut Deniz Yavuz , Osman Abul

Identifying user stance related to a political event has several applications, like determination of individual stance, shaping of public opinion, identifying popularity of government measures and many others. The huge volume of political…

社会与信息网络 · 计算机科学 2022-01-20 Roshni Chakraborty , Maitry Bhavsar , Sourav Kumar Dandapat , Joydeep Chandra

In current study, a mechanism to extract traffic related information such as congestion and incidents from textual data from the internet is proposed. The current source of data is Twitter. As the data being considered is extremely large in…

计算与语言 · 计算机科学 2018-01-20 Chandra Khatri

Predicting the geographical location of users on social networks like Twitter is an active research topic with plenty of methods proposed so far. Most of the existing work follows either a content-based or a network-based approach. The…

社会与信息网络 · 计算机科学 2018-05-15 Tien Huu Do , Duc Minh Nguyen , Evaggelia Tsiligianni , Bruno Cornelis , Nikos Deligiannis

It is very critical to analyze messages shared over social networks for cyber threat intelligence and cyber-crime prevention. In this study, we propose a method that leverages both domain-specific word embeddings and task-specific features…

The widespread use of microblogging platforms like X (formerly Twitter) during disasters provides real-time information to governments and response authorities. However, the data from these platforms is often noisy, requiring automated…

计算与语言 · 计算机科学 2024-12-17 Muhammad Imran , Abdul Wahab Ziaullah , Kai Chen , Ferda Ofli

Decision-makers in the humanitarian sector rely on timely and exact information during crisis events. Knowing how many civilians were injured during an earthquake is vital to allocate aids properly. Information about such victim counts is…

计算与语言 · 计算机科学 2023-02-27 Mian Zhong , Shehzaad Dhuliawala , Niklas Stoehr

Social media has become a critical source of situational awareness during disasters, providing real-time insights into evolving impacts and emerging needs. To support crisis response at scale, recent work has increasingly leveraged large…

计算机与社会 · 计算机科学 2026-05-05 Timothy Douglas , Roben Delos Reyes , Asanobu Kitamoto

When a damaging earthquake occurs, immediate information about casualties is critical for time-sensitive decision-making by emergency response and aid agencies in the first hours and days. Systems such as Prompt Assessment of Global…

计算与语言 · 计算机科学 2023-12-08 Chenguang Wang , Davis Engler , Xuechun Li , James Hou , David J. Wald , Kishor Jaiswal , Susu Xu

Earthquake signals are non-stationary in nature and thus in real-time, it is difficult to identify and classify events based on classical approaches like peak ground displacement, peak ground velocity. Even the popular algorithm of STA/LTA…

信号处理 · 电气工程与系统科学 2021-01-19 Tonumoy Mukherjee , Chandrani Singh , Prabir Kumar Biswas

Online social networks allow different agencies and the public to interact and share the underlying risks and protective actions during major disasters. This study revealed such crisis communication patterns during hurricane Laura…

社会与信息网络 · 计算机科学 2024-04-01 Khondhaker Al Momin , H M Imran Kays , Arif Mohaimin Sadri

During disasters, extracting causal relations from social media can strengthen situational awareness by identifying factors linked to casualties, physical damage, infrastructure disruption, and cascading impacts. However, disaster-related…

计算与语言 · 计算机科学 2026-05-13 Ujun Jeong , Saketh Vishnubhatla , Bohan Jiang , Andre Harrison , Adrienne Raglin , Huan Liu

The use of social media as a means of communication has significantly increased over recent years. There is a plethora of information flow over the different topics of discussion, which is widespread across different domains. The ease of…

社会与信息网络 · 计算机科学 2019-11-14 Ganesh Nalluru , Rahul Pandey , Hemant Purohit

This work introduces a general method for automatically finding the locations where political events in text occurred. Using a novel set of 8,000 labeled sentences, I create a method to link automatically extracted events and locations in…

计算与语言 · 计算机科学 2019-05-31 Andrew Halterman

Applying natural language processing for mining and intelligent information access to tweets (a form of microblog) is a challenging, emerging research area. Unlike carefully authored news text and other longer content, tweets pose a number…

Social media aids disaster response but suffers from noise, hindering accurate impact assessment and decision making for resilient cities, which few studies considered. To address the problem, this study proposes the first domain-specific…

计算与语言 · 计算机科学 2024-06-03 Jin Han , Zhe Zheng , Xin-Zheng Lu , Ke-Yin Chen , Jia-Rui Lin

To be prepared against cyberattacks, most organizations resort to security information and event management systems to monitor their infrastructures. These systems depend on the timeliness and relevance of the latest updates, patches and…

机器学习 · 计算机科学 2019-04-03 Nuno Dionísio , Fernando Alves , Pedro M. Ferreira , Alysson Bessani

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

The problem of predicting the location of users on large social networks like Twitter has emerged from real-life applications such as social unrest detection and online marketing. Twitter user geolocation is a difficult and active research…

机器学习 · 计算机科学 2017-12-22 Tien Huu Do , Duc Minh Nguyen , Evaggelia Tsiligianni , Bruno Cornelis , Nikos Deligiannis