Patents by Inventor G D Ramkumar

G D Ramkumar 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 dynamically counting large itemsets
    Patent number: 6185559
    Abstract: The present invention is directed to a data mining method and apparatus that dynamically initiates the counting of sets of items (itemsets) at any time during the pass over the records of a database and terminates the counting at the same location in the next pass. In this manner, the present invention begins to count itemsets early and finishes counting early while keeping the number of different itemsets which are being counted in any pass relatively low.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: February 6, 2001
    Assignee: Hitachi America, Ltd.
    Inventors: Sergey Brin, G D Ramkumar, Shalom Tsur
  • Method and apparatus for generating weighted association rules
    Patent number: 6173280
    Abstract: The present invention discloses a data mining method and apparatus that assigns weight values to items and/or transactions based on the value to the user, thereby resulting in association rules of greater importance. A conservative method, aggressive method, or a combination of the two can be used when generating supersets.
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: January 9, 2001
    Assignee: Hitachi America, Ltd.
    Inventors: G D Ramkumar, Sanjay Ranka, Shalom Tsur