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    • 11. 发明授权
    • Efficient update methods for large volume data updates in data warehouses
    • 数据仓库中大量数据更新的高效更新方法
    • US08429116B2
    • 2013-04-23
    • US12131078
    • 2008-05-31
    • Ying ChenBin He
    • Ying ChenBin He
    • G06F17/30
    • G06F17/30592
    • A system and method for ensuring large and frequent updates to a data warehouse. The process leverages a set of temporary staging tables to track the updates. A set of intermediate steps are performed to accomplish bulk deletions of the outdated changed records, and perform modifications to the map tables for models such as snowflake. Finally, bulk load operations load the updates and insert them into the final dimension tables. The process ensures performance comparable to insertion-only schemes with at most only slight performance degradation. Furthermore, a modified process is applied on the newfact data warehouse dimension model. The process can be readily adapted to handle star schema and other hierarchical data warehouse models.
    • 一种用于确保对数据仓库进行大量和频繁更新的系统和方法。 该过程利用一组临时暂存表来跟踪更新。 执行一组中间步骤以完成对过时的已更改记录的批量删除,并对诸如雪花之类的模型执行对映射表的修改。 最后,批量加载操作加载更新并将它们插入到最终维度表中。 该过程确保性能与只插入方案相当,最多只有轻微的性能下降。 此外,修改后的流程应用于新元数据仓库维度模型。 该过程可以容易地适应于处理星型模式和其他分层数据仓库模型。
    • 12. 发明授权
    • Supporting set-level slice and dice in data warehouses
    • 支持数据仓库中的设置级切片和骰子
    • US08326797B2
    • 2012-12-04
    • US12616612
    • 2009-11-11
    • Bin HeYing Chen
    • Bin HeYing Chen
    • G06F17/30
    • G06F17/30592G06F17/30439
    • A method and system for coping with slice and dice operations in data warehouses is disclosed. An external approach may be utilized, creating queries using structured query language on a computer. An algorithm may be used to rewrite the queries. The resulting predicates may be joined to dimension tables corresponding to fact tables. An internal approach may be utilized, using aggregation functions with early aggregation for creating the queries. The results of the slice and dice operations may be outputted to a user on a computer monitor.
    • 公开了一种用于处理数据仓库中的切片和骰子操作的方法和系统。 可以使用外部方法,在计算机上使用结构化查询语言创建查询。 可以使用算法来重写查询。 所得到的谓词可以连接到对应于事实表的维度表。 可以使用内部方法,使用具有早期聚合的聚合功能来创建查询。 切片和骰子操作的结果可以在计算机监视器上输出给用户。
    • 16. 发明申请
    • Efficient Update Methods For Large Volume Data Updates In Data Warehouses
    • 数据仓库中大容量数据更新的高效更新方法
    • US20090187602A1
    • 2009-07-23
    • US12131078
    • 2008-05-31
    • Ying ChenBin He
    • Ying ChenBin He
    • G06F17/30
    • G06F17/30592
    • A system and method for ensuring large and frequent updates to a data warehouse. The process leverages a set of temporary staging tables to track the updates. A set of intermediate steps are performed to accomplish bulk deletions of the outdated changed records, and perform modifications to the map tables for models such as snowflake. Finally, bulk load operations load the updates and insert them into the final dimension tables. The process ensures performance comparable to insertion-only schemes with at most only slight performance degradation. Furthermore, a modified process is applied on the newfact data warehouse dimension model. The process can be readily adapted to handle star schema and other hierarchical data warehouse models.
    • 一种用于确保对数据仓库进行大量和频繁更新的系统和方法。 该过程利用一组临时暂存表来跟踪更新。 执行一组中间步骤以完成对过时的已更改记录的批量删除,并对诸如雪花之类的模型执行对映射表的修改。 最后,批量加载操作加载更新并将它们插入到最终维度表中。 该过程确保性能与只插入方案相当,最多只有轻微的性能下降。 此外,修改后的流程应用于新元数据仓库维度模型。 该过程可以容易地适应于处理星型模式和其他分层数据仓库模型。
    • 19. 发明授权
    • Method and apparatus of three dimension electrocardiographic imaging
    • 三维心电图成像方法与装置
    • US06856830B2
    • 2005-02-15
    • US09909338
    • 2001-07-19
    • Bin He
    • Bin He
    • A61B5/04A61B5/0402A61B5/0408
    • A61B5/0402A61B5/04007A61B5/04085G06F19/00
    • An instrument and method for imaging and localizing of electrical activities in a biological system, comprising a plurality of sensors for detecting signals over a part of a surface of the biological system, a data acquisition unit for collecting the signals, a positioning device for determining positions of the sensors, a procedure for determining geometry information of the biological system, an electrical source model incorporating physical and physiological properties of the biological system, an estimator for determining the parameters of the electrical source model, and a unit for displaying the reconstructed excitation sequence and/or electrical source distribution in the three dimension space of the biological system and over time.
    • 一种用于在生物系统中成像和定位电活动的仪器和方法,包括用于检测生物系统表面的一部分上的信号的多个传感器,用于收集信号的数据获取单元,用于确定位置的定位装置 的传感器,用于确定生物系统的几何信息的程序,包含生物系统的物理和生理属性的电源模型,用于确定电源模型的参数的估计器,以及用于显示重建的激励序列的单元 和/或电源分布在生物系统的三维空间中并随时间推移。