会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 12. 发明授权
    • Index structure for supporting structural XML queries
    • 用于支持结构XML查询的索引结构
    • US07890471B2
    • 2011-02-15
    • US11780095
    • 2007-07-19
    • Wei FanHaixun WangPhilip Shi-Lung Yu
    • Wei FanHaixun WangPhilip Shi-Lung Yu
    • G06F7/00
    • G06F17/30911Y10S707/99933Y10S707/99943
    • The present invention provides a ViST (or “virtual suffix tree”), which is a novel index structure for searching XML documents. By representing both XML documents and XML queries in structure-encoded sequences, it is shown that querying XML data is equivalent to finding (non-contiguous) subsequence matches. A variety of XML queries, including those with branches, or wild-cards (‘*’ and ‘//’), can be expressed by structure-encoded sequences. Unlike index methods that disassemble a query into multiple sub-queries, and then join the results of these sub-queries to provide the final answers, ViST uses tree structures as the basic unit of query to avoid expensive join operations. Furthermore, ViST provides a unified index on both content and structure of the XML documents, hence it has a performance advantage over methods indexing either just content or structure. ViST supports dynamic index update, and it relies solely on B+Trees without using any specialized data structures that are not well supported by common database management systems (hereinafter referred to as “DBMSs”).
    • 本发明提供了一种ViST(或“虚拟后缀树”),其是用于搜索XML文档的新型索引结构。 通过在结构编码序列中同时表示XML文档和XML查询,显示查询XML数据等同于查找(非连续)子序列匹配。 各种XML查询(包括具有分支的查询)或通配符('*'和'//')可以由结构编码的序列表示。 不同于将查询反汇编成多个子查询的索引方法,然后加入这些子查询的结果以提供最终答案,ViST使用树结构作为查询的基本单位,以避免昂贵的连接操作。 此外,ViST为XML文档的内容和结构提供了一个统一的索引,因此与仅通过内容或结构索引方法相比,它具有性能优势。 ViST支持动态索引更新,它仅依赖于B + Tree,而不使用通用数据库管理系统(以下简称“DBMS”)不太支持的任何专门的数据结构。
    • 13. 发明授权
    • Method and system for indexing and serializing data
    • 索引和序列化数据的方法和系统
    • US07752192B2
    • 2010-07-06
    • US11681486
    • 2007-03-02
    • Xiaohui GuLipyeow LimHaixun WangMin Wang
    • Xiaohui GuLipyeow LimHaixun WangMin Wang
    • G06F17/30
    • G06F17/30911
    • The present invention provides a computer implemented method, an apparatus, and a computer usable program product for indexing data. A controller identifies a set of data to be indexed, wherein a set of data structure trees represents the set of data. The controller merges the set of data structure trees to form a unified tree, wherein the unified tree contains a node for each unit of data in the set of data. The controller assigns an identifier to the node for each unit of data in the set of data that describes the node within the unified tree. The controller then serializes the unified tree to form a set of sequential series that represents the set of data structure trees, wherein the set of sequential series forms an index for the set of data.
    • 本发明提供了一种用于索引数据的计算机实现的方法,装置和计算机可用程序产品。 控制器识别要索引的一组数据,其中一组数据结构树表示该组数据。 控制器将数据结构树组合成一个统一的树,其中统一树包含一组数据中每个数据单元的节点。 控制器为描述统一树中节点的数据集中的每个数据单元向节点分配一个标识符。 然后,控制器对统一树进行序列化以形成一组代表数据结构树的顺序序列,其中,该顺序序列集合形成该组数据的索引。
    • 15. 发明授权
    • Method for supporting ontology-related semantic queries in DBMSs with XML support
    • 用XML支持在DBMS中支持本体相关的语义查询的方法
    • US07730098B2
    • 2010-06-01
    • US11681319
    • 2007-03-02
    • Lipyeow LimHaixun WangMin Wang
    • Lipyeow LimHaixun WangMin Wang
    • G06F17/30
    • G06F17/30734G06F17/30404
    • A method for supporting semantic matching queries in a database management system (DBMS) by extracting and storing the transitive/subsumption relationships from a given ontology data in a DBMS with native XML support. These transitive relationships are transformed into a set of XML documents that are natural mappings of the hierarchical structure of the transitive relationships. A table function construct expresses semantic matching queries in a declarative manner. The semantic matching queried are automatically rewritten or translated into standard SQL/XML search operators such as XQuery, XPath and XMLExists, and executed by the SQL/XML DBMS on the given instance data and the extracted transitive relationships data.
    • 一种通过从具有本地XML支持的DBMS中的给定本体数据中提取和存储传递/包含关系来在数据库管理系统(DBMS)中支持语义匹配查询的方法。 这些传递关系被转换成一组XML文档,它们是传递关系的层次结构的自然映射。 表函数构造以声明方式表达语义匹配查询。 查询的语义匹配自动重写或转换为标准SQL / XML搜索运算符,如XQuery,XPath和XMLExists,并由SQL / XML DBMS在给定的实例数据和提取的传递关系数据上执行。
    • 18. 发明授权
    • System and method for load shedding in data mining and knowledge discovery from stream data
    • 数据挖掘中的负载脱落和流数据的知识发现的系统和方法
    • US07493346B2
    • 2009-02-17
    • US11058944
    • 2005-02-16
    • Yun ChiHaixun WangPhilip S. Yu
    • Yun ChiHaixun WangPhilip S. Yu
    • G06F12/00G06F17/30G06F9/46
    • G06K9/6297H04L43/028
    • Load shedding schemes for mining data streams. A scoring function is used to rank the importance of stream elements, and those elements with high importance are investigated. In the context of not knowing the exact feature values of a data stream, the use of a Markov model is proposed herein for predicting the feature distribution of a data stream. Based on the predicted feature distribution, one can make classification decisions to maximize the expected benefits. In addition, there is proposed herein the employment of a quality of decision (QoD) metric to measure the level of uncertainty in decisions and to guide load shedding. A load shedding scheme such as presented herein assigns available resources to multiple data streams to maximize the quality of classification decisions. Furthermore, such a load shedding scheme is able to learn and adapt to changing data characteristics in the data streams.
    • 挖掘数据流的加载脱落方案。 使用评分函数对流元素的重要性进行排序,并调查那些具有重要意义的元素。 在不知道数据流的精确特征值的上下文中,本文提出了使用马尔可夫模型来预测数据流的特征分布。 基于预测的特征分布,可以进行分类决定,以最大限度地提高预期效益。 此外,在此提出采用质量决策(QoD)度量来衡量决策中的不确定性水平并指导负荷脱落。 诸如此处呈现的负载脱落方案将可用资源分配给多个数据流以最大化分类决定的质量。 此外,这种负载脱落方案能够学习和适应数据流中不断变化的数据特性。
    • 20. 发明申请
    • Index Structure for Supporting Structural XML Queries
    • 支持结构XML查询的索引结构
    • US20070271243A1
    • 2007-11-22
    • US11780095
    • 2007-07-19
    • Wei FanHaixun WangPhilip Yu
    • Wei FanHaixun WangPhilip Yu
    • G06F17/30
    • G06F17/30911Y10S707/99933Y10S707/99943
    • The present invention provides a ViST (or “virtual suffix tree”), which is a novel index structure for searching XML documents. By representing both XML documents and XML queries in structure-encoded sequences, it is shown that querying XML data is equivalent to finding (non-contiguous) subsequence matches. A variety of XML queries, including those with branches, or wild-cards (‘*’ and ‘//’), can be expressed by structure-encoded sequences. Unlike index methods that disassemble a query into multiple sub-queries, and then join the results of these sub-queries to provide the final answers, ViST uses tree structures as the basic unit of query to avoid expensive join operations. Furthermore, ViST provides a unified index on both content and structure of the XML documents, hence it has a performance advantage over methods indexing either just content or structure. ViST supports dynamic index update, and it relies solely on B+Trees without using any specialized data structures that are not well supported by common database management systems (hereinafter referred to as “DBMSs”).
    • 本发明提供了一种ViST(或“虚拟后缀树”),其是用于搜索XML文档的新型索引结构。 通过在结构编码序列中同时表示XML文档和XML查询,显示查询XML数据等同于查找(非连续)子序列匹配。 各种XML查询(包括具有分支的查询)或通配符('*'和'//')可以由结构编码的序列表示。 不同于将查询反汇编成多个子查询的索引方法,然后加入这些子查询的结果以提供最终答案,ViST使用树结构作为查询的基本单位,以避免昂贵的连接操作。 此外,ViST为XML文档的内容和结构提供了一个统一的索引,因此与仅通过内容或结构索引方法相比,它具有性能优势。 ViST支持动态索引更新,它仅仅依赖于B< +>树,而不使用通用数据库管理系统(以下简称“DBMS”)不能很好支持的任何专门的数据结构。