Patents by Inventor Jeffrey Paul LeFevre

Jeffrey Paul LeFevre 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: 9477708
    Abstract: Systems and methods are disclosed for managing a multi-store execution environment by applying opportunistic materialized views to improve workload performance and executing a plan on multiple database engines to increase query processing speed by leveraging unique capabilities of each engine by enabling stages of a query to execute on multiple engines, and by moving materialized views across engines.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: October 25, 2016
    Assignee: NEC Corporation
    Inventors: Vahit Hakan Hacigumus, Jagan Sankaranarayanan, Jeffrey Paul LeFevre, Junichi Tatemura, Neoklis Polyzotis
  • Publication number: 20140207755
    Abstract: Systems and methods are disclosed for managing a multi-store execution environment by applying opportunistic materialized views to improve workload performance and executing a plan on multiple database engines to increase query processing speed by leveraging unique capabilities of each engine by enabling stages of a query to execute on multiple engines, and by moving materialized views across engines.
    Type: Application
    Filed: November 6, 2013
    Publication date: July 24, 2014
    Applicant: NEC Laboratories America, Inc.
    Inventors: Vahit Hakan Hacigumus, Jagan Sankaranarayanan, Jeffrey Paul LeFevre, Junichi Tatemura, Neoklis Polyzotis