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Academic Articles & Research Papers
Showing 20 of 23,220 academic articles
Senyefia Bosson-Amedenu, Emmanuel Ayitey, Francis Ayiah-Mensah, Luyton Asare • BMC Cancer
(2025)
Abstract Background Frailty models are extensively utilized in survival analysis to address unobserved heterogeneity among individuals. However, selecting the most robust model for survival prediction, especially in the context of high-dime...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12885-025-14040-z
Rhoda Dadzie-Dennis, Samuel K.-B. Dzidzornu • Journal of Applied Mathematics
(2026)
The study contributes a contemporary perspective to the evolving discourse on the relative performance of three managed investing styles: Deep Value, Growth, and Blended portfolios. Deep Value investing focuses on fundamentally strong but u...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/jama/8261109
Marie Gaille, Marco Araneda, Clément Dubost, Clémence Guillermain et al. • BMC Medical Ethics
(2020)
Abstract Background The discovery of biomarkers of ageing has led to the development of predictors of impending natural death and has paved the way for personalised estimation of the risk of death in the general population. This study inten...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12910-020-00502-5
Dong-Woo Han, Wonyoung Jung, Kyu Na Lee, Kyungdo Han et al. • Scientific Reports
(2023)
Abstract Smoking patients with diabetes mellitus (DM) are at greater risk of developing pneumonia. How smoking behavior changes affect the risk of pneumonia hospitalization, however, remains unclear. Therefore, we investigated the associati...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-023-40658-9
Sipeng Shen, Ruyang Zhang, Yue Jiang, Yi Li et al. • Molecular Cancer
(2021)
Abstract N6-Methyladenosine (m6A) is an RNA modification that interacts with numerous coding and non-coding RNAs and plays important roles in the development of cancers. Nonetheless, the clinical impacts of m6A interactive genes on these ca...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12943-021-01362-2
Sylvester Sebola, Niladri Chakraborty, Morné Rowan Sjölander • Mathematics
(2026)
This paper proposes a combined maximal precedence–exceedance test (MPErs) that integrates maximal precedence and maximal exceedance statistics tests to provide sensitivity to both early and late distributional differences between two sample...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/math14203658
Muhammad Adil Khan, Hidayat Ullah, Tareq Saeed, Zaid M. M. M. Sayed et al. • Complexity
(2024)
The field of mathematical inequalities has exerted a profound influence across a multitude of scientific disciplines, making it a captivating and expansive domain ripe for research investigation. This article offers estimations for the Slat...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2024/8481103
Asfand Fahad, Zammad Ali, Shigeru Furuichi, Yuanheng Wang • Alexandria Engineering Journal
(2025)
Due to applicability of mathematical inequalities in control systems, actuarial science, information theory and its utilization in other sciences, several researchers are inclined to prove their refinements and generalizations. In the study...
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Open Access (DOAJ)
DOI: 10.1016/j.aej.2024.11.034
Pekka Korhonen, Francis K.C. Hui, Jenni Niku, Sara Taskinen et al. • PeerJ
(2025)
Background Over the past decade, joint species distribution models (JSDMs) and model-based ordination have emerged as powerful tools for the analysis of community ecology data. Generalized linear latent variable models (GLLVMs) offer a flex...
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Open Access (DOAJ)
DOI: 10.7717/peerj.20338
Shuanming Li, Yi Lu • Risks
(2018)
This paper studies the moments and the distribution of the aggregate discounted claims (ADCs) in a Markovian environment, where the claim arrivals, claim amounts, and forces of interest (for discounting) are influenced by an underlying Mark...
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Open Access (DOAJ)
DOI: 10.3390/risks6020059
Ambrose Lo • Statistical Theory and Related Fields
(2020)
DOAJ
Open Access (DOAJ)
DOI: 10.1080/24754269.2020.1777026
Xian-hua ZHOU, Yun-bo WANG, Hua-dong ZHANG, Ke WANG • Journal of Integrative Agriculture
(2015)
This study investigates the optimal reinsurance for crop insurance in China in an insurer's perspective using the data from Inner Mongolia, Jilin, and Liaoning, China. On the basis of the loss ratio distributions modeled by AnHua Crop Risk ...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/S2095-3119(14)60998-9
Samuel Asante Gyamerah, Victor Owusu, Stephen Oppong Kwakye • Scientific African
(2024)
The impacts of climate variability indicators on crop yields have attracted global attention over the years. This is particularly so because of the growing concern about the effect of climate change on sustainable food production, especiall...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.sciaf.2024.e02314
Worlanyo Kwadjo Siabi, Emmanuel Degraft-Johnson Owusu-Ansah, Helen Michelle Korkor Essandoh, Nana Yaw Asiedu • Water-Energy Nexus
(2021)
Nearly 6494 boreholes with iron (Fe) and manganese (Mn) concentrations above permissible limits of 0.3 mg/L and 0.4 mg/L respectively in Ghana have been abandoned because of ineffective water treatment solutions. Activated carbon prepared f...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.wen.2021.02.001
Jennifer Belt Antwi, Nana Kena Frempong • Mathematics in Medical and Life Sciences
(2026)
Background: The classic Wells–Riley model (CWRM) is a well-established framework for estimating airborne infection risk in shared indoor environments. This study extends the framework to simultaneously incorporate fecal–oral transmission, a...
DOAJ
Open Access (DOAJ)
DOI: 10.1080/29937574.2026.2714847
Šoltés Erik, Vojtková Mária, Šoltésová Tatiana • Moravian Geographical Reports
(2020)
With respect to the fulfillment of the objectives of the Europe 2020 strategy, the threat of poverty and social exclusion has not been sufficiently reduced in the European Union (EU) over the past decade, and large regional disparities pers...
DOAJ
Open Access (DOAJ)
DOI: 10.2478/mgr-2020-0001
Sangmo Hong, Kyungdo Han, Cheol-Young Park • Endocrinology and Metabolism
(2025)
Acromegaly is a rare endocrine disorder caused by excessive growth hormone secretion. Its low prevalence poses challenges in studying its long-term prognosis and systemic effects. To address this research gap, we conducted five studies usin...
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Open Access (DOAJ)
DOI: 10.3803/EnM.2024.2285
Yan Dora Zhang, Amber N. Hurson, Haoyu Zhang, Parichoy Pal Choudhury et al. • Nature Communications
(2020)
In cancer many gene variants may contribute to disease etiology, but the impact of a given gene variant may have varied effect size. Here, the authors analyse summary statistics of genome-wide association studies from fourteen cancers, and ...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41467-020-16483-3
Eric Nyarko, Irene A. Kretchy, Grace Lovia Allotey-Babington, Adwoa Oforiwaa Kwakye et al. • BMC Infectious Diseases
(2026)
Abstract Background Poor adherence to antiretroviral therapy (ART) continues to undermine HIV treatment outcomes in sub-Saharan Africa, including Ghana. Objective This study aimed to quantify ART treatment adherence among people living with...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s12879-026-13836-z
I Nyoman Widana, Ni Luh Putu Suciptawati, Sulma Sulma • Barekeng
(2024)
Program Education plays a vital role in improving human resources. But on the other hand, education costs are not cheap. For this reason, people need to prepare education funds from an early age. One way is to take part in an education insu...
DOAJ
Open Access (DOAJ)
DOI: 10.30598/barekengvol18iss4pp2555-2562