Patents by Inventor Barbara Hartel

Barbara Hartel 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).

  • Patent number: 7177863
    Abstract: A system and associated method for tuning a data clustering program to a clustering task, determine at least one internal parameter of a data clustering program. The determination of one or more of the internal parameters of the data clustering program occurs before the clustering begins. Consequently, clustering does not need to be performed iteratively, thus improving clustering program performance in terms of the required processing time and processing resources. The system provides pairs of data records; the user indicates whether or not these data records should belong to the same cluster. The similarity values of the records of the selected pairs are calculated based on the default parameters of the clustering program. From the resulting similarity values, an optimal similarity threshold is determined. When the optimization criterion does not yield a single optimal similarity threshold range, equivalent candidate ranges are selected.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: February 13, 2007
    Assignee: International Business Machines Corporation
    Inventors: Boris Charpiot, Barbara Hartel, Christoph Lingenfelder, Thilo Maier
  • Publication number: 20030204484
    Abstract: A system and associated method for tuning a data clustering program to a clustering task, determine at least one internal parameter of a data clustering program. The determination of one or more of the internal parameters of the data clustering program occurs before the clustering begins. Consequently, clustering does not need to be performed iteratively, thus improving clustering program performance in terms of the required processing time and processing resources. The system provides pairs of data records; the user indicates whether or not these data records should belong to the same cluster. The similarity values of the records of the selected pairs are calculated based on the default parameters of the clustering program. From the resulting similarity values, an optimal similarity threshold is determined. When the optimization criterion does not yield a single optimal similarity threshold range, equivalent candidate ranges are selected.
    Type: Application
    Filed: March 14, 2003
    Publication date: October 30, 2003
    Applicant: International Business Machines Corporation
    Inventors: Boris Charpiot, Barbara Hartel, Christoph Lingenfelder, Thilo Maier