Patents by Inventor David Rawlins Duling

David Rawlins Duling 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: 9336493
    Abstract: In accordance with the teachings described herein, systems and methods are provided for clustering time series based on forecast distributions. A method for clustering time series based on forecast distributions may include: receiving time series data relating to one or more aspects of a physical process; applying a forecasting model to the time series data to generate forecasted values and confidence intervals associated with the forecasted values, the confidence intervals being generated based on distribution information relating to the forecasted values; generating a distance matrix that identifies divergence in the forecasted values, the distance matrix being generated based the distribution information relating to the forecasted values; and performing a clustering operation on the plurality of forecasted values based on the distance matrix. The distance matrix may be generated using a symmetric Kullback-Leibler divergence algorithm.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: May 10, 2016
    Assignee: SAS Institute Inc.
    Inventors: Taiyeong Lee, David Rawlins Duling
  • Publication number: 20120310939
    Abstract: In accordance with the teachings described herein, systems and methods are provided for clustering time series based on forecast distributions. A method for clustering time series based on forecast distributions may include: receiving time series data relating to one or more aspects of a physical process; applying a forecasting model to the time series data to generate forecasted values and confidence intervals associated with the forecasted values, the confidence intervals being generated based on distribution information relating to the forecasted values; generating a distance matrix that identifies divergence in the forecasted values, the distance matrix being generated based the distribution information relating to the forecasted values; and performing a clustering operation on the plurality of forecasted values based on the distance matrix. The distance matrix may be generated using a symmetric Kullback-Leibler divergence algorithm.
    Type: Application
    Filed: June 6, 2011
    Publication date: December 6, 2012
    Inventors: Taiyeong Lee, David Rawlins Duling
  • Patent number: 8296224
    Abstract: Computer-implemented systems and methods are provided for generating bins for a scorecard. An approximate set of bins is generated by applying an optimization model to binning data. The optimization model includes an objective function, constraints, and surrogate weight of evidence metric(s). The approximated set of bins are then used in scorecard operations.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: October 23, 2012
    Assignee: SAS Institute Inc.
    Inventors: Ivan Borges Oliveira, Manoj Keshavmurthi Chari, David Rawlins Duling, Susan Edwards Haller, Robert William Pratt
  • Patent number: 8190612
    Abstract: Computer-implemented systems and methods are provided for creating a cluster structure from a data set containing input variables. Global clusters are created within a first stage, by computing a similarity matrix from the data set. A global cluster structure and sub-cluster structure are created within a second stage, where the global cluster structure and the sub-cluster structure are created using a latent variable clustering technique and the cluster structure output is generated by combining the created global cluster structure and the created sub-cluster structure.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: May 29, 2012
    Assignee: SAS Institute Inc.
    Inventors: Taiyeong Lee, David Rawlins Duling, Dominique Joseph Latour
  • Publication number: 20100153456
    Abstract: Computer-implemented systems and methods are provided for creating a cluster structure from a data set containing input variables. Global clusters are created within a first stage, by computing a similarity matrix from the data set. A global cluster structure and sub-cluster structure are created within a second stage, where the global cluster structure and the sub-cluster structure are created using a latent variable clustering technique and the cluster structure output is generated by combining the created global cluster structure and the created sub-cluster structure.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 17, 2010
    Inventors: Taiyeong Lee, David Rawlins Duling, Dominique Joseph Latour
  • Publication number: 20100082469
    Abstract: Computer-implemented systems and methods are provided for generating bins for a scorecard. An approximate set of bins is generated by applying an optimization model to binning data. The optimization model includes an objective function, constraints, and surrogate weight of evidence metric(s). The approximated set of bins are then used in scorecard operations.
    Type: Application
    Filed: September 30, 2008
    Publication date: April 1, 2010
    Inventors: Ivan Borges Oliveira, Manoj Keshavmurthi Chari, David Rawlins Duling, Susan Edwards Haller, Robert William Pratt