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Un approccio graph-theoretic alla progettazione di basi di dati XML guidato dal tipo e dalla frequenza delle interrogazioni.
Federico Torzo, 2015, diplomsko delo

Najdeno v: ključnih besedah
Ključne besede: databases design, XML schema, algorithms, graph theory
Objavljeno: 12.07.2017; Ogledov: 2856; Prenosov: 0
.pdf Polno besedilo (3,63 MB)

Condition number study of graph theory based preconditioners for isogeometric discretization of Poisson equation
K. Gahalaut, Satyendra Tomar, 2012, končno poročilo o rezultatih raziskav

Najdeno v: ključnih besedah
Ključne besede: isogeometric discretization, graph theory, preconditioning, condition number
Objavljeno: 13.11.2018; Ogledov: 1944; Prenosov: 0
.pdf Polno besedilo (4,78 MB)

Bioacoustic signal analysis through complex network features

Opis: The paper proposes a graph-theoretical approach to auscultation, bringing out the potential of graph features in classifying the bioacoustics signals. The complex network analysis of the bioacoustics signals - vesicular (VE) and bronchial (BR) breath sound - of 48 healthy persons are carried out for understanding the airflow dynamics during respiration. The VE and BR are classified by the machine learning techniques extracting the graph features – the number of edges (E), graph density (D), transitivity (T), degree centrality (Dcg) and eigenvector centrality (Ecg). The higher value of E, D, and T in BR indicates the temporally correlated airflow through the wider tracheobronchial tract resulting in sustained high-intense low-frequencies. The frequency spread and highfrequencies in VE, arising due to the less correlated airflow through the narrow segmental bronchi and lobar, appears as a lower value for E, D, and T. The lower values of Dcg and Ecg justify the inferences from the spectral and other graph parameters. The study proposes a methodology in remote auscultation that can be employed in the current scenario of COVID-19.
Najdeno v: ključnih besedah
Povzetek najdenega: ...The paper proposes a graph-theoretical approach to auscultation, bringing out the potential... ...Bioacoustic signal, Graph theory, Complex network,Lung auscultation...
Ključne besede: Bioacoustic signal, Graph theory, Complex network, Lung auscultation
Objavljeno: 30.06.2022; Ogledov: 105; Prenosov: 0
.pdf Polno besedilo (2,63 MB)

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