Showing 20 of 950 academic articles
Sihan Xiong, Yiwei Fu, Asok Ray • Entropy
(2018)
This paper presents a nonparametric regression model of categorical time series in the setting of conditional tensor factorization and Bayes network. The underlying algorithms are developed to provide a flexible and parsimonious representat...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e20060396
Aziz Khan, Shougi S. Abosuliman, Saleem Abdullah, Muhammad Ayaz • Entropy
(2021)
Spherical hesitant fuzzy sets have recently become more popular in various fields. It was proposed as a generalization of picture hesitant fuzzy sets and Pythagorean hesitant fuzzy sets in order to deal with uncertainty and fuzziness inform...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e23040432
Tianbao Song, Zongyi Huang, Xin Liu, Jingbo Sun • Entropy
(2025)
This paper introduces a novel variational autoencoder model termed DVAE to prevent posterior collapse in text modeling. DVAE employs a dual-path architecture within its decoder: path A and path B. Path A makes the direct input of text insta...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e27040423
Wei Zhang, Christof Schütte • Entropy
(2017)
Many interesting rare events in molecular systems, like ligand association, protein folding or conformational changes, occur on timescales that often are not accessible by direct numerical simulation. Therefore, rare event approximation app...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e19070367
Xulun Ye, Jieyu Zhao, Yu Chen • Entropy
(2018)
Multi-manifold clustering is among the most fundamental tasks in signal processing and machine learning. Although the existing multi-manifold clustering methods are quite powerful, learning the cluster number automatically from data is stil...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e20110830
Yanpeng Zhang, Wenjie Dong, Jing Zhang, Qun Ding • Entropy
(2023)
Most existing chaotic systems have many drawbacks in engineering applications, such as the discontinuous range of chaotic parameters, weak chaotic properties, uneven chaotic sequence outputs, and dynamic degradation. Therefore, based on the...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e25071005
M. Hidalgo-Soria, E. Barkai, S. Burov • Entropy
(2021)
We study a two state “jumping diffusivity” model for a Brownian process alternating between two different diffusion constants, D+>D−, with random waiting times in both states whose distribution is rather general. In the limit of long measur...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e23020231
Philippe Loubaton, Florian Dupuy • Entropy
(2012)
This paper provides a comprehensive introduction of large random matrix methods for input covariance matrix optimization of mutual information of MIMO systems. It is first recalled informally how large system approximations of mutual inform...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e14112122
Yuhang Liu, Fei Mei, Jun Zhang, Xiang Dai et al. • Entropy
(2026)
The core component to ensure the refined and safe operation of distribution network scheduling is 10 kV bus load probabilistic prediction. However, existing probabilistic prediction methods suffer from insufficient dynamic feature extractio...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e28030329
Omid Kharazmi, Narayanaswamy Balakrishnan • Entropy
(2021)
In this work, we first consider the discrete version of Fisher information measure and then propose Jensen–Fisher information, to develop some associated results. Next, we consider Fisher information and Bayes–Fisher information measures fo...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e23030363
Sarah E. Marzen, James P. Crutchfield • Entropy
(2022)
Inferring models, predicting the future, and estimating the entropy rate of discrete-time, discrete-event processes is well-worn ground. However, a much broader class of discrete-event processes operates in continuous-time. Here, we provide...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e24111675
Zihao Qiu, Siyu Chen, Zixin Feng, Ruitong Luo et al. • Frontiers in Physics
(2025)
Futures, as significant financial derivatives, play a crucial role in financial markets by fulfilling price discovery functions and providing efficient risk hedging tools. Against the backdrop of geopolitical conflicts, market risk emerges ...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fphy.2025.1674717
Zhiyi Chen, Yancheng Tang, Xuerong Liu, Wei Li et al. • Nature Communications
(2024)
Abstract Depression-anxiety comorbidity is commonly attributed to the occurrence of specific symptoms bridging the two disorders. However, the significant heterogeneity of most bridging symptoms presents challenges for psychopathological in...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41467-024-55008-0
Roberto Aguas Pután • Journal of Science and Research
(2016)
The present article presents the results of the research work related to the social and economic impact of the exploitation of oil in Ecuador, presents the reader with the methodologies that allowed obtaining the results and the most viable...
DOAJ
Open Access (DOAJ)
DOI: 10.26910/issn.2528-8083vol1iss3.2016pp29-32
Shaojie Fan • PLoS ONE
(2024)
In the context of the ESG era, this study provides an in-depth analysis of the ESG practices of listed companies and their impact on business performance in Korea and Taiwan, two of the Four Little Dragons economies in Asia. Although these ...
DOAJ
Open Access (DOAJ)
DOI: 10.1371/journal.pone.0310447
Shihong Wu, Wei Yu, Yanxia Zhao, Hongyan Li et al. • International Journal of Cognitive Computing in Engineering
(2025)
Emergencies inflict heavy casualties, economic losses, ecological damage, and significant social harm to society. By segmenting information topics and analysing emotional shifts, we can identify corresponding real-world events and their imp...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.ijcce.2025.01.006
Peter Kondrla, Eva Durkova • Communications
(2018)
Science and technologies are defined in their foundations as tools for understanding the world. They are tools for simplifying and facilitating the life of man and society. Science and technologies are oriented towards production. The absen...
DOAJ
Open Access (DOAJ)
DOI: 10.26552/com.C.2018.1A.45-50
Linlin Lu, Lecai Liang • Energy Science & Engineering
(2021)
Abstract Buried oil and gas pipelines may face the threat of geological disasters such as landslides, faults, and floods. However, long‐term buried oil and gas pipelines often have corrosion defects, which bring greater challenges to the sa...
DOAJ
Open Access (DOAJ)
DOI: 10.1002/ese3.830
Amit Ghosh, Huimin Zhao, Nathan D Price • PLoS ONE
(2011)
Biofuels derived from lignocellulosic biomass offer promising alternative renewable energy sources for transportation fuels. Significant effort has been made to engineer Saccharomyces cerevisiae to efficiently ferment pentose sugars such as...
DOAJ
Open Access (DOAJ)
DOI: 10.1371/journal.pone.0027316
Juanli Du, Zhiqiang Sun, Chaozhe Jiang • Scientific Reports
(2026)
Abstract Urban rail transit (URT) drivers play a crucial role in ensuring operational safety; however, existing literature lacks in-depth research on the underlying mechanisms influencing driver fatigue in URT systems. To fill this gap, thi...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-026-44865-y