Patents by Inventor Mitchell N. Charity

Mitchell N. Charity 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).

  • Randomized query generation and document relevance ranking for robust information retrieval from a database
    Patent number: 5802515
    Abstract: A method and apparatus for randomly selecting terms from an input string to form a plurality of search queries is described. Each of the plurality of search queries can be provided to a database to locate database entries in the database. Database entries returned from a database search using the plurality of search queries may be ordered to provide a relevance ranked list of the database entries.
    Type: Grant
    Filed: June 11, 1996
    Date of Patent: September 1, 1998
    Assignee: Massachusetts Institute of Technology
    Inventors: Eytan Adar, Mitchell N. Charity