Patents by Inventor Barbara S. Stefik

Barbara S. Stefik 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: 8930388
    Abstract: A system and method for providing orientation into subject areas of digital information for augmented communities is provided. Topics are provided for subject areas. Each subject area is associated with an augmented community and each topic is hierarchically organized under a fine-grained topic category. Evergreen indexes are maintained and includes topic models that are each matched to topics associated with each augmented community. Interrelatedness of the evergreen indexes is determined by identifying the topics found in the topic hierarchy for each evergreen index that are shared. A social network including neighbors made up of each augmented community associated with each interrelated evergreen index is formed. A user interest is determined and each of the plurality of topic models for the evergreen indexes is evaluated against the digital information. Access to the digital information via the identified best matched evergreen index and the identified other evergreen index is provided.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: January 6, 2015
    Assignee: Palo Alto Research Center Incorporated
    Inventors: Mark Jeffrey Stefik, Barbara S. Stefik
  • Patent number: 8671104
    Abstract: A system and method for providing orientation into digital information is provided. A plurality of evergreen indexes for subject areas are maintained. The evergreen indexes include digital information and are each organized by topics that include a topic model matched to the digital information. A user interest within the digital information is determined. The topic models for the evergreen indexes are evaluated against the user interest and those topics models that best match the user interest are identified. Access to the digital information is provided via at least one of the topic models in at least one of the evergreen indexes.
    Type: Grant
    Filed: August 12, 2008
    Date of Patent: March 11, 2014
    Assignee: Palo Alto Research Center Incorporated
    Inventors: Mark Jeffrey Stefik, Barbara S. Stefik
  • Publication number: 20090100043
    Abstract: A system and method for providing orientation into digital information is provided. A plurality of evergreen indexes for subject areas are maintained. The evergreen indexes include digital information and are each organized by topics that include a topic model matched to the digital information. A user interest within the digital information is determined. The topic models for the evergreen indexes are evaluated against the user interest and those topics models that best match the user interest are identified. Access to the digital information is provided via at least one of the topic models in at least one of the evergreen indexes.
    Type: Application
    Filed: August 12, 2008
    Publication date: April 16, 2009
    Applicant: Palo Alto Research Center Incorporated
    Inventors: Mark Jeffrey Stefik, Barbara S. Stefik