Patents by Inventor Charlene Xiaoqin Sun

Charlene Xiaoqin Sun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Using different groups of query graph transform modules to generate execution plans for queries for different database types
    Patent number: 8156134
    Abstract: Provided are a method, system, and article of manufacture for using different groups of query graph transform modules to generate execution plans for queries for different database types. A plurality of first type query translator modules include information indicating a first data store type to which the first query translator modules apply and a plurality of second query translator modules include information indicating a second data store type to which the first query translator modules apply. A query is received to query a target data store. A determination is made as to whether the target data store is of the first data store type or the second data store type. The first query translator modules are used to translate the received query to a query execution plan in response to determining that the target data store is of the first data store type.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: April 10, 2012
    Assignee: International Business Machines Corporation
    Inventors: Charlene Xiaoqin Sun, David J. Wisneski
  • USING DIFFERENT GROUPS OF QUERY GRAPH TRANSFORM MODULES TO GENERATE EXECUTION PLANS FOR QUERIES FOR DIFFERENT DATABASE TYPES
    Publication number: 20090132503
    Abstract: Provided are a method, system, and article of manufacture for using different groups of query graph transform modules to generate execution plans for queries for different database types. A plurality of first type query translator modules include information indicating a first data store type to which the first query translator modules apply and a plurality of second query translator modules include information indicating a second data store type to which the first query translator modules apply. A query is received to query a target data store. A determination is made as to whether the target data store is of the first data store type or the second data store type. The first query translator modules are used to translate the received query to a query execution plan in response to determining that the target data store is of the first data store type.
    Type: Application
    Filed: November 15, 2007
    Publication date: May 21, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES ORGANIZATION
    Inventors: Charlene Xiaoqin SUN, David J. WISNESKI