Information Retrieval, Text Mining, and Natural Language Processing
- Post Doc. Researcher
Language Technologies Institute in CMU, 2006.01 - present
GALE(Global Autonomous Language Exploitation) program is to improve timeliness and quality of information
available to the warfighters and those that support them via a single, comprehensive system that supports
transcription, translation and distillation of multiple languages in text and audio formats.
I am working on distillation part now.
- Senior Researcher
Samsung Advanced Institute of Technology, S. Korea, 2004.02 - 2005.12
Develop a spoken command analysis model for Smart Home system.
Design a model that searches and
clusters media files in a MP3 player.
- Search Engine
Condor Search Engine - LTI CMU, 2001
Develop an object manager and a cache manager.
Evaluate and designed a ranking algorithm.
Optimize an English stemmer and a Korean stemmer
- URL Search System
Jumbyul and Arrow Search - HOWNY©, S. Korea, 1999 - 2001
Develop a plug-in and a server application that translates a user-typed
Korean domain name into an original URL and searches relevant domain names
- Machine Translation System
English-to-Korean MT for Korean Air Force Military Intelligence, 1997 - 1999
Design and program a prepositional phrase attachment model, an acronym
extraction module, and a parenthetical expression processing module.
Program a user interface of the machine translation system
- Korean Part-of-Speech Tagger
Take part in Morphological Analysis and Tagger Evaluation Contest (MATEC), 1999
Ph.D. Computer Science, Korea Advanced Institute of Science and Technology, Daejon, S. Korea, 2004
M.S. Computer Science, Korea Advanced Institute of Science and Technology, Daejon, S. Korea, 1999
B.S. Computer Engineering, Kyungpook National University, Daegu, S. Korea, 1997