English
Related papers

Related papers: Finding Relevant Flood Images on Twitter using Con…

200 papers

The analysis of natural disasters such as floods in a timely manner often suffers from limited data due to a coarse distribution of sensors or sensor failures. This limitation could be alleviated by leveraging information contained in…

Information Retrieval · Computer Science 2020-03-24 Björn Barz , Kai Schröter , Moritz Münch , Bin Yang , Andrea Unger , Doris Dransch , Joachim Denzler

"Social sensing" is a form of crowd-sourcing that involves systematic analysis of digital communications to detect real-world events. Here we consider the use of social sensing for observing natural hazards. In particular, we present a case…

Human-Computer Interaction · Computer Science 2018-07-04 Rudy Arthur , Chris A. Boulton , Humphrey Shotton , Hywel T. P. Williams

Social media such as tweets are emerging as platforms contributing to situational awareness during disasters. Information shared on Twitter by both affected population (e.g., requesting assistance, warning) and those outside the impact zone…

Information Retrieval · Computer Science 2017-05-08 Hien To , Sumeet Agrawal , Seon Ho Kim , Cyrus Shahabi

Floods are among the most frequent and catastrophic natural disasters and affect millions of people worldwide. It is important to create accurate flood maps to plan (offline) and conduct (real-time) flood mitigation and flood rescue…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 P. Chaudhary , S. D'Aronco , J. P. Leitao , K. Schindler , J. D. Wegner

The paper presents our proposed solutions for the MediaEval 2020 Flood-Related Multimedia Task, which aims to analyze and detect flooding events in multimedia content shared over Twitter. In total, we proposed four different solutions…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Firoj Alam , Zohaib Hassan , Kashif Ahmad , Asma Gul , Michael Reiglar , Nicola Conci , Ala AL-Fuqaha

Social media generates an enormous amount of data on a daily basis but it is very challenging to effectively utilize the data without annotating or labeling it according to the target application. We investigate the problem of localized…

Computation and Language · Computer Science 2020-03-12 Neha Singh , Nirmalya Roy , Aryya Gangopadhyay

In this paper, we present our methods for the MediaEval 2020 Flood Related Multimedia task, which aims to analyze and combine textual and visual content from social media for the detection of real-world flooding events. The task mainly…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Naina Said , Kashif Ahmad , Asma Gul , Nasir Ahmad , Ala Al-Fuqaha

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…

Computers and Society · Computer Science 2017-04-11 Dat Tien Nguyen , Firoj Alam , Ferda Ofli , Muhammad Imran

Events detected from social media streams often include early signs of accidents, crimes or disasters. Therefore, they can be used by related parties for timely and efficient response. Although significant progress has been made on event…

Social and Information Networks · Computer Science 2020-02-12 Yi Han , Shanika Karunasekera , Christopher Leckie

During natural and man-made disasters, people use social media platforms such as Twitter to post textual and multime- dia content to report updates about injured or dead people, infrastructure damage, and missing or found people among other…

Social and Information Networks · Computer Science 2018-05-03 Firoj Alam , Ferda Ofli , Muhammad Imran

In recent years, social media has been widely explored as a potential source of communication and information in disasters and emergency situations. Several interesting works and case studies of disaster analytics exploring different…

Computation and Language · Computer Science 2023-01-03 Wisal Mukhtiar , Waliiya Rizwan , Aneela Habib , Yasir Saleem Afridi , Laiq Hasan , Kashif Ahmad

Streaming social media provides a real-time glimpse of extreme weather impacts. However, the volume of streaming data makes mining information a challenge for emergency managers, policy makers, and disciplinary scientists. Here we explore…

Lack of global data inventories obstructs scientific modeling of and response to landslide hazards which are oftentimes deadly and costly. To remedy this limitation, new approaches suggest solutions based on citizen science that requires…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Ferda Ofli , Muhammad Imran , Umair Qazi , Julien Roch , Catherine Pennington , Vanessa J. Banks , Remy Bossu

Floods are the most common and among the most severe natural disasters in many countries around the world. As global warming continues to exacerbate sea level rise and extreme weather, governmental authorities and environmental agencies are…

Applications · Statistics 2021-10-07 Lauren Ansell , Luciana Dalla Valle

Responding to natural disasters, such as earthquakes, floods, and wildfires, is a laborious task performed by on-the-ground emergency responders and analysts. Social media has emerged as a low-latency data source to quickly understand…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Ethan Weber , Nuria Marzo , Dim P. Papadopoulos , Aritro Biswas , Agata Lapedriza , Ferda Ofli , Muhammad Imran , Antonio Torralba

Mumbai, a densely populated city, experiences frequent extreme rainfall events leading to floods and waterlogging. However, the lack of real-time flood monitoring and detailed past flooding data limits the scientific analysis to extreme…

Social media platforms are a rich source of information these days, however, of all the available information, only a small fraction is of users' interest. To help users catch up with the latest topics of their interests from the large…

Information Retrieval · Computer Science 2016-06-24 Cailing Dong , Arvind Agarwal

Massive and diverse web data are increasingly vital for government disaster response, as demonstrated by the 2022 floods in New South Wales (NSW), Australia. This study examines how X (formerly Twitter) and public inquiry submissions…

Computation and Language · Computer Science 2025-05-26 Xian Gong , Paul X. McCarthy , Lin Tian , Marian-Andrei Rizoiu

In this contribution, we develop an accurate and effective event detection method to detect events from a Twitter stream, which uses visual and textual information to improve the performance of the mining process. The method monitors a…

Information Retrieval · Computer Science 2015-03-16 Samar M. Alqhtani , Suhuai Luo , Brian Regan

Social media has become an essential channel for posting disaster-related information, which provide governments and relief agencies real-time data for better disaster management. However, research in this field has not received sufficient…

Social and Information Networks · Computer Science 2021-07-13 Zhijie Sasha Dong , Lingyu Meng , Lauren Christenson , Lawrence Fulton
‹ Prev 1 2 3 10 Next ›