Patents by Inventor Paul Calisto Zuzarte

Paul Calisto Zuzarte 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).

  • Execution cost reduction of sampled queries in a database
    Patent number: 7689553
    Abstract: A method, system and computer program product for reducing the execution cost of sampled queries of tables in a database. A subset of entries comprising row identifiers or key values based on an input query of data in the tables of the database is generated. A sampling predicate to reduce the number of entries in the subset is generated. The sampling predicate is applied to the subset to reduce the number of entries in the subset. The data in the database corresponding to the reduced subset is retrieved from the database.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: March 30, 2010
    Assignee: International Business Machines Corporation
    Inventor: Paul Calisto Zuzarte