Patents by Inventor Marc Damashek

Marc Damashek 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 of retrieving documents that concern the same topic
    Patent number: 5418951
    Abstract: A method of identifying, retrieving, or sorting documents by language or topic involving the steps of creating an n-gram array for each document in a database, parsing an unidentified document or query into n-grams, assigning a weight to each n-gram, removing the commonality from the n-grams, comparing each unidentified document or query to each database document, scoring the unidentified document or query against each database document for similarity, and based on the similarity score, identifying retrieving, or sorting the document or query with-respect to language or topic.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: May 23, 1995
    Assignee: The United States of America as represented by the Director of National Security Agency
    Inventor: Marc Damashek