Patents by Inventor Douglas L. T. Rohde

Douglas L. T. Rohde 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).

  • Query language
    Patent number: 8954426
    Abstract: A fact repository supports searches of facts relevant to search queries comprising keywords and phrases. A service engine retrieves the objects that are associated with facts relevant to a query. The query language described is designed for use with such a repository of facts and searches both the attributes of facts and the values of the attributes.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: February 10, 2015
    Assignee: Google Inc.
    Inventors: Andrew W. Hogue, Douglas L. T. Rohde
  • Bloom filters for query simulation
    Patent number: 8239394
    Abstract: A method of restricting a database access operation is disclosed. A plurality of Bloom filters corresponding to a plurality of fields in a database are applied to two or more terms in a record to produce a first plurality of outputs. The record may correspond to a query. Extraneous terms may be removed from the record. The access operation to the database is enabled if the first plurality of outputs correspond to a positive result.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: August 7, 2012
    Assignee: Google Inc.
    Inventors: Andrew W. Hogue, Douglas L. T. Rohde, Peter J. Weinberger
  • Selecting the best answer to a fact query from among a set of potential answers
    Patent number: 7953720
    Abstract: A method and system for selecting a best answer to a factual query. Possible answers to a factual query are identified. The possible answers are scored and the best scoring possible answers are compared to other possible answers to determine how well they are supported. The most supported answer is chosen to be presented to the user.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: May 31, 2011
    Assignee: Google Inc.
    Inventors: Douglas L. T. Rohde, Thomas W. Ritchford