Patents by Inventor Dojin Choi

Dojin Choi 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: 10891229
    Abstract: A multi-level caching method and a multi-level caching system for enhancing a graph processing performance are provided. The multi-level caching method includes searching for graph data associated with a query from a first cache memory in which data output in response to a previous query request is stored, when a query request for the query is received, re-searching for the graph data from a second cache memory in which neighboring data with a history of an access to each of data stored in the first cache memory is stored, when the graph data is not found in the first cache memory, and outputting first neighboring data found by the re-searching as the graph data when a response to the query request is output.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: January 12, 2021
    Assignee: CHUNGBUK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Seunghun Yoo, Dojin Choi, Jongtae Lim, Kyoungsoo Bok, Jaesoo Yoo
  • Publication number: 20190179752
    Abstract: A multi-level caching method and a multi-level caching system for enhancing a graph processing performance are provided. The multi-level caching method includes searching for graph data associated with a query from a first cache memory in which data output in response to a previous query request is stored, when a query request for the query is received, re-searching for the graph data from a second cache memory in which neighboring data with a history of an access to each of data stored in the first cache memory is stored, when the graph data is not found in the first cache memory, and outputting first neighboring data found by the re-searching as the graph data when a response to the query request is output.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 13, 2019
    Inventors: Seunghun YOO, Dojin Choi, Jongtae Lim, Kyoungsoo Bok, Jaesoo Yoo