Patents by Inventor Romanos Piperakis

Romanos Piperakis 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).

  • Detecting and tracking new events/classes of documents in a data base
    Patent number: 6804688
    Abstract: Detecting and tracking of new events/classes of documents are disclosed. A method for detecting new events and/or classes of documents and tracking evolution thereof in a database, said new events and/or classes of said documents being added to said database, said documents including attribute data related to a temporal parameter, said method includes the steps of providing vectors of said documents related to attribute data including said temporal parameter included therein, and detecting said new events and classes and tracking the evolution thereof using said vectors.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: October 12, 2004
    Assignee: International Business Machines Corporation
    Inventors: Mei Kobayashi, Loic Malassis, Romanos Piperakis
  • Ranking of documents in a very large database
    Publication number: 20030023570
    Abstract: The present invention discloses a method, a computer system, a program product which provide a useful interface to rank the documents in a very large database using neural network(s).
    Type: Application
    Filed: May 24, 2002
    Publication date: January 30, 2003
    Inventors: Mei Kobayashi, Romanos Piperakis
  • Detecting and tracking new events/classes of documents in a data base
    Publication number: 20020007364
    Abstract: Detecting and tracking of new events/classes of documents are disclosed. A method for detecting new events and/or classes of documents and tracking evolution thereof in a database, said new events and/or classes of said documents being added to said database, said documents including attribute data related to a temporal parameter, said method includes the steps of providing vectors of said documents related to attribute data including said temporal parameter included therein, and detecting said new events and classes and tracking the evolution thereof using said vectors.
    Type: Application
    Filed: April 27, 2001
    Publication date: January 17, 2002
    Inventors: Mei Kobayashi, Loic Malassis, Romanos Piperakis