نتایج جستجو برای: network hubs

تعداد نتایج: 674485  

2016
Carissa Louise Philippi Carissa L. Philippi David Rudrauf

Investigation of the neural correlates of the self has implicated a network of brain regions including the medial prefrontal cortex (MPFC), posterior cingulate (PCC), precuneus (pC), and inferior parietal lobule (IPL). At the same time, recent neuroimaging work has identified the Default Mode Network (DMN), a network of brain regions that are highly active at ‘rest’ (without an active cognitive...

2017
Chia-shu Lin Ching-yi Wu Shih-yun Wu Hsiao-Han Lin Dong-hui Cheng Wen-liang Lo

The age-related decline in motor function is associated with changes in intrinsic brain signatures. Here, we investigated the functional connectivity (FC) associated with masticatory performance, a clinical index evaluating general masticatory function. Twenty-six older adults (OA) and 26 younger (YA) healthy adults were recruited and assessed using the masticatory performance index (MPI) and r...

2017
Marios Antonakakis Stavros I. Dimitriadis Michalis Zervakis Andrew C. Papanicolaou George Zouridakis

Functional brain connectivity networks exhibit "small-world" characteristics and some of these networks follow a "rich-club" organization, whereby a few nodes of high connectivity (hubs) tend to connect more densely among themselves than to nodes of lower connectivity. The Current study followed an "attack strategy" to compare the rich-club and small-world network organization models using Magn...

2011
Jie Xiong Dongxia Yuan Jeffrey S. Fillingham Jyoti Garg Xingyi Lu Yue Chang Yifan Liu Chengjie Fu Ronald E. Pearlman Wei Miao

BACKGROUND Genome-wide expression data of gene microarrays can be used to infer gene networks. At a cellular level, a gene network provides a picture of the modules in which genes are densely connected, and of the hub genes, which are highly connected with other genes. A gene network is useful to identify the genes involved in the same pathway, in a protein complex or that are co-regulated. In ...

2015
Ching-Jung TING Kun-Chih WU

In this paper we consider a capacitated single allocation p-hub median problem (CSApHMP) which is to determine the location of p hubs, the allocation of non-hub nodes to hubs in the logistics network. This problem is formulated as an integer programming model with the objective of minimizing the sum of total transportation cost and fixed cost of the selected p hubs. Since the CSApHMP is NP-hard...

2016
Ching-Jung Ting

In this paper we consider a capacitated single allocation p-hub median problem with multiple capacity levels (CSApHMPMC) in which the decisions are to determine the location of p hubs and their capacity levels, the single allocation of non-hub nodes to hubs in the logistics network. This problem is formulated as an integer programming model with the objective of minimizing the sum of total tran...

Journal: :Proceedings. Biological sciences 2011
Daniel Florance Jonathan K Webb Tim Dempster Michael R Kearney Alex Worthing Mike Letnic

Many biological invasions do not occur as a gradual expansion along a continuous front, but result from the expansion of satellite populations that become established at 'invasion hubs'. Although theoretical studies indicate that targeting control efforts at invasion hubs can effectively contain the spread of invasions, few studies have demonstrated this in practice. In arid landscapes worldwid...

2016
Prashant Sharma Jayant Shekhar

A vital and vital issue for multicast versatile specially appointed systems (MANETs) is directing convention plan i.e. a noteworthy specialized test because of the dynamism of the system. Versatile Ad-Hoc Network (MANET) is an element, multi-bounce and self-ruling system made out of light remote portable hubs. A considerable measure of control messages are required to manufacture ideal multicas...

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