Patents by Inventor hyeong-cheol RYU

hyeong-cheol RYU 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).

  • Data clustering apparatus and method based on range query using CF tree
    Patent number: 11048730
    Abstract: Discloses are a data clustering apparatus and method based on a range query using a CF tree. The data clustering apparatus includes a CF tree construction unit configured to construct a CF tree, including a leaf node configured with a micro cluster (MC) and an index node configured with a sub-cluster (SC), based on a plurality of data included in a data set, a micro cluster segment (MCS) generation unit configured to generate an MCS based on a distance between the MCs while sequentially searching the leaf node to a right, and a cluster set generation unit configured to generate a cluster set by performing a range query on the MCS.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: June 29, 2021
    Assignee: SOGANG UNIVERSITY RESEARCH FOUNDATION
    Inventors: Sungwon Jung, hyeong-cheol Ryu
  • DATA CLUSTERING APPARATUS AND METHOD BASED ON RANGE QUERY USING CF TREE
    Publication number: 20200142910
    Abstract: Discloses are a data clustering apparatus and method based on a range query using a CF tree. The data clustering apparatus includes a CF tree construction unit configured to construct a CF tree, including a leaf node configured with a micro cluster (MC) and an index node configured with a sub-cluster (SC), based on a plurality of data included in a data set, a micro cluster segment (MCS) generation unit configured to generate an MCS based on a distance between the MCs while sequentially searching the leaf node to a right, and a cluster set generation unit configured to generate a cluster set by performing a range query on the MCS.
    Type: Application
    Filed: August 21, 2019
    Publication date: May 7, 2020
    Applicant: SOGANG UNIVERSITY RESEARCH FOUNDATION
    Inventors: Sungwon JUNG, hyeong-cheol RYU