A New Preconditioner for the GeneRank Problem

A New Preconditioner for the GeneRank Problem

Identifying key genes involved in a particular disease is a very important problem which is considered in biomedical research. GeneRank model is based on the PageRank algorithm that preserves many of its mathematical properties. The model brings together gene expression information with a network st...

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Veröffentlicht in:arXiv.org 2014-03
Hauptverfasser: Davod Khojasteh Salkuyeh, Edalatpour, Vahid, Hezari, Davod
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Algorithms
Annotations
Gene expression
Genes
Mathematical models
Search engines
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description Identifying key genes involved in a particular disease is a very important problem which is considered in biomedical research. GeneRank model is based on the PageRank algorithm that preserves many of its mathematical properties. The model brings together gene expression information with a network structure and ranks genes based on the results of microarray experiments combined with gene expression information, for example from gene annotations (GO). In the present study, we present a new preconditioned conjugate gradient algorithm to solve GeneRank problem and study its properties. Some numerical experiments are given to show the effectiveness of the suggested preconditioner.
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subjects Algorithms
Annotations
Gene expression
Genes
Mathematical models
Search engines
title A New Preconditioner for the GeneRank Problem
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