Patents by Inventor Philip B. Graff

Philip B. Graff 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 clustering, analysis and classification of high dimensional data sets
    Patent number: 10839256
    Abstract: An apparatus includes processing circuitry configured to execute instructions that, when executed, cause the apparatus to initialize a mixture model having a number of clusters including categorical data, iteratively update cluster assignments, evaluate cluster quality based on categorical density of the clusters, and prune clusters that have low categorical density, and determine an optimal mixture model based on the pruned clusters.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: November 17, 2020
    Assignee: The Johns Hopkins University
    Inventors: Cetin Savkli, Jeffrey S. Lin, Philip B. Graff
  • METHOD AND APPARATUS FOR CLUSTERING, ANALYSIS AND CLASSIFICATION OF HIGH DIMENSIONAL DATA SETS
    Publication number: 20180307943
    Abstract: An apparatus includes processing circuitry configured to execute instructions that, when executed, cause the apparatus to initialize a mixture model having a number of clusters including categorical data, iteratively update cluster assignments, evaluate cluster quality based on categorical density of the clusters, and prune clusters that have low categorical density, and determine an optimal mixture model based on the pruned clusters.
    Type: Application
    Filed: April 2, 2018
    Publication date: October 25, 2018
    Inventors: Cetin Savkli, Jeffrey S. Lin, Philip B. Graff