• 한국정보시스템학회지:정보시스템연구
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• 제19권4호
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• pp.167-181
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• 2010

Although This study was designed to evaluate internet communities based on knowledge creation and learning. To do so, we created and tested our research model, by using selected 20 different knowledge communities. Using the K-Means Clustering techniques, we found different characteristics and evaluated these characteristics by the criterion. The results of discriminant analysis suggested 4 different models such as 'Search Engine,' 'Open Communities,' 'Specialty Communities,' and 'Activity Communities.' The results of this study indicated that it can cover some reasons for development process of knowledge communities and that it can also create a strategic framework for practical use of knowledge communities.

• International Journal of Fuzzy Logic and Intelligent Systems
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• 제8권2호
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• pp.140-145
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• 2008

In this paper, we constructed the advanced cargo monitoring system for liquid cargo tankers which embedded the Decision Support System (DSS) based on the International Ship Management Code (ISM Code). To make this system, we first organized a base of expert's knowledge concerning liquid tanker operations that largely affect ocean accidents. We can find out the knowledge via inference method which simply imitates the fuzzy inference method. Based on this expert's knowledge, we constructed the DSS that provides a code of conduct for operating cargo tanks safely. The proposed monitoring system could eliminate human error when confronting dangerous situations, so the system will help sailors to operate cargo tanks safely.

• ETRI Journal
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• 제41권4호
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• pp.515-527
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• 2019

This paper discusses the design, implementation, and potential use of an ontology-based mobile pediatric consultation and monitoring system, which is a smart healthcare expert system for pediatric patients. The proposed system provides remote consultation and monitoring of pediatric patients during their illness at places distant from medical service areas. The system not only shares instant medical data with a pediatrician but also examines the data as a smart medical assistant to detect any emergency situation. In addition, it uses an inference engine to infer instant suggestions for performing certain initial medical treatment steps when necessary. The applied methodologies and main technical contributions have three aspects: (a) pediatric consultation and monitoring ontology, (b) semantic Web rule knowledge base, and (c) inference engine. Two case studies with real pediatric patients are provided and discussed. The reported results of the applied case studies are promising, and they demonstrate the applicability, effectiveness, and efficiency of the proposed approach.

• 지능정보연구
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• 제14권2호
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• pp.179-192
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• 2008

본 논문은 금융기관을 이용한 자금세탁 및 불법적인 외화유출 방지를 목적으로 자금세탁 관련 혐의거래보고 등 금융정보를 수집하여 심사하는 금융정보분석원에 지식기반시스템을 도입한 사례연구이다. 한정된 심사인력으로 기하급수적으로 증가하는 협의거래보고에 효과적으로 대응하기 위하여 지식기반시스템의 도입은 필수적이라고 할 수 있다. 이렇게 구축된 지식기반시스템은 보고된 혐의거래를 여과(filtering)하여 자금세탁혐의가 인정된 정보만을 수사기관에 제공하는 심사 및 분석 업무의 효과성과 효율성을 극대화시킨다. 특히, 금융정보분석원은 여러 금융기관들로부터 보고된 혐의거래정보와 심사분석과정에서 유관기관으로부터 수집된 여러 종류의 정보가 집중되기 때문에 축적된 정보를 체계적으로 관리 및 활용할 수 있는 지식 베이스의 구축이 더욱 필요하다. 금융정보분석원은 많은 정보가 집중되는 만큼 축적된 데이터를 활용하여 자금세탁 관련 지식을 창출하는 업무를 수행해야만 하는 의무도 가지고 있기 때문이다. 이를 위하여 금융정보분석원의 심사분석시스템이 자금세탁방지를 위한 지식의 창출과 지식의 관리 측면까지 고려된 전체적인 프레임워크 하에서 지식기반시스템으로써의 토대를 마련하였다는 점에서 의의가 크다고 할 수 있다.

• 한국정밀공학회:학술대회논문집
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• 한국정밀공학회 2001년도 추계학술대회 논문집
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• pp.281-285
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• 2001

The design of injection molded polymeric parts has been done empirically, since it requires profound knowledge about the moldability and causal effects on the properties of the part, which are not available to designers through current CAD systems. An interactive computer-based design system is developed in order to realize the concept of rational design for the productivity and quality of mold making. The knowledge-based CAD system is constructed by adding the knowledge-base module for mold feature synthesis and appropriate CAE programs for mold design analysis in order to provide designers, at the initial design stage, with comprehensive process knowledge for feature synthesis performance analysis and feature-based geometric modeling. A knowledge-based CAD system is a new tool which enables the concurrent design with integrated and balanced design decisions at the initial design stage of injection molding.

• 농촌계획
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• 제16권4호
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• pp.139-145
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• 2010

Agricultural information was discussed for suggesting tasks and solutions of knowledge based information system. States of agricultural information systems in rural development administration were described and problems and tasks were summarized in knowledge needs survey of farmers who have to decide many alternatives for farming. Hard to access information are soil state, disease and insect pest. Important information in agriculture are water, soil fertility, soil physical property, and accessibility from main road. In conclusion, knowledge based agricultural information system can be developed based on surveyed needs.

• 품질경영학회지
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• 제18권2호
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• pp.18-24
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• 1990

The location of inspection stations is a significant component of production systems. In this paper, a prototype expert system is designed for deciding the optimal location of inspection stations. The production system is defined as a single channel of n serial operation stations. The potential inspection station can be located after any of the operation stations. Nonconforming units are generated from a compound binomial distribution with known parameters at any given operation station. Traditionally Dynamic programming, Zero-one integer programming, or Non-linear programming techniques are used to solve this problem. However a problem with these techniques is that the computation time becomes prohibitively large when t be number of potential inspection stations are fifteen or more. An expert system has the potential to solve this problem using a rule-based system to determine the near optimal location of inspection stations. This prototype expert system is divided into a static database, a dynamic database and a knowledge base. Based on defined production systems, the sophisticated rules are generated by the simulator as a part of the knowledge base. A generate-and-test inference mechanism is utilized to search the solution space by applying appropriate symbolic and quantitative rules based on input data. The goal of the system is to determine the location of inspection stations while minimizing total cost.

• 한국융합학회논문지
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• 제6권4호
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• pp.65-71
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• 2015

기업에서의 비즈니스 전략 및 정보시스템의 역할은 다양하게 나타나고 있는 정보기술 환경으로 인하여 다양한 변화 및 융합을 시도하고 있다. 특히 빅 데이터의 등장과 더불어 지식기반 분석은 비즈니스 정보시스템 구축을 위한 전략적인 계획분야에서도 중요한 의미를 지니게 되었다. 다수의 연구들과 실제적인 응용을 통해서 정보시스템 전략 프로세스에 영향을 주는 조직적, 기술적, 환경적 요인들이 구체적으로 소개되고 있다. 이러한 정보시스템 계획에 영향을 주는 요인들을 입력, 프로세스, 출력의 절차적인 계획 프로세스에 포함시키고 있다. 본 연구는 정보시스템 계획을 수립하는 데 있어서 요인들과 정보, 프로세스 사이에 존재하는 의사소통 구조 요소를 발견하고 그 융합에 대해 연구한다. 비즈니스 정보시스템 프로세스 융합을 통하여 전략 목표를 평가하기 위한 프로세스를 분석한다.

• 한국경영과학회:학술대회논문집
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• 대한산업공학회/한국경영과학회 2000년도 춘계공동학술대회 논문집
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• pp.290-293
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• 2000

Knowledge discovery refers to the overall process of discovering useful knowledge from data. The linear programming model is a special form of useful knowledge that is embedded in a database. Since formulating models from scratch requires knowledge-intensive efforts, knowledge-based formulation support systems have been proposed in the DSS area. However, they rely on the strict assumption that sufficient domain knowledge should already be captured as a specific knowledge representation form. Hence, the purpose of this paper is to propose a methodology that finds useful knowledge on building linear programming models from a database. The methodology consists of two parts. The first part is to find s first-cut model based on a data dictionary. To do so, we applied the GPS algorithm. The second part is to discover a second-cut model by applying neural network technique. An illustrative example is described to show the feasibility of the proposed methodology.

• 한국전산구조공학회:학술대회논문집
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• 한국전산구조공학회 1992년도 봄 학술발표회 논문집
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• pp.79-84
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• 1992

An integrated design system has as its aim the incoporation of all the design processes, such as, planning, preliminary design, analysis, detailed design (mamber design), evaluation, and drafting into an unified software system. Successful implementation such a system could lead to major improvements in efficiency by eliminating duplication of data and efforts. reducing errors, saving design time, providing management support, and so on. This study presents a methodology for an computer-integrated design system for building structures, synthesizing algorithmic procedures and knowledge based expert systems on the network database. Network database, which was designed to store all information systematically during the design processes, provides centeral communication area between algorithms and expert systems. The conventional procedural codes automate the routine design phases such as structural analysis, whereas knowledge-based expert systems support designer's decisions at the creative design phases such as preliminary design etc. The user interface with interactive and batch modes controls the design phases and manages design information and activates the algorithms and the expert systems. The concept presented in this paper will contribute to the formulation of automated design systems for building structures.