• Journal of Korean Society for Quality Management
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• v.26 no.4
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• pp.189-201
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• 1998

Quality of radiological services can be assessed by various agents, so called medical doctors, radiologists, patients and others. However radiological services are provided by radiologists to patients and medical doctors. This study was based on data which were collected from assessment of 142 radiologists working in the health care services organization and 149 patients who visited the same organization about radiological services, with self-administered structured questionnaire. This study was planned to analyze of radiological services factors and to develop a methodology for measuring the level of quality in the radiological health care services.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 1995.10a
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• pp.864-867
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• 1995

Presented in the paper is a structured approach to modeling automated manufacturing system (AMS) in the form of an event graph. The proposed two-phase procedure for formal modeling is 1) reference modeling by schematic supervisory control modeling and 2) event graph transformation from supervisory control model. Also described is a formal model for a small-sized FMS in the form of an event graph.

• Korean Journal of Soil Science and Fertilizer
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• v.25 no.4
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• pp.311-324
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• 1992

Polymeric substances in organic matter of soils aggregate soil particles into a crumb structure which greatly influences such properties as water movement, aeration and heat transfer. Poorly-structured soils may be improved by the incorporation of synthetic polymers where the main objects are : promoting germination or establishing crops, improving drainage, combating wind and water erosion, and reducing evaporation from the surface of soil under arid condition.

• Proceedings of the Korean Vacuum Society Conference
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• 2001.02a
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• pp.51-51
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• 2001

• Korean Management Science Review
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• v.17 no.1
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• pp.17-30
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• 2000

This paper addresses the effect of protective capacity on the lead time and throughput of a re-entrant line where statistical fluctuations exist in the form of variation in processing times and machine breakdowns. The specific framework employed in the paper is a five station re-entrant line structured as a closed network mode. This paper argues that protective capacity can be used in conjunction with WIP inventory in order to reduce the lead time and to increase the increase the throughput of a line. Simulation analyses are included to give insight into the effectiveness of protective capacity.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 1992.04b
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• pp.41-50
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• 1992

본 논문에서는 공장의 모든 생산 환경을 컴퓨터를 이용, 자동화하는 컴퓨터 통합 생산(CIM)의 작업장 통제 시스템을 비롯한 중앙 통제 제어시스템, 자동창고시스템, 자동 운반기 시스템 등을 위한 데이타베이스 처리기의 프로토타입을 설계 및 구현하였다. 이를 위해 FA전용 데이타베이스 처리기(database processor)의 요구 기능을 명세하고, 처리기의 기본 구조 및 실시간 지원기법들을 제시했으며 단순 구조 질의어로써 SSQL(Simple Structured Query Language)을 개발하였다.

• Communications of the Korean Mathematical Society
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• v.17 no.1
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• pp.175-187
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• 2002

The existence and uniqueness of steady states for the age structured S-I-R epidemic model is considered. Intercohort form with external force is considered for the force of infection. Existence is obtained for nonvanishing external force of infection. Uniqueness is shown for the case where there is no vertical transmission of the disease.

• Proceedings of the Korea Multimedia Society Conference
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• 2003.11a
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• pp.269-272
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• 2003

음성인식의 연구 대상은 낭독음성에서 대화음성으로 발전해가고 있다. 이를 위해서는 대량의 대화코퍼스가 필요하다. 그러나 아직 충분한 양의 대화코퍼스가 구축되어 있지 못하며 코퍼스의 주석 정보 또한 복잡하고 다양하게 표현하고 있어 효율적인 활용이 어렵다. 따라서 본 논문에서는 대화 영역으로 텔래뱅킹 영역을 설정하고 대화코퍼스를 구축하여 구축된 대화코퍼스의 주석 정보를 XML(Extensible Markup Language)로 표준화할 수 있도록 DTD(Document Type Definition)를 정의하여 문서 구조화하였다.

• Journal of the Korean Society for information Management
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• v.12 no.2
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• pp.171-192
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• 1995

In this study, we constructed a hypertext-based bibliographic information retrieval system, which is very usell tool to browse and retrieve structured data. We minimized the problem of the use; s disorientation with the keyword retrieval technique. We also presented the potential advantages of this system which could be obtained by implementing it on WWW.

• Proceedings of the Korea Contents Association Conference
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• 2015.05a
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• pp.325-326
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• 2015

연관규칙 탐사는 대표적인 데이터 마이닝 기법 중의 하나로, 트랜잭션 데이터에 포함된 항목들 간의 인과 관계를 의미하는 연관규칙의 추출을 목적으로 한다. 연관 규칙 탐사의 주된 문제 중 하나는 추출된 연관규칙의 수가 많을 경우, 이들을 적절히 해석하고 활용하는 것이 어렵다는 점이다. 이러한 문제를 해결하기 위해 본 논문은 구조화된 연관맵이라는 새로운 시각화 방법을 제안하고자 한다.