Results 1 to 10 of about 13,867 (163)

Robust self supervised symmetric nonnegative matrix factorization to the graph clustering [PDF]

open access: yesScientific Reports
Graph clustering is a fundamental task in network analysis, aimed at uncovering meaningful groups of nodes based on structural and attribute-based similarities.
Yi Ru, Michael Gruninger, YangLiu Dou
doaj   +4 more sources

MHSNMF: multi-view hessian regularization based symmetric nonnegative matrix factorization for microbiome data analysis [PDF]

open access: yesBMC Bioinformatics, 2020
Background With the rapid development of high-throughput technique, multiple heterogeneous omics data have been accumulated vastly (e.g., genomics, proteomics and metabolomics data).
Yuanyuan Ma, Junmin Zhao, Yingjun Ma
doaj   +2 more sources

Adaptive Clustering via Symmetric Nonnegative Matrix Factorization of the Similarity Matrix [PDF]

open access: yesAlgorithms, 2019
The problem of clustering, that is, the partitioning of data into groups of similar objects, is a key step for many data-mining problems. The algorithm we propose for clustering is based on the symmetric nonnegative matrix factorization (SymNMF) of a ...
Paola Favati   +3 more
doaj   +5 more sources

Self-Supervised Symmetric Nonnegative Matrix Factorization [PDF]

open access: yesIEEE Transactions on Circuits and Systems for Video Technology, 2022
Symmetric nonnegative matrix factorization (SNMF) has demonstrated to be a powerful method for data clustering. However, SNMF is mathematically formulated as a non-convex optimization problem, making it sensitive to the initialization of variables. Inspired by ensemble clustering that aims to seek a better clustering result from a set of clustering ...
Yuheng Jia   +4 more
openaire   +4 more sources

An improved multi-view spectral clustering based on tissue-like P systems [PDF]

open access: yesScientific Reports, 2022
Multi-view spectral clustering is one of the multi-view clustering methods widely studied by numerous scholars. The first step of multi-view spectral clustering is to construct the similarity matrix of each view.
Huijian Chen, Xiyu Liu
doaj   +2 more sources

Hierarchical community detection via rank-2 symmetric nonnegative matrix factorization. [PDF]

open access: yesComput Soc Netw, 2017
Community discovery is an important task for revealing structures in large networks. The massive size of contemporary social networks poses a tremendous challenge to the scalability of traditional graph clustering algorithms and the evaluation of discovered communities.We propose a divide-and-conquer strategy to discover hierarchical community ...
Du R, Kuang D, Drake B, Park H.
europepmc   +4 more sources

Nonnegative matrix factorization with Wasserstein metric-based regularization for enhanced text embedding. [PDF]

open access: yesPLoS ONE
Text embedding plays a crucial role in natural language processing (NLP). Among various approaches, nonnegative matrix factorization (NMF) is an effective method for this purpose.
Mingming Li   +3 more
doaj   +2 more sources

Similarity Learning-Induced Symmetric Nonnegative Matrix Factorization for Image Clustering [PDF]

open access: yesIEEE Access, 2019
As a typical variation of nonnegative matrix factorization (NMF), symmetric NMF (SNMF) is capable of exploiting information of the cluster embedded in the matrix of similarity.
Wei Yan   +3 more
doaj   +2 more sources

A Symmetric Rank-one Quasi Newton Method for Non-negative Matrix Factorization [PDF]

open access: yesISRN Applied Mathematics, 2013
As we all known, the nonnegative matrix factorization (NMF) is a dimension reduction method that has been widely used in image processing, text compressing and signal processing etc.
Lai, Shu-Zhen   +2 more
core   +4 more sources

Inexact Block Coordinate Descent Methods for Symmetric Nonnegative Matrix Factorization [PDF]

open access: yesIEEE Transactions on Signal Processing, 2017
Symmetric nonnegative matrix factorization (SNMF) is equivalent to computing a symmetric nonnegative low rank approximation of a data similarity matrix. It inherits the good data interpretability of the well-known nonnegative matrix factorization technique and have better ability of clustering nonlinearly separable data.
Shi, Qingjiang   +4 more
openaire   +4 more sources

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