Patents by Inventor Houqiang Yan

Houqiang Yan 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).

  • Methods and apparatus for processing a query joining tables stored at different data sources
    Patent number: 7945561
    Abstract: Methods and apparatus for joining two or more tables are disclosed. A query including a join query is received, where the join query requests that a new table be generated from data obtained from two or more tables, where the two or more tables are stored at two or more data sources. One or more columns for each of the tables for which data is to be obtained are identified from the query. A query plan to execute the query to obtain data for the identified columns from the two or more tables is then generated.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: May 17, 2011
    Assignee: Actuate Corporation
    Inventors: Wenfeng Li, Venkateswaran Venkataraman Iyer, Houqiang Yan, Aneesh M. Kulkarni, Peter Lai, Ajibayo O. O. A. Ogunshola
  • Methods and apparatus for joining tables from different data sources
    Patent number: 7720838
    Abstract: Methods and apparatus for joining two or more tables are disclosed. A query including a join query is received, where the join query requests that a new table be generated from data obtained from two or more tables, where the two or more tables are stored at two or more different data sources. Data from the tables is retrieved corresponding to the query. A new table is then generated from the retrieved data.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: May 18, 2010
    Assignee: Actuate Corporation
    Inventors: Wenfeng Li, Venkateswaran Venkataraman Iyer, Houqiang Yan, Aneesh M. Kulkarni, Peter Lai, Ajibayo O. O. A. Ogunshola
  • Methods and apparatus for processing a query joining tables stored at different data sources
    Patent number: 7702616
    Abstract: Methods and apparatus for joining two or more tables are disclosed. A query including a join query is received, where the join query requests that a new table be generated from data obtained from two or more tables, where the two or more tables are stored at two or more data sources. One or more columns for each of the tables for which data is to be obtained are identified from the query. A query plan to execute the query to obtain data for the identified columns from the two or more tables is then generated.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: April 20, 2010
    Assignee: Actuate Corporation
    Inventors: Wenfeng Li, Venkateswaran Venkataraman Iyer, Houqiang Yan, Aneesh M. Kulkarni, Peter Lai, Ajibayo O. O. A. Ogunshola