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    • 1. 发明授权
    • Method and process of query optimization to a given environment via specific abstraction layer domain knowledge
    • 通过特定抽象层领域知识,给定环境查询优化的方法和过程
    • US08548985B2
    • 2013-10-01
    • US10977765
    • 2004-10-29
    • Richard D. DettingerTravis M. DruckerBrian R. MurasJeffrey W. Tenner
    • Richard D. DettingerTravis M. DruckerBrian R. MurasJeffrey W. Tenner
    • G06F17/30
    • G06F17/3056
    • Methods and apparatus for optimizing an abstract query are disclosed. Embodiments of the present invention allow an abstract database to optimize an abstract query composed from a set of logical fields. Each logical field includes a field name and an access method used to map the logical field to an underlying physical representation of the data. After a user composes an abstract query and submits it for execution, a runtime component and optimization component may be configured to resolve the abstract query to a physical query of the underlying physical data source using an access method associated with each logical field. In addition, as the runtime component builds a query consistent with the schema of the underlying database, an optimizing component may modify the query using any suitable optimization techniques. Different optimization techniques include optimizations based on logical field metadata, optimizations based on the underlying physical data repositories referenced by an access method and optimizations based on the relationships between logical fields or underlying data structures.
    • 公开了优化抽象查询的方法和装置。 本发明的实施例允许抽象数据库优化由一组逻辑字段组成的抽象查询。 每个逻辑字段包括字段名称和用于将逻辑字段映射到数据的底层物理表示的访问方法。 在用户组成抽象查询并将其提交以执行之后,可以将运行时组件和优化组件配置为使用与每个逻辑字段相关联的访问方法将抽象查询解析为底层物理数据源的物理查询。 此外,由于运行时组件构建与基础数据库的模式一致的查询,因此优化组件可以使用任何合适的优化技术来修改查询。 不同的优化技术包括基于逻辑字段元数据的优化,基于访问方法引用的底层物理数据存储库的优化和基于逻辑字段或底层数据结构之间的关系的优化。
    • 2. 发明授权
    • Abstract classification field specification
    • 抽象分类字段规范
    • US08224810B2
    • 2012-07-17
    • US12036097
    • 2008-02-22
    • Richard D. DettingerThomas J. EggebraatenJeffrey W. Tenner
    • Richard D. DettingerThomas J. EggebraatenJeffrey W. Tenner
    • G06F7/00G06F17/30
    • G06F17/30398G06F17/30525G06F17/30926
    • Techniques are disclosed for storing and rendering a graphical user interface (GUI) that includes a display area for specifying result fields and operators to define an abstract query. Each result field corresponds to a logical field specification of a data abstraction model abstractly describing data in a database. The GUI further includes a display area for specifying classification fields for the abstract query, each classification field including a result field and a classification definition, and the display area including a result field window displaying available result fields and graphical elements configured to allow specification of classification definitions for one or more selected result fields. The classification definition is suitable for dividing data into a plurality of categories. The GUI further includes a selection element for specifying whether the specified classification fields are included with the abstract query for execution, and another selection element for initiating execution of the abstract query.
    • 公开了用于存储和呈现包括用于指定结果字段的显示区域和用于定义抽象查询的运算符的图形用户界面(GUI)的技术。 每个结果字段对应于抽象地描述数据库中的数据的数据抽象模型的逻辑字段规范。 GUI还包括用于指定抽象查询的分类字段的显示区域,每个分类字段包括结果字段和分类定义,并且显示区域包括显示可用结果字段的结果字段窗口和被配置为允许指定分类的图形元素 一个或多个选定结果字段的定义。 分类定义适合于将数据分割成多个类别。 GUI还包括用于指定指定的分类字段是否包括在用于执行的抽象查询中的选择元素,以及用于发起抽象查询的执行的另一选择元素。
    • 3. 发明申请
    • ENCODED MATRIX INDEX
    • 编码矩阵索引
    • US20120179712A1
    • 2012-07-12
    • US13422560
    • 2012-03-16
    • Robert J. BestgenThomas J. EggebraatenJeffrey W. Tenner
    • Robert J. BestgenThomas J. EggebraatenJeffrey W. Tenner
    • G06F17/30
    • G06F17/30324G06F19/28
    • A method, apparatus, and program product are provided for creating an Encoded Matrix Index for a column in a database table. An element of the column for all rows in the database table is compared to a corresponding reference value in a reference data structure, and in response to at least one value for the element of the column not matching the reference value, indicating a variation in a variation data structure and creating a value data structure. Queries executed using the Encoded Matrix Index include terms associated with a sub-column defined in a column of a database table. The variation data structure is accessed to determine whether any variation exists between rows belonging to a sub-column of the database table. If no variation exists, a value is accessed from the reference data structure; otherwise, a value for each row of the sub-column is accessed from a value data structure.
    • 提供了一种方法,装置和程序产品,用于为数据库表中的列创建编码矩阵索引。 将数据库表中所有行的列的元素与参考数据结构中的对应参考值进行比较,并响应于不匹配参考值的列的元素的至少一个值,指示在 变化数据结构和创建价值数据结构。 使用编码矩阵索引执行的查询包括与数据库表的列中定义的子列相关联的术语。 访问变体数据结构以确定属于数据库表的子列的行之间是否存在变化。 如果不存在变化,则从参考数据结构访问值; 否则,从值数据结构访问子列的每一行的值。
    • 8. 发明授权
    • Automated data model extension through data crawler approach
    • 通过数据抓取方式自动数据模型扩展
    • US07827159B2
    • 2010-11-02
    • US12049277
    • 2008-03-15
    • Richard D. DettingerDaniel P. KolzRichard J. StevensJeffrey W. Tenner
    • Richard D. DettingerDaniel P. KolzRichard J. StevensJeffrey W. Tenner
    • G06F17/00
    • G06F17/30864
    • Methods, systems, and articles of manufacture for accessing data stored in multiple data sources. Such methods employ an automated software agent to maintain a collection of data sources available for querying. The data sources may all reside within a single local network or may be distributed throughout multiple locations. Generally, the automated software agent searches a given domain for additional data sources according to a defined set of selection criteria. After discovering an additional data source, the automated software agent configures a query application to reflect the availability the additional data source. Further, the automated software agent may periodically evaluate the collection of data sources against the selection criteria and remove those that are either no longer available or no longer satisfy the selection criteria.
    • 用于访问存储在多个数据源中的数据的方法,系统和制品。 这样的方法使用自动化软件代理来维护可用于查询的数据源的集合。 数据源可以全部驻留在单个本地网络中,或者可以分布在多个位置。 通常,自动化软件代理根据定义的选择标准集搜索给定域中的附加数据源。 在发现附加数据源之后,自动化软件代理配置查询应用程序以反映可用性附加数据源。 此外,自动软件代理可以根据选择标准周期性地评估数据源的收集,并去除不再可用或不再满足选择标准的那些。