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    • 9. 发明申请
    • SYSTEM AND METHOD FOR STORAGE AND ANALYSIS OF GENE EXPRESSION DATA
    • 用于存储和分析基因表达数据的系统和方法
    • WO03042780A2
    • 2003-05-22
    • PCT/US0235454
    • 2002-11-04
    • GENE LOGIC INCDIGGANS JAMES CDOLGINOW DOUGELASHOFF MICHAELHUANG DA WEIMENEZES SUPRIYAMERTZ LARRYNADIMPALLI RAMGOPAL
    • DIGGANS JAMES CDOLGINOW DOUGELASHOFF MICHAELHUANG DA WEIMENEZES SUPRIYAMERTZ LARRYNADIMPALLI RAMGOPAL
    • G06F17/30G06F19/20G06F19/28G06F
    • G06F19/28G06F19/20
    • In a computer system for analysis of gene expression data, a gene expression database is organized in a hierarchical b-tree according to the descriptive and clinical sample attributes stored in the database. A user submits a query for searching the database and defines attributes on which to filter for each level of the b-tree. A simple search can be employed to arbitrarily group together leaf nodes depending on their attributes. The grouped leaf nodes are used as "control" and "experimental" sample sets. A t-test can be performed to test for statistically significant regulation between the control and experimental sample sets. In one embodiment, the results of the b-tree analysis are organized as a table of information which may be part of a relational database. The data in the database are encoded according to a three-state scheme based on regulation behavior. A similarity search algorithm can be performed on the encoded data to identify genes or gene fragments that show regulation profiles similar to the query gene or gene fragment, ranking the genes according to the level of similarity.
    • 在用于分析基因表达数据的计算机系统中,根据存储在数据库中的描述性和临床样本属性,将基因表达数据库组织在分层b树中。 用户提交查询以搜索数据库,并定义要为每个级别的b树过滤的属性。 可以使用简单的搜索来根据其属性任意地将叶节点组合在一起。 分组叶节点用作“对照”和“实验”样本集。 可以进行t检验以测试对照和实验样品组之间的统计学显着性调节。 在一个实施例中,b-tree分析的结果被组织为可以是关系数据库的一部分的信息表。 数据库中的数据根据​​调节行为的三态方案进行编码。 可以对编码数据执行相似性搜索算法,以识别显示与查询基因或基因片段类似的调节特征的基因或基因片段,根据相似性等级对基因进行排序。