Patents by Inventor Elizabeth Belva Hamel

Elizabeth Belva Hamel 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).

  • Patent number: 7418441
    Abstract: A method, apparatus and article of manufacture is provided for loading data from a remote data source record by record, in a computer system network connecting a source site and a target site via a database connection communication line. The source site has at least one data source and a Distributed Relational Database Architecture (DRDA) software server having multi-database access to DBMSs. The target site requests data loading from the source site DRDA via a block of Structured Query Language (SQL) statements. Data are transported record by record via the database connection communication line according to the DRDA communication protocol, wherein the target site loads records concurrently with the unloading of records in the source site. The data loading may also be performed in a pipeline manner, loading data records in multiple partitions with a plurality of parallel streams, pointed to by a plurality of data source partition cursors.
    Type: Grant
    Filed: July 24, 2001
    Date of Patent: August 26, 2008
    Assignee: International Business Machines Corporation
    Inventors: Elizabeth Belva Hamel, Michael T. Ho, James C. Kleewein, Mark Donald Leitch, Sam Sampson Lightstone, John Ai McPherson, Jr., James Alan Ruddy
  • Patent number: 7076508
    Abstract: Provided are a method, system, and program for merging independent log entries in a multiple node shared nothing DBMS. Initially, log entries from multiple log entries are combined to form a single log entry sequence. Local transactions are generated from the single log entry sequence and stored in a local transactions structure. In particular, log entries with the same local transaction identifier form a local transaction. Then, local transactions having the same global identifier are merged to form global transactions.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: July 11, 2006
    Assignee: International Business Machines Corporation
    Inventors: Serge Bourbonnais, Elizabeth Belva Hamel, Bruce G. Lindsay, Chengfei Liu, Jens Stankiewitz, Tuong Chanh Truong
  • Publication number: 20040030703
    Abstract: Provided are a method, system, and program for merging independent log entries in a multiple node shared nothing DBMS. Initially, log entries from multiple log entries are combined to form a single log entry sequence. Local transactions are generated from the single log entry sequence and stored in a local transactions structure. In particular, log entries with the same local transaction identifier form a local transaction. Then, local transactions having the same global identifier are merged to form global transactions.
    Type: Application
    Filed: August 12, 2002
    Publication date: February 12, 2004
    Applicant: International Business Machines Corporation
    Inventors: Serge Bourbonnais, Elizabeth Belva Hamel, Bruce G. Lindsay, Chengfei Liu, Jens Stankiewitz, Tuong Chanh Truong
  • Publication number: 20020161748
    Abstract: A method, apparatus and article of manufacture is provided for loading data from a remote data source record by record, in a computer system network connecting a source site and a target site via a database connection communication line. The source site has at least one data source and a Distributed Relational Database Architecture (DRDA) software server having multi-database access to DBMSs. The target site requests data loading from the source site DRDA via a block of Structured Query Language (SQL) statements. Data are transported record by record via the database connection communication line according to the DRDA communication protocol, wherein the target site loads records concurrently with the unloading of records in the source site. The data loading may also be performed in a pipeline manner, loading data records in multiple partitions with a plurality of parallel streams, pointed to by a plurality of data source partition cursors.
    Type: Application
    Filed: July 24, 2001
    Publication date: October 31, 2002
    Applicant: International Business Machines Corporation
    Inventors: Elizabeth Belva Hamel, Michael T. Ho, James C. Kleewein, Mark Donald Lcilch, Sam Sampson Lightstone, John Ai McPherson, James Alan Ruddy