Genome Informatics
Online ISSN : 2185-842X
Print ISSN : 0919-9454
ISSN-L : 0919-9454
SIGN: LARGE-SCALE GENE NETWORK ESTIMATION ENVIRONMENT FOR HIGH PERFORMANCE COMPUTING
YOSHINORI TAMADATEPPEI SHIMAMURARUI YAMAGUCHISEIYA IMOTOMASAO NAGASAKISATORU MIYANO
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2011 年 25 巻 1 号 p. 40-52

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Our research group is currently developing software for estimating large-scale gene networks from gene expression data. The software, called SiGN, is specifically designed for the Japanese flagship supercomputer “K computer” which is planned to achieve 10 petaflops in 2012, and other high performance computing environments including Human Genome Center (HGC) supercomputer system. SiGN is a collection of gene network estimation software with three different sub-programs: SiGN-BN, SiGN-SSM and SiGN-L1. In these three programs, five different models are available: static and dynamic nonparametric Bayesian networks, state space models, graphical Gaussian models, and vector autoregressive models. All these models require a huge amount of computational resources for estimating large-scale gene networks and therefore are designed to be able to exploit the speed of 10 petaflops. The software will be available freely for “K computer” and HGC supercomputer system users. The estimated networks can be viewed and analyzed by Cell Illustrator Online and SBiP (Systems Biology integrative Pipeline). The software project web site is available at http://sign.hgc.jp/ .

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© 2011 Japanese Society for Bioinformatics
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