Patents by Inventor Bruce Benfield

Bruce Benfield 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 and system for integrating encryption functionality into a database system
    Patent number: 7353387
    Abstract: Aspects for integrating encryption functionality into a database system are described. The aspects include providing at least two functions to support data encryption in a database system. The at least two functions are utilized within structured query language statements to preserve confidentiality of user-specified data in the database system.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: April 1, 2008
    Assignee: International Business Machines Corporation
    Inventors: Bruce Benfield, Constance Jane Nelin, Charles Daniel Wolfson
  • Access control technique for resolving grants to users and groups of users on objects and groups of objects
    Publication number: 20070033656
    Abstract: Various embodiments of a method, system and article of manufacture resolve access to a specific principal on a particular resource. A set of candidate access rights to at least one principal on at least one resource is determined based on at least one grant. Any candidate access right for which there is another candidate access right to a same principal on a resource which is closer to the particular resource along a same route is eliminated from the said set of candidate access rights. Any candidate access right for which there is another candidate access right on a same resource to a principal which is closer to the specific principal along a same route is eliminated from the set of candidate access rights. Access is provided in accordance with a most permissive access level of the set of candidate access rights.
    Type: Application
    Filed: August 2, 2005
    Publication date: February 8, 2007
    Inventors: Bruce Benfield, Mary Lehner, Erik Underkofler, Ningning Wang
  • Method, system, and program for schema management
    Publication number: 20050160164
    Abstract: Disclosed is a method, system, and program for managing schemas. A schema and one or more associated schema documents are registered. A schema information document is automatically generated based on the schema and the one or more associated schema documents. A request to be performed on at least one of the schema, an associated schema document, and the schema information document is processed.
    Type: Application
    Filed: January 21, 2004
    Publication date: July 21, 2005
    Inventors: Bruce Benfield, Daniel Chang, Mary Lehner, Sundararaman Saiprasad, Robbert Van der Linden
  • Method and system for integrating encryption functionality into a database system
    Publication number: 20020129260
    Abstract: Aspects for integrating encryption functionality into a database system are described. The aspects include providing at least two functions to support data encryption in a database system. The at least two functions are utilized within structured query language statements to preserve confidentiality of user-specified data in the database system.
    Type: Application
    Filed: March 8, 2001
    Publication date: September 12, 2002
    Inventors: Bruce Benfield, Constance Jane Nelin, Charles Daniel Wolfson