Patents by Inventor Justo Luis Perez

Justo Luis Perez 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).

  • Enforcing native access control to indexed documents
    Patent number: 8417693
    Abstract: Techniques are provided for processing a search request. One or more indexed levels of access control list information are stored in a search index for each document identified in the search index. An interim result set is generated by matching the one or more indexed levels of access control list information associated with each said document to one or more security groups associated with the search request. A final result set is generated from the interim result set by performing impersonation.
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: April 9, 2013
    Assignee: International Business Machines Corporation
    Inventors: Ronny Lempel, Todd Leyba, John A. McPherson, Jr., Justo Luis Perez