Results 41 to 50 of about 548,222 (296)

On the dynamics of social conflicts: looking for the Black Swan [PDF]

open access: yes, 2012
This paper deals with the modeling of social competition, possibly resulting in the onset of extreme conflicts. More precisely, we discuss models describing the interplay between individual competition for wealth distribution that, when coupled with ...
Bellomo, Nicola   +2 more
core   +4 more sources

Elite Opposition-Based Social Spider Optimization Algorithm for Global Function Optimization

open access: yesAlgorithms, 2017
The Social Spider Optimization algorithm (SSO) is a novel metaheuristic optimization algorithm. To enhance the convergence speed and computational accuracy of the algorithm, in this paper, an elite opposition-based Social Spider Optimization algorithm ...
Ruxin Zhao, Qifang Luo, Yongquan Zhou
doaj   +1 more source

Getting On With Field Research Using Participant Deconstruction [PDF]

open access: yes, 2020
This article adds to the repertoire of field research methods through developing the technique of “participant deconstruction.” This technique involves research participants challenging and reinterpreting organizational texts through the application of ...
Brazil, Victoria   +3 more
core   +1 more source

A Novel Improved Cuckoo Search Algorithm for Parameter Estimation of Photovoltaic (PV) Models

open access: yesEnergies, 2018
Parameter estimation of photovoltaic (PV) models from experimental current versus voltage (I-V) characteristic curves acts a pivotal part in the modeling a PV system and optimizing its performance.
Tong Kang   +4 more
doaj   +1 more source

PMT: Opposition-Based Learning Technique for Enhancing Meta-Heuristic Performance

open access: yesIEEE Access, 2019
Meta-heuristic algorithms have shown promising performance in solving sophisticated real-world optimization problems. Nevertheless, many meta-heuristic algorithms are still suffering from a low convergence rate because of the poor balance between ...
Hammoudeh S. Alamri, Kamal Z. Zamli
doaj   +1 more source

Enhanced Brain Storm Optimization Algorithm Based on Modified Nelder–Mead and Elite Learning Mechanism

open access: yesMathematics, 2022
Brain storm optimization algorithm (BSO) is a popular swarm intelligence algorithm. A significant part of BSO is to divide the population into different clusters with the clustering strategy, and the blind disturbance operator is used to generate ...
Wei Li   +4 more
doaj   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

The wider context of performance analysis and it application in the football coaching process [PDF]

open access: yes, 2014
The evolving role of PA and the associated proliferation of positions and internships within high performance sport has driven consideration for a change, or at least a broadening, of emphasis for use of PA analysis. In order to explore the evolution of
Carling, C.,, Collins, D., Wright, C.
core   +1 more source

In vitro models of cancer‐associated fibroblast heterogeneity uncover subtype‐specific effects of CRISPR perturbations

open access: yesMolecular Oncology, EarlyView.
Development of therapies targeting cancer‐associated fibroblasts (CAFs) necessitates preclinical model systems that faithfully represent CAF–tumor biology. We established an in vitro coculture system of patient‐derived pancreatic CAFs and tumor cell lines and demonstrated its recapitulation of primary CAF–tumor biology with single‐cell transcriptomics ...
Elysia Saputra   +10 more
wiley   +1 more source

An enhanced opposition-based African vulture optimizer for solving engineering design problems and global optimization

open access: yesScientific Reports
By combining opposition-based learning techniques with conventional African Vulture Optimization (AVO), this study offers a notable improvement in the handling of optimization problems.
Henry Blankson   +3 more
doaj   +1 more source

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