Patents by Inventor Dale Waddell

Dale Waddell 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).

  • Associative text search and retrieval system having a table indicating word position in phrases
    Patent number: 5771378
    Abstract: An associative text search and retrieval system uses one or more front end processors to interacting with a network having one or more user terminals connected thereto to allow a user to provide information to the system and receive information from the system. The system also includes storage for a plurality of text documents, and at least one processor, coupled to the front end processors and the document storage. The processor(s) search the text documents according to a search request provided by the user and provide to the front end processor a predetermined number of retrieved documents containing at least one term of the search request. The retrieved documents have higher ranks than documents not provided to the front end processor. The ranks are calculated using a formula that varies according to the square of the frequency in each of the text documents of each of the search terms.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: June 23, 1998
    Assignee: Reed Elsevier, Inc.
    Inventors: John Holt, David James Miller, X. Allan Lu, Ray Daley, Minh Doan, Richard G. Graham, Catherine Leininger, Darin W. McBeath, Thomas Pease, Stephen M. Sever, Dale Waddell, Franz Weckesser
  • Associative text search and retrieval system
    Patent number: 5692176
    Abstract: An associative text search and retrieval system uses one or more front end processors to interacting with a network having one or more user terminals connected thereto to allow a user to provide information to the system and receive information from the system. The system also includes storage for a plurality of text documents, and at least one processor, coupled to the front end processors and the document storage. The processor(s) search the text documents according to a search request provided by the user and provide to the front end processor a predetermined number of retrieved documents containing at least one term of the search request. The retrieved documents have higher ranks than documents not provided to the front end processor. The ranks are calculated using a formula that varies according to the square of the frequency in each of the text documents of each of the search terms.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: November 25, 1997
    Assignee: Reed Elsevier Inc.
    Inventors: John Holt, David James Miller, X. Allen Lu, Ray Daley, Minh Doan, Richard G. Graham, Catherine Leininger, Darin W. McBeath, Thomas Pease, Steven M. Sever, Dale Waddell, Franz Weckesser