Patents Assigned to The United States of America as represented by the Secretary of NSA
  • Language-independent method of generating index terms
    Patent number: 5752051
    Abstract: Index terms are drawn from text documents without the need for language-specific processes or training and are suitable as gists for the subject documents. Index terms are extracted on the basis of scores of constituent n-grams relative to n-gram counts in a corpus. A method of extracting joint index terms to represent a plurality of documents is also provided.
    Type: Grant
    Filed: July 19, 1994
    Date of Patent: May 12, 1998
    Assignee: The United States of America as represented by the Secretary of NSA
    Inventor: Jonathan Drew Cohen