International Patents

n Registered

[1] Name of Invension : Multi-dimensional Selectivity Estimation Using Compressed Histogram

Inventors : Ju-Hong Lee, Deok-Hwan Kim, Chin-Wan Chung

Country of Registration : U.S.A.

Patent No. : US 6,311,181 B1

Date of Patent : Oct. 30, 2001

[2] Name of Invension : Apparatus and Method for Similarity Searches Using Hyper-Rectangle Based Multidimensional Data Segmentation

Inventors : Seok-Lyong Lee, Seok-Ju Chun, Deok-Hwan Kim, Chin-Wan Chung

Country of Registration : U.S.A.

Patent No. : US 6,778,981

Date of Patent : Aug.17, 2004

[3] Name of Invension : Apparatus and Method for Hyper-Rectangle Based Multidimensional Data Segmentation and Clustering

Inventors : Seok-Lyong Lee, Seok-Ju Chun, Deok-Hwan Kim, Chin-Wan Chung

Country of Registration : U.S.A.

Patent No. : Us 7,072,891

Date of Patent : July 4, 2006

[4] Name of Invension : Dynamic Update Cube and Hybrid Query Search Method for Range-Sum Queries

Inventors : Seok-Ju Chun, Chin-Wan Chung, Seok-Lyong Lee

Country of Registration : U.S.A.

Patent No. : US 7,177,854

Date of Patent: February 13, 2007

[5] Name of Invension : Method of Processing Query About XML Data Using APEX

Inventors : Jun-Ki Min , Kyuseok Shim, Chin-Wan Chung

Country of Registration : U.S.A.

Patent No. : US 7,260,572 B2

Date of Patent : Aug. 21, 2007

[6] Name of Invension : Indexing System and Method for Nearest Neighbor Searches in High Dimensional Data Spaces

Inventors : Guang-Ho Cha , Chin-Wan Chung, Dragutin Petkovic, Xiaoming Zhu

Country of Registration : U.S.A.

Patent No. : US 7,318,053

Date of Patent : January 8, 2008

[7] Name of Invension : METHOD OF PERFORMING QUERIABLE XML COMPRESSION USING REVERSE ARITHMETIC ENCODING AND

TYPE INFERENCE ENGINE

Inventors : Jun-Ki Min , Myung-Jae Park, Chin-Wan Chung

Country of Registration : U.S.A.

Patent No. : US 7,539,692 B2

Date of Patent : May 26, 2009

[8] Name of Invension : Indexing System and Method for Nearest Neighbor Searches in High Dimensional Data Spaces

Inventors : Guang-Ho Cha , Chin-Wan Chung, Dragutin Petkovic, Xiaoming Zhu

Country of Registration : U.S.A.

Patent No. : US 7,761,472 B2

Date of Patent : July 20, 2010

[9] Name of Invension : Indexing System and Method for Nearest Neighbor Searches in High Dimensional Data Spaces

Inventors : Guang-Ho Cha , Chin-Wan Chung, Dragutin Petkovic, Xiaoming Zhu

Country of Registration : U.S.A.

Patent No. : US 7,917,504 B2

Date of Patent : March 29, 2011

[10] Name of Invension : SEMANTIC SEARCH SYSTEM USING SEMANTIC RANKING SCHEME

Inventors : Ji-Hyun Lee, Chin-Wan Chung

Country of Application : U.S.A.

Patent No. : US 8,402,018 B2

Date of Patent : March 19, 2013

[11] Name of Invension : METHOD FOR UPDATING BETWEENESS CENTRALITY OF GRAPH

Inventors : Min-joong Lee, Jung-min Lee, Jamie Y. Park, Ryan H. Choi, Chin-Wan Chung

Country of Application : U.S.A.

Patent No. : US 9075734 B2

Date of Patent : July 7, 2015