Patents by Inventor Jeffery C. Schlimmer

Jeffery C. Schlimmer 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).

  • Patent number: 7584499
    Abstract: The present invention provide for an algebraic mapping of a policy expression from a compact to a normalized form, both in Boolean and set formulations. The policy algebra is defined in such a way that policy alternatives within the normalized expression will be the same across equivalent compact expressions—regardless of how the assertions are arbitrarily constrained or what operators are used to constrain such equivalent expressions. Moreover, the present invention also provides a model for identifying alternatives that are equivalent by comparing only the root element names or QName of each assertion within an alternative. In addition, embodiments as described herein can utilize the identification of equivalent alternatives in order to create an intersection policy expression to limit alternatives of admissible behavior to those in common across both endpoints.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: September 1, 2009
    Assignee: Microsoft Corporation
    Inventors: Alfred M. Lee, Ashok Malhotra, Elliot Lee Waingold, Jeffery C. Schlimmer, Stephen J. Millet