Patents by Inventor Ki Yeul Lee

Ki Yeul Lee 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: 10664459
    Abstract: Provided are a database (DB) managing method and system, wherein, while forming an index of a DB, a lower value and an upper value of key values of a plurality of records included in one page are stored as separators and an overlapping part of the key values is deleted from the plurality of records by using the separators to save a storage space where pages of the index is stored, and thus the performance of the DB is improved.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: May 26, 2020
    Assignee: NAVER Corporation
    Inventors: Kyung Sik Seo, Gab Young Kim, Ki Yeul Lee
  • Publication number: 20150106380
    Abstract: Provided are a database (DB) managing method and system, wherein, while forming an index of a DB, a lower value and an upper value of key values of a plurality of records included in one page are stored as separators and an overlapping part of the key values is deleted from the plurality of records by using the separators to save a storage space where pages of the index is stored, and thus the performance of the DB is improved.
    Type: Application
    Filed: October 14, 2014
    Publication date: April 16, 2015
    Inventors: Kyung Sik Seo, Gab Young Kim, Ki Yeul Lee