Results 1 to 10 of about 14,119 (68)

Biased Deep Distance Factorization Algorithm for Top-N Recommendation [PDF]

open access: yesJisuanji kexue, 2021
Since traditional matrix factorization algorithms are mostly based on shallow linear models,it is difficult to learn latent factors of users and items at a deep level.When the dataset is sparse,it is inclined to overfitting.To deal with the problem,this ...
QIAN Meng-wei , GUO Yi
doaj   +1 more source

Working in the 21st Century. The Coronavirus Crisis: A Driver of Digitalisation, Teleworking, and Innovation, with Unintended Social Consequences

open access: yesInformation, 2021
(1) Background: This article seeks to shed a light on the innovation, digitalisation, and teleworking processes that have occurred because of the coronavirus crisis.
Antonio López Peláez   +3 more
doaj   +1 more source

On the new extension of distance-balanced graphs [PDF]

open access: yesTransactions on Combinatorics, 2016
‎In this paper‎, ‎we initially introduce the concept of n n-distance-balanced property which is considered as the generalized concept of distance-balanced property‎.
Morteza Faghani   +2 more
doaj   +3 more sources

On graphs with distance Laplacian eigenvalues of multiplicity n−4

open access: yesAKCE International Journal of Graphs and Combinatorics, 2023
Let G be a connected simple graph with n vertices. The distance Laplacian matrix [Formula: see text] is defined as [Formula: see text], where [Formula: see text] is the diagonal matrix of vertex transmissions and [Formula: see text] is the distance ...
Saleem Khan, S. Pirzada, A. Somasundaram
doaj   +1 more source

ON DETERMINING THE DISTANCE SPECTRUM OF A CLASS OF DISTANCE INTEGRAL GRAPHS [PDF]

open access: yesJournal of Algebraic Systems, 2023
The distance eigenvalues of a connected graph $G$ are the eigenvalues of its distance matrix‎‎$D(G)$‎. ‎A graph is called distance integral if all of its‎‎distance eigenvalues are integers.‎‎Let $n$ and $k$ be integers with $n>2k‎, ‎k\geq1$‎.
Seyed M. Mirafzal, R. Kogani
doaj   +1 more source

Acrylamide–Fat Correlation in Californian-Style Black Olives Using Near-Infrared Spectroscopy

open access: yesChemosensors, 2023
Californian-style is one of the most important black table olive elaborations. During its processing, table olives produce acrylamide, a potential carcinogen compound generated during sterilization.
Antonio Fernández   +4 more
doaj   +1 more source

Monitoring of Chlorophylls during the Maturation Stage of Plums by Multivariate Calibration of RGB Data from Digital Images

open access: yesChemosensors, 2022
The methodology developed in this study was based on digital imaging processing of plums harvested in eight different weeks during their ripening process. Mean RGB data, histograms, and matrices of RGB data were used to characterise the ripening stage of
Jaime Domínguez-Manzano   +3 more
doaj   +1 more source

On the distance spectra of m-generation n-prism graph

open access: yesAKCE International Journal of Graphs and Combinatorics, 2022
The distance matrix of a simple connected graph G is [Formula: see text] where dij is the length of a shortest path between the ith and jth vertices of G. Eigenvalues of D(G) are called the distance eigenvalues of G. The m-generation n-prism graph or (m,
Fouzul Atik   +2 more
doaj   +1 more source

Pitch Processing in Children with Williams Syndrome: Relationships between Music and Prosody Skills

open access: yesBrain Sciences, 2014
Williams syndrome (WS), a genetic neurodevelopmental disorder, has been taken as evidence that music and language constitute separate modules. This research focused on the linguistic component of prosody and aimed to assess whether relationships exist ...
Pastora Martínez-Castilla   +1 more
doaj   +1 more source

Connectivism Theory in Safety and Health Education in Classical Universities

open access: yesОсвітологічний дискурс, 2023
Planet Earth, humanity in general and the education system in particular, in the first quarter of the XXI century have faced a large number of problems and situations that require regulation. The use of modern technologies based on connectivism theory in
Світлана Гвоздій   +2 more
doaj   +1 more source

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