Patents by Inventor Chang-Jian Sun

Chang-Jian Sun 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).

  • Database designer
    Patent number: 8290931
    Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for a database designer and a database storage designer. In one aspect, a method includes creating a set of candidate projections and progressively narrowing the set of candidate projections and a set of queries by eliminating candidate projections that do not satisfy a performance improvement criterion for remaining queries based on the properties associated with the candidate projections.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: October 16, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Mingsheng Hong, Priya Arun, Chang-Jian Sun, Shilpa Lawande
  • DATABASE DESIGNER
    Publication number: 20110213766
    Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for a database designer and a database storage designer. In one aspect, a method includes creating a set of candidate projections and progressively narrowing the set of candidate projections and a set of queries by eliminating candidate projections that do not satisfy a performance improvement criterion for remaining queries based on the properties associated with the candidate projections.
    Type: Application
    Filed: June 16, 2010
    Publication date: September 1, 2011
    Applicant: Vertica Systems, Inc.
    Inventors: Mingsheng Hong, Priya Arun, Chang-Jian Sun, Shilpa Lawande