Patents by Inventor Gil Rok Oh

Gil Rok Oh 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: 6631385
    Abstract: A recovery method for a high-dimensional index structure is disclosed, in which a reinsert operation is employed based on ARIES (algorithm for recovery and isolation exploiting semantics) and a page-oriented redo and a logical undo. Further, a recording medium on which a program for carrying out the above method is recorded is disclosed, the program being readable by a computer. The recovery method for a high-dimensional index structure employing a reinsert operation according to the present invention includes the following steps. At a first step, an entry is inserted into a node, a minimum bounding region is adjusted, an overflow is processed, and a log record is stored. At a second step, the log record thus stored is recovered.
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: October 7, 2003
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jang Sun Lee, June Kim, Hun Soon Lee, Myung Joon Kim, Gil Rok Oh, Jae Soo Yoo, Seok Il Song
  • Publication number: 20030079157
    Abstract: A recovery method for a high-dimensional index structure is disclosed, in which a reinsert operation is employed based on ARIES (algorithm for recovery and isolation exploiting semantics) and a page-oriented redo and a logical undo. Further, a recording medium on which a program for carrying out the above method is recorded is disclosed, the program being readable by a computer. The recovery method for a high-dimensional index structure employing a reinsert operation according to the present invention includes the following steps. At a first step, an entry is inserted into a node, a minimum bounding region is adjusted, an overflow is processed, and a log record is stored. At a second step, the log record thus stored is recovered.
    Type: Application
    Filed: February 3, 2000
    Publication date: April 24, 2003
    Inventors: Jang Sun Lee, June Kim, Hun Soon Lee, Myung Joon Kim, Gil Rok Oh, Jae Soo Yoo, Seok Il Song
  • Patent number: 6415361
    Abstract: An apparatus for controlling a cache in a computing node, which is located between a node bus and an interconnection network to perform a cache coherence protocol, includes: a node bus interface for interfacing with the node bus; an interconnection network interface for interfacing with the interconnection network; a cache control logic means for controlling the cache to perform the cache coherence protocol; bus-side dual-port transaction buffers coupled between said node bus interface and said cache control logic means for buffering transaction requested and replied from or to local processors contained in the computing node; and network-side dual-port transaction buffers coupled between said interconnection network interface and said cache control logic for buffering transaction requested and replied from or to remote processors contained in another computing node coupled to the interconnection network.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: July 2, 2002
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang Man Moh, Jong Seok Han, An Do Ki, Woo Jong Hahn, Suk Han Yoon, Gil Rok Oh