Results 31 to 40 of about 932,353 (284)

Integration of taxa abundance and occurrence frequency to identify key gut bacteria correlated to clinics in Crohn’s disease

open access: yesBMC Microbiology, 2023
Bacteria abundance alternation in the feces or mucosa of Crohn’s disease (CD) patients has long been applied to identify potential biomarkers for this disease, while the taxa occurrence frequency and their correlations with clinical traits were ...
Xunchao Cai   +6 more
doaj   +1 more source

Topic Network Analysis Based on Co-Occurrence Time Series Clustering

open access: yesMathematics, 2022
Traditional topic research divides similar topics into the same cluster according to clustering or classification from the perspective of users, which ignores the deep relationship within and between topics. In this paper, topic analysis is achieved from
Weibin Lin   +4 more
doaj   +1 more source

Publications of psychology in the top 10 Iranian universities in Scopus from 1969 to 2022: A bibliometric analysis [PDF]

open access: yesمجله علم‌سنجی کاسپین, 2023
Background and aim: The present research aims to study the status of publications and scientific collaboration and word co-occurrence networks in the field of psychology in Iran, focusing on the top 10 universities using the Scopus database.
Davoud Haseli   +2 more
doaj  

Cropping with Vicia villosa and native grass improves soil’s bacterial structure and ecological network in a jujube orchard [PDF]

open access: yesPeerJ
In a jujube orchard, cropping withgrass may influence bacterial diversity and ecological networks due to changes of physicochemical properties in soil, which has a serious effect on the stability of soil ecosystems.
Shoule Wang   +6 more
doaj   +2 more sources

Habitats Within the Plant Root Differ in Bacterial Network Topology and Taxonomic Assortativity

open access: yesMolecular Plant-Microbe Interactions, 2023
The root microbiome is composed of distinct epiphytic (rhizosphere) and endophytic (endosphere) habitats. Differences in abiotic and biotic factors drive differences in microbial community diversity and composition between these habitats, though how they
Connor R. Fitzpatrick   +5 more
doaj   +1 more source

Walking across Wikipedia: a scale-free network model of semantic memory retrieval. [PDF]

open access: yes, 2014
Semantic knowledge has been investigated using both online and offline methods. One common online method is category recall, in which members of a semantic category like "animals" are retrieved in a given period of time.
Kello, Christopher T, Thompson, Graham W
core   +2 more sources

Functional shortcuts in language co-occurrence networks

open access: yesPLOS ONE, 2018
Human language contains regular syntactic structures and grammatical patterns that should be detectable in their co-occurence networks. However, most standard complex network measures can hardly differentiate between co-occurence networks built from an empirical corpus and a body of scrambled text.
Woon Peng Goh   +2 more
openaire   +5 more sources

Codon based co-occurrence network motifs in human mitochondria [PDF]

open access: yesCanadian Journal of Biotechnology, 2016
AbstractHuman mitochondrial DNA (mtDNA) generates a highly divergent pool of alleles even within species that have dispersed and expanded in size. On top of that codon position bias plays a relative role in prompting population wide sequence based variations.
Shinde, Pramod   +2 more
openaire   +2 more sources

Constructing gene similarity networks using co-occurrence probabilities

open access: yesBMC Genomics, 2023
AbstractGene similarity networks play important role in unraveling the intricate associations within diverse cancer types. Conventionally, gauging the similarity between genes has been approached through experimental methodologies involving chemical and molecular analyses, or through the lens of mathematical techniques.
openaire   +3 more sources

Network Analysis of Symptoms Co-Occurrence in Chronic Fatigue Syndrome [PDF]

open access: yesInternational Journal of Environmental Research and Public Health, 2021
Chronic fatigue syndrome (CFS) is a heterogenous disorder of multiple disabling symptoms with complex manifestations. Network analysis is a statistical and interrogative methodology to investigate the prevalence of symptoms (nodes) and their inter-dependent (inter-nodal) relationships.
Sławomir Kujawski   +6 more
openaire   +3 more sources

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