Patents by Inventor Dragomir R. Radev

Dragomir R. Radev 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).

  • System and method for finding the most likely answer to a natural language question
    Patent number: 8417514
    Abstract: Automated question answering is disclosed that relates to the selection of an answer to a question from a pool of potential answers which are manually or automatically extracted from a large collection of textual documents. The a feature extraction component, a feature combination component, an answer selection component, and an answer presentation component, among others, are included. The input to the system is a set of one or more natural language questions and a collection of textual document. The output is a (possibly ranked) set of factual answers to the questions, these answers being extracted from the document collection.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: April 9, 2013
    Assignee: International Business Machines Corporation
    Inventors: Eric W. Brown, Anni R. Coden, John M. Prager, Dragomir R. Radev, Valerie Samn