Results 21 to 30 of about 54,863 (259)

Personalized product recommendation system for e-commerce platforms [PDF]

open access: yesITM Web of Conferences
Due to rapid growth in e-commerce, the interest for customized product recommendation systems has grown a lot with high demands for effective models. The attempt is made to explore the development and evaluation of a personalized product recommendation ...
Sameena Shaik   +4 more
doaj   +1 more source

Reducing wind noise in seismic data using Non-negative Matrix Factorization: an application to Villarrica volcano, Chile

open access: yesGeofísica Internacional, 2014
La separación de distintas fuentes existentes en una sola señal sísmica es un problema interesante y al mismo tiempo difícil. En este trabajo presentamos un método semi-ciego para la separación de un solo canal sísmico para mejorar la parte de señal de ...
Giuseppe Cabras   +3 more
doaj   +1 more source

Clustering by Orthogonal NMF Model and Non-Convex Penalty Optimization [PDF]

open access: yesIEEE Transactions on Signal Processing, 2019
The non-negative matrix factorization (NMF) model with an additional orthogonality constraint on one of the factor matrices, called the orthogonal NMF (ONMF), has been found a promising clustering model and can outperform the classical K-means.
Shuai Wang   +3 more
semanticscholar   +1 more source

Non-negative Matrix Factorization for Dimensionality Reduction [PDF]

open access: yesITM Web of Conferences, 2022
—What matrix factorization methods do is reduce the dimensionality of the data without losing any important information. In this work, we present the Non-negative Matrix Factorization (NMF) method, focusing on its advantages concerning other methods of ...
Olaya Jbari, Otman Chakkor
doaj   +1 more source

Large scale musical instrument identification [PDF]

open access: yes, 2007
In this paper, automatic musical instrument identification using a variety of classifiers is addressed. Experiments are performed on a large set of recordings that stem from 20 instrument classes.
Benetos, E., Kotropoulos, C., Kotti, M.
core   +2 more sources

A Review on Initialization Methods for Nonnegative Matrix Factorization: Towards Omics Data Experiments

open access: yesMathematics, 2021
Nonnegative Matrix Factorization (NMF) has acquired a relevant role in the panorama of knowledge extraction, thanks to the peculiarity that non-negativity applies to both bases and weights, which allows meaningful interpretations and is consistent with ...
Flavia Esposito
doaj   +1 more source

Applying supervised classifiers based on non-negative matrix factorization to musical instrument classification [PDF]

open access: yes, 2006
In this paper, a new approach for automatic audio classification using non-negative matrix factorization (NMF) is presented. Training is performed onto each audio class individually, whilst during the test phase each test recording is projected onto the ...
Benetos, E., Kotropoulos, C., Kotti, M.
core   +1 more source

A review of blind source separation methods: two converging routes to ILRMA originating from ICA and NMF

open access: yesAPSIPA Transactions on Signal and Information Processing, 2019
This paper describes several important methods for the blind source separation of audio signals in an integrated manner. Two historically developed routes are featured.
H. Sawada   +4 more
semanticscholar   +1 more source

A robust semi-supervised NMF model for single cell RNA-seq data

open access: yesPeerJ, 2020
Background Single-cell RNA-sequencing (scRNA-seq) technology is a powerful tool to study organism from a single cell perspective and explore the heterogeneity between cells. Clustering is a fundamental step in scRNA-seq data analysis and it is the key to
Peng Wu   +5 more
semanticscholar   +1 more source

Features of the Formation of the Epidermal Barrier and the Use of Emollients in Premature and Young Children

open access: yesПедиатрическая фармакология, 2019
The article presents modern data on the features of the structure of the skin and the formation of the epidermal barrier in premature and young children.
Nikolay N. Murashkin   +5 more
doaj   +1 more source

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