Patents by Inventor Josephine Miu-Kung Cheng

Josephine Miu-Kung Cheng 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).

  • Method and apparatus for creating an index in a database system
    Patent number: 6240407
    Abstract: A method, apparatus and article of manufacture for computer-implemented creation of an index in a database system is defined, wherein a structured document, interactively entered by an operator or already stored in the database system, is parsed into at least one corresponding element, then abstracted using a predefined abstraction procedure to obtain a set of abstracted values, the set of abstracted values being stored in the index for efficient execution of structured queries.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: May 29, 2001
    Assignee: International Business Machines Corp.
    Inventors: Daniel T. Chang, Josephine Miu-Kung Cheng, Jyh-Herng Chow, Jian Xu