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Using Higher-Order Dynamic Bayesian Networks to Model Periodic Data from the Circadian Clock of Arabidopsis Thaliana

机译:使用高阶动态贝叶斯网络对拟南芥生物钟的周期性数据进行建模

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Modelling gene regulatory networks in organisms is an important task that has recently become possible due to large scale assays using technologies such as microarrays. In this paper, the circadian clock of Arabidopsis thaliana is modelled by fitting dynamic Bayesian networks to luminescence data gathered from experiments. This work differs from previous modelling attempts by using higher-order dynamic Bayesian networks to explicitly model the time lag between the various genes being expressed. In order to achieve this goal, new techniques in preprocessing the data and in evaluating a learned model are proposed. It is shown that it is possible, to some extent, to model these time delays using a higher-order dynamic Bayesian network.
机译:在生物体中建立基因调控网络的模型是一项重要任务,由于使用诸如微阵列的技术进行大规模测定,最近已成为可能。在本文中,拟南芥的生物钟通过将动态贝叶斯网络与实验收集的发光数据拟合来建模。这项工作与以前的建模尝试不同,它使用高阶动态贝叶斯网络来显式地建模要表达的各种基因之间的时间间隔。为了实现此目标,提出了预处理数据和评估学习模型的新技术。结果表明,在一定程度上可以使用高阶动态贝叶斯网络对这些时间延迟进行建模。

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