Results 41 to 50 of about 4,481,653 (293)

Ego-network characteristics moderates the interaction of structural hole and centrality on market performance: based on coopetition network

open access: yesManagement System Engineering
This paper establishes a symmetric matrix based on the coopetition relationships among global automobile enterprises, and uses Ucinet software to obtain the visualization chart of the coopetition network of global automobile enterprises.
Feiyang Guan
doaj   +1 more source

Active Learning Query Strategies for Linear Regression Based on Efficient Global Optimization

open access: yesJournal of Electrical and Computer Engineering, 2022
Active learning, a subfield of machine learning, can train a good model by selecting a minimum number of labeled samples. In many machine learning scenarios, needed information (such as the best value in unlabeled datasets) is acquired by prediction ...
Tianxin Zong, Na Li, Zhigang Zhang
doaj   +1 more source

Analysis of Ego Network Structure in Online Social Networks [PDF]

open access: yes2012 International Conference on Privacy, Security, Risk and Trust and 2012 International Confernece on Social Computing, 2012
Results about offline social networks demonstrated that the social relationships that an individual (ego) maintains with other people (alters) can be organised into different groups according to the ego network model. In this model the ego can be seen as the centre of a series of layers of increasing size. Social relationships between ego and alters in
Arnaboldi Valerio   +3 more
openaire   +3 more sources

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

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

A network analysis of ego depletion and self-management in patients with epilepsy: differences across seizure frequencies

open access: yesFrontiers in Psychiatry
BackgroundSelf-management is essential for epilepsy control, yet many patients struggle with it, partly due to ego depletion. The interaction between ego depletion and self-management remains poorly understood in this population.
Xiaoxiao Yin   +6 more
doaj   +1 more source

Appraising discrepancies and similarities in semantic networks using concept-centered subnetworks

open access: yesApplied Network Science, 2021
This article proposes an approach to compare semantic networks using concept-centered sub-networks. A concept-centered sub-network is defined as an induced network whose vertex set consists of the given concept (ego) and all its adjacent concepts (alters)
Darkhan Medeuov   +3 more
doaj   +1 more source

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

open access: yesFEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa   +2 more
wiley   +1 more source

The Continued Relevance of Ego Network Data

open access: yes, 2019
Ego network data have a long history in the social sciences, acting as a bridge between traditional statistical techniques and network analysis. Ego network data provide personal network information, as the data are based on a sample of individuals. This
Jeffrey A. Smith
core   +1 more source

Towards an Integrated Framework for Information Exchange Network of Construction Projects

open access: yesBuildings, 2023
The application of building information modeling (BIM) disrupts the interaction between individuals and industry organizations from time and spatial dimensions.
Yingnan Yang   +3 more
doaj   +1 more source

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