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    • 1. 发明授权
    • Flexible database and iterative spatial search process
    • 灵活的数据库和迭代空间搜索过程
    • US09223745B2
    • 2015-12-29
    • US13351828
    • 2012-01-17
    • Lucas Neal JoppaAndrew Bryan RobertsRichard James Williams
    • Lucas Neal JoppaAndrew Bryan RobertsRichard James Williams
    • G06F15/16G06F17/30
    • G06F15/16G06F17/30241
    • A flexible database and iterative spatial search process is described. In an embodiment, a flexible database server is described which takes input queries in the form of XML strings describing a search specification and parses them using a stored procedure. Searching is performed by generating a temporary table for each term in the search specification and then comparing the temporary tables to pre-existing tables within the database to identify datasets that meet the search specification. An application is also described which generates the XML string in response to user input and which displays the results to a user. The application provides a user interface which enables users to select attributes of results, such as the spatial data associated with a dataset, to include in a second search specification and to trigger this new search.
    • 描述了灵活的数据库和迭代空间搜索过程。 在一个实施例中,描述了以描述搜索规范的XML字符串的形式进行的输入查询并且使用存储过程进行解析的灵活的数据库服务器。 通过为搜索规范中的每个术语生成临时表,然后将临时表与数据库中的现有表进行比较,以识别符合搜索规范的数据集来执行搜索。 还描述了响应于用户输入生成XML字符串并将结果显示给用户的应用程序。 应用程序提供了一个用户界面,使用户能够选择结果的属性,例如与数据集相关联的空间数据,以包含在第二个搜索规范中并触发此新的搜索。