Results 221 to 230 of about 366,766 (262)

A Bond-Level Sequence Framework for Molecular Representation Learning with Structural Constraints. [PDF]

Molecules
Fan H, Qi H, Huang X, Zhu D, Wang N, Wang T, Hao H.   +6 more
europepmc   +1 more source

Development and comparative evaluation of knowledge graph-enhanced large language models for domain-specific question answering in nursing. [PDF]

BMC Nurs
Shi J, Chen H, Shi C, Su C, Yue S, Li W, Liu X, Zhou Y, Zhong Y, Chen B, Sun C, Sang K, Li Z.   +12 more
europepmc   +1 more source

Altered Effective Connectivity Within the Frontoparietal Network in Alzheimer's Disease and Its Modulation by Acupuncture: A Resting-State <i>f</i>MRI Study. [PDF]

Neuropsychiatr Dis Treat
Wei YT, Li L, Xie WT, Wang Y, Zhao YR, Zhang RZ, Ma L, Yan XK.   +7 more
europepmc   +1 more source

Explainable neuro-symbolic artificial intelligence for automated interpretation of corneal topography and early keratoconus detection. [PDF]

Front Artif Intell
Wang MH, Qin S.
europepmc   +1 more source

Sleeve gastrectomy improves cognition by enhancing central ERK/CREB/BDNF pathway through increased GIP secretion. [PDF]

iScience
Wei Z, Yang J, Qiao Y, Wang S, Cai Y, Gao L.   +5 more
europepmc   +1 more source

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The ultracenter and central fringe of a graph

Networks, 2001
AbstractThe central distance of a central vertex v in a connected graph G with rad G < diam G is the largest nonnegative integer n such that whenever x is a vertex with d(v, x) ≤ n then x is also a central vertex. The subgraph induced by those central vertices of maximum central distance is the ultracenter of G.
Gary Chartrand, Karen S. Novotny, Steven J. Winters   +2 more
exaly   +3 more sources

Closeness Centrality on Uncertain Graphs

ACM Transactions on the Web, 2023
Centrality is a family of metrics for characterizing the importance of a vertex in a graph. Although a large number of centrality metrics have been proposed, a majority of them ignores uncertainty in graph data. In this article, we formulate closeness centrality on uncertain graphs and define the batch closeness centrality evaluation ...
Zhenfang Liu, Jianxiong Ye 0003, Zhaonian Zou   +2 more
openaire   +1 more source

On the centrality in a graph

Scandinavian Journal of Psychology, 1974
Abstract.— The paper considers the concept of centrality in an undirected graph. A system of axioms and an index for centrality satisfying the axioms are presented. The index is based on the degrees of the vertices in a given undirected graph, and it will enlarge the class of comparable graphs with respect to a centrality measure.
openaire   +2 more sources