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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao https://doi.org/10.1...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
https://doi.org/10.1109/icist....
Article . 2019 . Peer-reviewed
License: IEEE Copyright
Data sources: Crossref
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A Novel Non-negative Matrix Factorization Algorithm Based on Estimate Sequence Methods

Authors: Bing Chen; Jiang Xiong; Xiangguang Dai; Yingyin Tao;

A Novel Non-negative Matrix Factorization Algorithm Based on Estimate Sequence Methods

Abstract

Conventional non-negative matrix factorization algorithms suffer from slow convergence in high-dimensional data dimensionality reduction. In this paper, a novel algorithm is proposed to accelerate the convergence speed. Firstly, non-negative matrix factorization is divided into two convex problems. Secondly, we construct estimate sequences to optimize each sub-problem. Thirdly, we alternately solve each sub-problem until convergence. Each sub-problem is optimized with Lipshcitz continuous, and its convergence rate is demonstrated at O(1/k2). The clustering experiment shows the effectiveness and fast convergence of the proposed algorithm.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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