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감시제어 시스템의 신뢰성 향상을 위한 서버 및 네트워크 이중화
류길수(Keel-Soo Rhyu),윤병수(Byung-Soo Youn),임대근(Dae-Kwen Lim) 한국마린엔지니어링학회 2004 한국마린엔지니어링학회 학술대회 논문집 Vol.2004 No.-
Recently, together with development of communications technology, monitoring and control systems have been used in many fields. When monitoring and control systems are developed, one of important things is considered about a redundancy whenever hardware faults are occurred partly.<br/> In this paper, we introduce a monitoring and control system with a redundancy function for servers and networks. The system, therefore, has an active server and standby server. In fields. all field units have to be constructed 2 communication ports connected each server through communication lines. Also. each server's communication program is implemented by analyzing and handling fault elements, and is modularized for linking easily with a monitoring and control module. An experiment with 2 servers and 2 field units is constructed to demonstrate its effectiveness.<br/>
연관규칙 마이닝을 이용한 전문가 검색 에이전트 시스템에 관한 연구
성창규(Chang-Gyu Seong),류길수(Keel-Soo Rhyu),윤병수(Byung-Soo Youn),박종일(Jong-Il Park) 한국마린엔지니어링학회 2004 한국마린엔지니어링학회 학술대회 논문집 Vol.2004 No.-
Recently various of information suppliers provide information via web so the necessary of search engine grows larger. however the efficiency of almost search engines is low comparatively because of using simple pattern match technical between user's query and web document, especially that manifest about query using in special expert field so much worse.<br/> Efficient search engine provides the specialized information depend on each user's search goal. such the diversification of specialized search engine is being trended in foreign include America. but the level(amount) of information provided by most specialized search engine are much little than user's needs. <br/> In this paper, an efficient web search engine has been designed by use data minining techniques.<br/> <br/>