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    • 2. 发明授权
    • Data feed management
    • 数据Feed管理
    • US08713149B2
    • 2014-04-29
    • US13219744
    • 2011-08-29
    • Vladislav ShkapenyukTheodore JohnsonDivesh Srivastava
    • Vladislav ShkapenyukTheodore JohnsonDivesh Srivastava
    • G06F15/173
    • H04L67/26
    • The present disclosure is directed to systems, methods, and computer-readable storage media for data feed management. Data feeds can be received at one or more landing directories associated with a feed management system. The feed management system can be configured to map the data feeds in the landing directories to one or more subscribers, and the data feeds can be moved to one or more staging directories associated with the subscribers. The data feeds can be delivered to the one or more subscribers from the staging directories. Receipts indicating delivery of the data feeds can be stored by the feed management system. The feed management system can be configured to manage data feeds, landing directories, and staging directories.
    • 本公开涉及用于数据馈送管理的系统,方法和计算机可读存储介质。 可以在与饲料管理系统相关联的一个或多个着陆目录处接收数据馈送。 饲料管理系统可以被配置为将登陆目录中的数据馈送映射到一个或多个订户,并且数据馈送可以被移动到与订户相关联的一个或多个暂存目录。 数据源可以从分段目录传递给一个或多个订户。 可以由饲料管理系统存储指示饲料数据的收料。 饲料管理系统可以被配置为管理数据馈送,登陆目录和登台目录。
    • 6. 发明授权
    • Coarse indexes for a data warehouse
    • 数据仓库的粗略索引
    • US06216125B1
    • 2001-04-10
    • US09109516
    • 1998-07-02
    • Theodore Johnson
    • Theodore Johnson
    • G06F1730
    • G06F17/30324Y10S707/99932Y10S707/99933Y10S707/99934Y10S707/99943
    • A coarse database index, and system and method of use therefor, that will quickly indicate which data partitions of a table contain a given key. Once the target data partitions are located, the exact record locations can be found using traditional indexes. The coarse indexes take little space, can be updated quickly, and searched quickly. The coarse index is in conjunction with a database including a plurality of data partitions. Each data partition includes data, including a plurality of key values of at least one key, and at least one dense index referencing the data. The coarse index indexing the plurality of key values according to data partitions containing each key value. The coarse index includes a first bitmap, which is preferably arranged in key value major format. The coarse index may also include a second bitmap, which is preferably arranged in data partition major format. The second bitmap may be transformed from data partition major format to key value major format. The first and second bitmap partitions may be compressed.
    • 粗略的数据库索引及其使用的系统和方法,将快速指示表的哪些数据分区包含给定的键。 一旦找到目标数据分区,可以使用传统的索引找到确切的记录位置。 粗略的索引空间很小,可以快速更新,快速搜索。 粗略索引与包括多个数据分区的数据库相结合。 每个数据分区包括数据,包括至少一个键的多个键值,以及引用该数据的至少一个密集索引。 粗略索引根据包含每个键值的数据分区来索引多个键值。 粗略索引包括优选地以键值主要格式布置的第一位图。 粗略索引还可以包括优选地以数据分区主格式布置的第二位图。 第二位图可以从数据分区主要格式转换为键值主要格式。 可以压缩第一和第二位图分区。