Results 1 to 10 of about 13,849 (192)

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

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

Block Sparse Symmetric Nonnegative Matrix Factorization Based on Constrained Graph Regularization [PDF]

open access: yesJisuanji kexue, 2023
The existing algorithms based on symmetric nonnegative matrix factorization(SymNMF) are mostly rely on initial data to construct affinity matrices,and neglect the limited pairwise constraints,so these methods are unable to effectively distinguish similar
LIU Wei, DENG Xiuqin, LIU Dongdong, LIU Yulan
doaj   +1 more source

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   +2 more sources

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