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    • 23. 发明申请
    • System and method for indexing weighted-sequences in large databases
    • 用于索引大数据库中加权序列的系统和方法
    • US20050114298A1
    • 2005-05-26
    • US10723229
    • 2003-11-26
    • Wei FanChang-Shing PerngHaixun WangPhilip Yu
    • Wei FanChang-Shing PerngHaixun WangPhilip Yu
    • G06F17/30
    • G06F17/30327G06F17/30548Y10S707/99943
    • The present invention provides an index structure for managing weighted-sequences in large databases. A weighted-sequence is defined as a two-dimensional structure in which each element in the sequence is associated with a weight. A series of network events, for instance, is a weighted-sequence because each event is associated with a timestamp. Querying a large sequence database by events' occurrence patterns is a first step towards understanding the temporal causal relationships among the events. The index structure proposed herein enables the efficient retrieval from the database of all subsequences (contiguous and non-contiguous) that match a given query sequence both by events and by weights. The index structure also takes into consideration the nonuniform frequency distribution of events in the sequence data.
    • 本发明提供了一种用于在大数据库中管理加权序列的索引结构。 加权序列被定义为二维结构,其中序列中的每个元素与权重相关联。 例如,一系列网络事件是加权序列,因为每个事件都与时间戳相关联。 通过事件发生模式查询大序列数据库是了解事件之间的时间因果关系的第一步。 这里提出的索引结构使得能够通过事件和权重从数据库有效地检索与给定查询序列匹配的所有子序列(连续的和不连续的)。 索引结构还考虑了序列数据中事件的不均匀频率分布。
    • 25. 发明授权
    • System and method for indexing weighted-sequences in large databases
    • 用于索引大数据库中加权序列的系统和方法
    • US09009176B2
    • 2015-04-14
    • US12198717
    • 2008-08-26
    • Wei FanChang-Shing PerngHaixun WangPhilip Shi-Lung Yu
    • Wei FanChang-Shing PerngHaixun WangPhilip Shi-Lung Yu
    • G06F7/00G06F17/30
    • G06F17/30327G06F17/30548Y10S707/99943
    • The present invention provides an index structure for managing weighted-sequences in large databases. A weighted-sequence is defined as a two-dimensional structure in which each element in the sequence is associated with a weight. A series of network events, for instance, is a weighted-sequence because each event is associated with a timestamp. Querying a large sequence database by events' occurrence patterns is a first step towards understanding the temporal causal relationships among the events. The index structure proposed herein enables the efficient retrieval from the database of all subsequences (contiguous and non-contiguous) that match a given query sequence both by events and by weights. The index structure also takes into consideration the nonuniform frequency distribution of events in the sequence data.
    • 本发明提供了一种用于在大数据库中管理加权序列的索引结构。 加权序列被定义为二维结构,其中序列中的每个元素与权重相关联。 例如,一系列网络事件是加权序列,因为每个事件都与时间戳相关联。 通过事件发生模式查询大序列数据库是了解事件之间的时间因果关系的第一步。 这里提出的索引结构使得能够通过事件和权重从数据库有效地检索与给定查询序列匹配的所有子序列(连续的和不连续的)。 索引结构还考虑了序列数据中事件的不均匀频率分布。
    • 26. 发明授权
    • Methodology for charging of discrete resource reservation based services
    • 基于离散资源预留服务的收费方法
    • US08781928B2
    • 2014-07-15
    • US13180048
    • 2011-07-11
    • Yu DengThao N. NguyenChang-Shing PerngRandy A. RendahlAnca SailerGrzegorz M. Swirszcz
    • Yu DengThao N. NguyenChang-Shing PerngRandy A. RendahlAnca SailerGrzegorz M. Swirszcz
    • G07F19/00
    • G06Q30/04
    • Methods, apparatus, and articles of manufacture are disclosed. These perform the following: accessing records of previous usage within a billing period of service units for customers, wherein the service units are discrete sizes of services for resource types, wherein each usage of an individual one of the service units has start and stop events, and wherein each resource type has a price fixed as of a date of the previous usage; dividing the billing period into time periods determined using the start and stop events for the usage of all of the service units; using the accessed records and the time periods and based on one or more criteria, assigning resource types to the previous usage in the time periods of the service units by the customers; and determining total charge for a selected customer based on the assignments of the resource types and corresponding prices for the selected customer.
    • 公开了方法,装置和制品。 这些执行以下操作:在客户的服务单元的计费周期内访问先前使用的记录,其中服务单元是用于资源类型的服务的离散大小,其中服务单元中的每一个的每个使用具有开始和停止事件, 并且其中每个资源类型具有从先前使用的日期固定的价格; 将计费周期划分为使用所有服务单元的使用的开始和结束事件确定的时间段; 使用访问的记录和时间段并且基于一个或多个标准,在客户的服务单元的时间段内将资源类型分配给先前的使用; 以及基于所选择的客户的资源类型和对应价格的分配来确定所选客户的总费用。
    • 27. 发明授权
    • Integrity assurance of query result from database service provider
    • 数据库服务提供商的查询结果的完整性保证
    • US07870398B2
    • 2011-01-11
    • US11626847
    • 2007-01-25
    • Chang-shing PerngHaixun WangJian YinPhilip S. Yu
    • Chang-shing PerngHaixun WangJian YinPhilip S. Yu
    • G06F12/14G06F7/00
    • G06F21/64G06F17/30286G06F21/6245G06F2221/2115
    • A method, system and computer program product for confirming the validity of data returned from a data store. A data store contains a primary data set encrypted using a first encryption and a secondary data set using a second encryption. The secondary data set is a subset of the primary data set. A client issues a substantive query against the data store to retrieve a primary data result belonging to the primary data set. A query interface issues at least one validating query against the data store. Each validating query returns a secondary data result belonging to the secondary data set. The query interface receives the secondary data result and provides a data invalid notification if data satisfying the substantive query included in an unencrypted form of the secondary data result is not contained in an unencrypted form of the primary data result.
    • 一种用于确认从数据存储返回的数据的有效性的方法,系统和计算机程序产品。 数据存储包含使用第一加密加密的主数据集和使用第二加密的辅数据集。 辅助数据集是主数据集的子集。 客户端对数据存储器发出实质性查询以检索属于主数据集的主数据结果。 查询界面对数据存储区发出至少一个验证查询。 每个验证查询返回属于辅助数据集的辅助数据结果。 如果满足辅助数据结果的未加密形式的实质性查询的数据未包含在主数据结果的未加密形式中,则查询接口接收辅助数据结果并提供数据无效通知。
    • 28. 发明申请
    • SYSTEM AND METHOD FOR INDEXING WEIGHTED-SEQUENCES IN LARGE DATABASES
    • 用于指数大数据库中的加权序列的系统和方法
    • US20090024618A1
    • 2009-01-22
    • US12198717
    • 2008-08-26
    • WEI FANCHANG-SHING PERNGHAIXUN WANGPHILIP SHI-LUNG YU
    • WEI FANCHANG-SHING PERNGHAIXUN WANGPHILIP SHI-LUNG YU
    • G06F7/06G06F17/30
    • G06F17/30327G06F17/30548Y10S707/99943
    • The present invention provides an index structure for managing weighted-sequences in large databases. A weighted-sequence is defined as a two-dimensional structure in which each element in the sequence is associated with a weight. A series of network events, for instance, is a weighted-sequence because each event is associated with a timestamp. Querying a large sequence database by events' occurrence patterns is a first step towards understanding the temporal causal relationships among the events. The index structure proposed herein enables the efficient retrieval from the database of all subsequences (contiguous and non-contiguous) that match a given query sequence both by events and by weights. The index structure also takes into consideration the nonuniform frequency distribution of events in the sequence data.
    • 本发明提供了一种用于在大数据库中管理加权序列的索引结构。 加权序列被定义为二维结构,其中序列中的每个元素与权重相关联。 例如,一系列网络事件是加权序列,因为每个事件都与时间戳相关联。 通过事件发生模式查询大序列数据库是了解事件之间的时间因果关系的第一步。 这里提出的索引结构使得能够通过事件和权重从数据库有效地检索与给定查询序列匹配的所有子序列(连续的和不连续的)。 索引结构还考虑了序列数据中事件的不均匀频率分布。