Dong Hahk Lee | Researchain

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Featured researches published by Dong Hahk Lee.

Archive | 2004

METHOD AND SYSTEM FOR REPORTING CHANNEL STATE INFORMATION BASED ON CHANNEL QUALITY IN PORTABLE INTERNET SYSTEM

Kang Il Koh; Si Hoon Ryu; Won Suk Chung; Myong Rae Chang; Dong Hahk Lee; Joo Sik Lee; Dongwoo Kim; Myung Sung Lee

Archive | 2013

Method for processing natural language and mathematical formula and apparatus therefor

Yong Gil Park; Keun Tae Park; Dong Hahk Lee; Hyeongin Choi; Nam Sook Wee; Doo Seok Lee; Jung Kyo Sohn; Haeng Moon Kim

Archive | 2013

METHOD FOR EXTRACTING SEMANTIC DISTANCE FROM MATHEMATICAL SENTENCES AND CLASSIFYING MATHEMATICAL SENTENCES BY SEMANTIC DISTANCE, DEVICE THEREFOR, AND COMPUTER READABLE RECORDING MEDIUM

Keun Tae Park; Yong Gil Park; Hyeongin Choi; Nam Sook Wee; Doo Seok Lee; Jung Kyo Sohn; Haeng Moon Kim; Dong Hahk Lee

Archive | 2011

Apparatus and method for diagnosing learning ability

Keun Tae Park; Nam Sook Wee; Doo Seok Lee; Jung Kyo Sohn; Haeng Moon Kim; Yong Gil Park; Seung Lock Choe; Dong Hahk Lee; Jong Heon Lee; Myung Sung Lee

Archive | 2011

Natural language and mathematical formula processing method and device therefor

Yong Gil Park; 박용길; Keun Tae Park; 박근태; Dong Hahk Lee; 이동학; Hyeong-in Choi; 최형인; Nam Sook Wee; 위남숙; Doo Seok Lee; 이두석; Jung Kyo Sohn; 손정교; Haeng Moon Kim; 김행문

Archive | 2011

METHOD AND DEVICE FOR INPUTTING EQUATION

Seung Lock Choe; Nam Sook Wee; Doo Seok Lee; Jung Kyo Sohn; Haeng Moon Kim; Yong Gil Park; Keun Tae Park; Dong Hahk Lee

Archive | 2013

MATHEMATICS EDUCATION SERVICE SYSTEM, SERVICE METHOD THEREOF, APPARATUS FOR ANALYZING AND GENERATING MATHEMATICAL PROBLEMS, AND METHOD THEREOF

Keun Tae Park; Nam Sook Wee; Doo Seok Lee; Jung Kyo Sohn; Haeng Moon Kim; Yong Gil Park; Dong Hahk Lee

Archive | 2012

Method and device for providing learning education service

Keun Tae Park; 박근태; Nam Sook Wee; 위남숙; Doo Seok Lee; 이두석; Jung Kyo Sohn; 손정교; Haeng Moon Kim; 김행문; Yong Gil Park; 박용길; Dong Hahk Lee; 이동학

Archive | 2011

Method and device for inputting an equation<0}

Seung Lock Choe; 최승락; Nam Sook Wee; 위남숙; Doo Seok Lee; 이두석; Jung Kyo Sohn; 손정교; Haeng Moon Kim; 김행문; Seong Sik John; 전성식; Yong Gil Park; 박용길; Keun Tae Park; 박근태; Dong Hahk Lee; 이동학

Archive | 2011

학습능력 진단 장치 및 방법

Keun Tae Park; 박근태; Nam Sook Wee; 위남숙; Doo Seok Lee; 이두석; Jung Kyo Sohn; 손정교; Haeng Moon Kim; 김행문; Seong Woo Hwang; 황성우; Yong Gil Park; 박용길; Seung Lock Choe; 최승락; Dong Hahk Lee; 이동학; Jong Heon Lee; 이종헌; Myung Sung Lee; 이명성

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