Patents by Inventor Ian S. Oberst

Ian S. Oberst 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 apparatus for facilitating document sanitization
    Patent number: 8566350
    Abstract: One embodiment provides a system for facilitating sanitizing a modified version of a document relative to one or more sensitive topics. During operation, the system determines a privacy risk for a term in the modified version relative to the sensitive topics, wherein the privacy risk measures the extent to which the sensitive topic(s) can be inferred based on the term. Next, the system determines an information utility and privacy loss or gain for the modified version, where the information utility reflects the extent to which the modified version has changed and the privacy loss or gain reflects the extent to which the modified version is reduced in sensitivity.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: October 22, 2013
    Assignee: Palo Alto Research Center Incorporated
    Inventors: Richard Chow, Jessica N. Staddon, Ian S. Oberst
  • METHOD AND APPARATUS FOR FACILITATING DOCUMENT SANITIZATION
    Publication number: 20110107205
    Abstract: One embodiment provides a system for facilitating sanitizing a modified version of a document relative to one or more sensitive topics. During operation, the system determines a privacy risk for a term in the modified version relative to the sensitive topics, wherein the privacy risk measures the extent to which the sensitive topic(s) can be inferred based on the term. Next, the system determines an information utility and privacy loss or gain for the modified version, where the information utility reflects the extent to which the modified version has changed and the privacy loss or gain reflects the extent to which the modified version is reduced in sensitivity.
    Type: Application
    Filed: November 2, 2009
    Publication date: May 5, 2011
    Applicant: Palo Alto Research Center Incorporated
    Inventors: Richard Chow, Jessica N. Staddon, Ian S. Oberst