Patents by Inventor Piotr Jacek Krychniak

Piotr Jacek Krychniak 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 optimizing query generation by selectively utilizing attributes or key values
    Patent number: 6192357
    Abstract: A method of joining two or more sets of data in a database is provided wherein certain dimensions in the fact data are designated as being forced dimensions, and wherein for each forced dimension, a set of entries is created in the fact data each with the same key values in all of the dimensions other than the forced dimension, and each with a different member of the set of values existing in the fact data for that dimension, if and only if at least one entry exists in the fact data with the same set of key values in the dimensions other than the forced dimension.
    Type: Grant
    Filed: November 3, 1998
    Date of Patent: February 20, 2001
    Assignee: Platinum Technology, Inc.
    Inventor: Piotr Jacek Krychniak