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류근호(Ryu Keun Ho),신정훈(Shin Jeong Hoon),오명륜(Oh Myeon Ryoon),오광진(Oh Kwang Jin),이양원(Rhee Yang Weon),김영훈(Kim Young Hoon) 한국정보처리학회 1997 정보처리학회논문지 Vol.4 No.12
Expert system is one of AI area which was came out at the end of 1970s. It simulates the human's way of thinking to give solution of problem in many applications. Most expert system consists of many components such as inference engine, knowledge base, and so on. Especially the performance of expert system depends on the control of enfficiency of inference engine. Inference engine has to get features;tirst, if possible to minimize restrictions when the knowledge base is constructed second, it has to serve various kinds of inferencing methods. In this paper, we design and implement the inference engine which is able to support the general functions to knowledge domain and inferencing method. For the purpose, forward chaining. backward chaining, and direct chaining was employed as an inferencing method in order to be able to be used by user request selectively. Also we not only selected production system which makes one ease staradization and modulation to obtain knowledges in target domain, but also constructed knowledge base by means of Extended Clause Bit Metrics(ECBM). Finally, the performance evaluation of inference engine between Rete pattern matching and ECBM has been done.
이양원,이연식,배석찬 群山大學校自然科學硏究所 1990 自然科學硏究 Vol.5 No.-
In this paper, we proposed that the concurrency control in the conceptual transaction was possible to interrupt the incoordinate meaning that occurred in DataBase design using two phase locking protocol.
정적, 배경 및 동적 모자이크 영상 구축과 재분배에 관한 구현
이양원,강오형,양원보 群山大學校 情報通信技術硏究所 1999 情報通信技術硏究論文集 Vol.3 No.-
Image mosaic is called that creation a new image which to composition search for overload region from several image. In this paper, we represent construction image mosaic not depend on direct method but tree-based method. We represent static and dynamic image mosaic construction method that extract to from background and dynamic object in image. When image mosaic is constructed, we could constructed that only background mosaic eliminated from dynamic object. We understood synopsis mosaic that is constructed by overlaying the trajectories of the moving objects on top of the background mosaic. In this paper, also we represent that redistribution method from image mosaic.
JIT시스템 하에서 구매-공급자의 관계 유형과 성과에 관한 연구
이양원,안천의 群山大學校 1997 論文集 Vol.25 No.-
Recently in production part of manufacturers, there are high interested about JIT system. And its importance is recognized momentously and its adaptable range is very rapidly extended. Market circumstances are changing as manufacturing environment is from vendor leading to vendee leading. Under the JIT system, purchasing Activity is very importance. And the most important factor is the buyer supplier relationship. This study concerns the buyer-supplier relationship and performance in JIT system.
신성윤,이양원 群山大學校 情報通信技術硏究所 1998 情報通信技術硏究論文集 Vol.2 No.-
Video analysis is essential for construction of multimedia database. Many video programs have story structures that can be recognized through the clustering of video contents based on low-level visual primitives and the analysis of high-level structures imposed by temporal arrangement of composing elements. In this paper we proposes the efficient key frame extraction method composed of color histogram and χ² histogram. And we proposes techniques to cluster video shots of similar visual contents by scene transition graph representation.