Results 11 to 20 of about 16,408 (214)

Link prediction based on non-negative matrix factorization. [PDF]

open access: yesPLoS ONE, 2017
With the rapid expansion of internet, the complex networks has become high-dimensional, sparse and redundant. Besides, the problem of link prediction in such networks has also obatined increasingly attention from different types of domains like ...
Bolun Chen   +4 more
doaj   +1 more source

Gene Expression Analysis through Parallel Non-Negative Matrix Factorization

open access: yesComputation, 2021
Genetic expression analysis is a principal tool to explain the behavior of genes in an organism when exposed to different experimental conditions. In the state of art, many clustering algorithms have been proposed.
Angelica Alejandra Serrano-Rubio   +2 more
doaj   +1 more source

Scalable non-negative matrix tri-factorization

open access: yesBioData Mining, 2017
Background Matrix factorization is a well established pattern discovery tool that has seen numerous applications in biomedical data analytics, such as gene expression co-clustering, patient stratification, and gene-disease association mining.
Andrej Čopar   +2 more
doaj   +1 more source

Kernel Joint Non-Negative Matrix Factorization for Genomic Data

open access: yesIEEE Access, 2021
The multi-modal or multi-view integration of data has generated a wide range of applicability in pattern extraction, clustering, and data interpretation.
Diego Salazar   +4 more
doaj   +1 more source

Recommender Systems Clustering Using Bayesian Non Negative Matrix Factorization

open access: yesIEEE Access, 2018
Recommender Systems present a high-level of sparsity in their ratings matrices. The collaborative filtering sparse data makes it difficult to: 1) compare elements using memory-based solutions; 2) obtain precise models using model-based solutions; 3) get ...
Jesus Bobadilla   +3 more
doaj   +1 more source

A non-convex optimization framework for large-scale low-rank matrix factorization

open access: yesMachine Learning with Applications, 2022
Low-rank matrix factorization problems such as non negative matrix factorization (NMF) can be categorized as a clustering or dimension reduction technique. The latter denotes techniques designed to find representations of some high dimensional dataset in
Sajad Fathi Hafshejani   +3 more
doaj   +1 more source

Robust Exponential Graph Regularization Non-Negative Matrix Factorization Technology for Feature Extraction

open access: yesMathematics, 2023
Graph regularized non-negative matrix factorization (GNMF) is widely used in feature extraction. In the process of dimensionality reduction, GNMF can retain the internal manifold structure of data by adding a regularizer to non-negative matrix ...
Minghua Wan, Mingxiu Cai, Guowei Yang
doaj   +1 more source

Non-negative Matrix Factorization Based on Spectral Reconstruction Constraint for Hyperspectral and Panchromatic Image Fusion [PDF]

open access: yesJisuanji kexue, 2021
An effective algorithm for unmixing hyperspectral and panchromatic images of non-negative matrix factorization based on spectral reconstruction constraint is proposed.Firstly,this algorithm employs the regularization with minimum spectral reconstruction ...
GUAN Zheng, DENG Yang-lin, NIE Ren-can
doaj   +1 more source

Optimization and expansion of non-negative matrix factorization

open access: yesBMC Bioinformatics, 2020
Background Non-negative matrix factorization (NMF) is a technique widely used in various fields, including artificial intelligence (AI), signal processing and bioinformatics.
Xihui Lin, Paul C. Boutros
doaj   +1 more source

Non-negative Matrix Factorization Parallel Optimization Algorithm Based on Lp-norm [PDF]

open access: yesJisuanji kexue
Non-negative matrix factorization algorithm is an important tool for image clustering,data compression and feature extraction.Traditional non-negative matrix factorization algorithms mostly use Euclidean distance to measure reconstruction error,which has
HUANG Lulu, TANG Shuyu, ZHANG Wei, DAI Xiangguang
doaj   +1 more source

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