Results 11 to 20 of about 556,681 (266)

A new method for assessment of regional drought risk: information diffusion and interval mapping adjustment based on k-means cluster points

open access: yesJournal of Water and Climate Change, 2022
Aiming at the defect that there is no ability for the conventional weighted comprehensive assessment method (WCA) to grade drought risk directly, a method based on k-means cluster points to realize the classification of drought risk is proposed in this ...
Wentao Xu, Ming Tang, Yanlei Li
doaj   +1 more source

Exploring Spillover Effects for COVID-19 Cascade Prediction

open access: yesEntropy, 2022
An information outbreak occurs on social media along with the COVID-19 pandemic and leads to an infodemic. Predicting the popularity of online content, known as cascade prediction, allows for not only catching in advance information that deserves ...
Ninghan Chen   +3 more
doaj   +1 more source

Evaluating time domain reflectometry and coaxial impedance sensors for soil observations by the U.S. Climate Reference Network

open access: yesVadose Zone Journal, 2020
The objective of this study was to evaluate the performance of two commercial‐grade electromagnetic sensors in measuring soil water content for the U.S. Climate Reference Network (USCRN). One sensor was a 50‐MHz coaxial impedance dielectric sensor (model
Timothy B. Wilson   +8 more
doaj   +1 more source

Detection of Rapidly Spreading Hashtags via Social Networks

open access: yesIEEE Access, 2020
Social network services (SNSs) such as Twitter and Facebook have emerged as a new medium for communication. They offer a unique mechanism of sharing information by allowing users to receive all messages posted by those whom they “follow” ...
Younghoon Kim, Jiwon Seo
doaj   +1 more source

The Roles of Information Diffusion on Financial Risk Spreading on Two-Layer Networks

open access: yesFrontiers in Physics, 2022
The financial risk spreads widely on the financial network and the risk information diffuses broadly on the social networks. How the information diffusion affects the financial risk spreading still lacks mathematical study. This paper proposes a model to
Min Lin, Li Duan, Yanjin Li, Qin Xiao
doaj   +1 more source

Information Diffusion and Revenue Optimization in Distribution Market

open access: yesIEEE Access, 2020
Intermediaries refer to agents that facilitate the resource allocation under certain constrain conditions. In a distribution market, buyers and sellers often interact via intermediaries and pay commissions to them.
Bin Li   +4 more
doaj   +1 more source

A Comparison of Four Information Diffusion Inspired-Based Models According to Real Data Diffusion Similarity

open access: yesSyrian Journal for Science and Innovation, 2023
The rapid revolution in web technology has brought much attention to social media platforms. The main focus was on how information spreads across the network topology. Various information diffusion models have been introduced to study diffusion on social
Amjad Alloush   +2 more
doaj   +1 more source

The Information Dynamics of Generative Diffusion [PDF]

open access: yesEntropy
Generative diffusion models have emerged as a powerful class of models in machine learning, yet a unified theoretical understanding of their operation is still developing. This paper provides an integrated perspective on generative diffusion by connecting the information-theoretic, dynamical, and thermodynamic aspects.
Dejan Stančević, Luca Ambrogioni
openaire   +4 more sources

Information Diffusion in International Markets [PDF]

open access: yesSSRN Electronic Journal, 2003
Specific information on trade and financial markets across international borders is costly to acquire. Sellers and buyers rely instead on information obtained from partner behavior in other countries. Three channels are identified through which information is disseminated in import and equity markets of 14 OECD countries.
Alejandro Izquierdo   +2 more
openaire   +7 more sources

AN ONLINE FRAMEWORK FOR CIVIL UNREST PREDICTION USING TWEET STREAM BASED ON TWEET WEIGHT AND EVENT DIFFUSION

open access: yesJournal of ICT, 2019
Twitter is one of most popular Internet-based social networking platform to share feelings, views, and opinions. In recent years, many researchers have utilized the social dynamic property of posted messages or tweets to predict civil unrest in advance ...
Md Kamrul Islam   +3 more
doaj   +1 more source

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