정용남

Integrated portal service system and method, and user terminal device therefor

김진호, 김용석, 김광진, 2005 .

Apparatus for processing multi-threading framework supporting dynamic load-balancing and multi-thread processing method using by it

류성원, 양광호, 박창준, 2007 .

Portal service providing system using location based grouping service and method therefor

김용석, 이기석, 류성원, 2006 .