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Related papers: TweetDrought: A Deep-Learning Drought Impacts Reco…

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Applying deep learning and computational intelligence to finance has been a popular area of applied research, both within academia and industry, and continues to attract active attention. The inherently high volatility and non-stationary of…

Machine Learning · Computer Science 2025-03-17 Michael Charles Albada , Mojolaoluwa Joshua Sonola

Drought is one of the most destructive and expensive natural disasters, severely impacting natural resources and risks by depleting water resources and diminishing agricultural yields. Under climate change, accurately predicting drought is…

Machine Learning · Computer Science 2024-12-20 Xuwei Tan , Qian Zhao , Yanlan Liu , Xueru Zhang

We implement traditional machine learning and deep learning methods for global tweets from 2017-2022 to build a high-frequency measure of the public's sentiment index on inflation and analyze its correlation with other online data sources…

Econometrics · Economics 2022-12-15 Xinyu Li , Zihan Tang

Information from social media can provide essential information for emergency response during natural disasters in near real-time. However, it is difficult to identify the disaster-related posts among the large amounts of unstructured data…

Computation and Language · Computer Science 2024-08-20 David Hanny , Sebastian Schmidt , Bernd Resch

The role of social media, in particular microblogging platforms such as Twitter, as a conduit for actionable and tactical information during disasters is increasingly acknowledged. However, time-critical analysis of big crisis data on…

Computation and Language · Computer Science 2016-08-16 Dat Tien Nguyen , Kamela Ali Al Mannai , Shafiq Joty , Hassan Sajjad , Muhammad Imran , Prasenjit Mitra

With the growth of social medias, such as Twitter, plenty of user-generated data emerge daily. The short texts published on Twitter -- the tweets -- have earned significant attention as a rich source of information to guide many…

Artificial Intelligence · Computer Science 2021-06-01 Sérgio Barreto , Ricardo Moura , Jonnathan Carvalho , Aline Paes , Alexandre Plastino

Drought has become a critical global threat with significant societal impact. Existing drought monitoring solutions primarily focus on assessing drought severity using quantitative measurements, overlooking the diverse societal impact of…

Social and Information Networks · Computer Science 2024-12-18 Lanyu Shang , Bozhang Chen , Shiwei Liu , Yang Zhang , Ruohan Zong , Anav Vora , Ximing Cai , Na Wei , Dong Wang

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

Generated hateful and toxic content by a portion of users in social media is a rising phenomenon that motivated researchers to dedicate substantial efforts to the challenging direction of hateful content identification. We not only need an…

Social and Information Networks · Computer Science 2019-10-29 Marzieh Mozafari , Reza Farahbakhsh , Noel Crespi

Background: Eating disorders are increasingly prevalent, and social networks offer valuable information. Objective: Our goal was to identify efficient machine learning models for categorizing tweets related to eating disorders. Methods:…

Misinformation spread over social media has become an undeniable infodemic. However, not all spreading claims are made equal. If propagated, some claims can be destructive, not only on the individual level, but to organizations and even…

Computation and Language · Computer Science 2022-11-10 Maram Hasanain , Tamer Elsayed

The rise in online misinformation in recent years threatens democracies by distorting authentic public discourse and causing confusion, fear, and even, in extreme cases, violence. There is a need to understand the spread of false content…

Objective: The objective of this study is to develop a deep learning pipeline to detect signals on dietary supplement-related adverse events (DS AEs) from Twitter. Material and Methods: We obtained 247,807 tweets ranging from 2012 to 2018…

Computation and Language · Computer Science 2021-06-23 Yefeng Wang , Yunpeng Zhao , Jiang Bian , Rui Zhang

The analysis of natural disasters such as floods in a timely manner often suffers from limited data due to coarsely distributed sensors or sensor failures. At the same time, a plethora of information is buried in an abundance of images of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-12 Björn Barz , Kai Schröter , Ann-Christin Kra , Joachim Denzler

The use of transfer learning methods is largely responsible for the present breakthrough in Natural Learning Processing (NLP) tasks across multiple domains. In order to solve the problem of sentiment detection, we examined the performance…

Computation and Language · Computer Science 2023-07-05 Olumide Ebenezer Ojo , Hoang Thang Ta , Alexander Gelbukh , Hiram Calvo , Olaronke Oluwayemisi Adebanji , Grigori Sidorov

Research shows that exposure to suicide-related news media content is associated with suicide rates, with some content characteristics likely having harmful and others potentially protective effects. Although good evidence exists for a few…

Computation and Language · Computer Science 2022-06-29 Hannah Metzler , Hubert Baginski , Thomas Niederkrotenthaler , David Garcia

Understanding the adaptation process of plants to drought stress is essential in improving management practices, breeding strategies as well as engineering viable crops for a sustainable agriculture in the coming decades. Hyper-spectral…

Drought is a complex natural hazard that affects ecological and human systems, often resulting in substantial environmental and economic losses. Recent increases in drought severity, frequency, and duration underscore the need for effective…

In this paper, we investigate the issue of detecting the real-life influence of people based on their Twitter account. We propose an overview of common Twitter features used to characterize such accounts and their activity, and show that…

Social and Information Networks · Computer Science 2021-08-06 Jean-Val{è}re Cossu , Nicolas Dugu{é} , Vincent Labatut

Effective disaster response is critical for affected communities. Responders and decision-makers would benefit from reliable, timely measures of the issues impacting their communities during a disaster, and social media offers a potentially…

Social and Information Networks · Computer Science 2024-01-11 Zihui Ma , Lingyao Li , Libby Hemphill , Gregory B. Baecher , Yubai Yuan