• 제목/요약/키워드: Choi criteria

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다기준 의사결정기법을 활용한 신규통신 서비스의 총체적 사업성 분석 (An MCDM-Based Integrated Economic Analysis Model for the New Telecommunication Services)

  • 장행곤;최상현;최용선;김성희
    • 산업공학
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    • 제5권2호
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    • pp.3-17
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    • 1992
  • In this study, an integrated economic analysis model to analyze the new telecommunication services is developed. This model considers both the technological and managerial aspests altogether with respect to the profit and public benefit criteria. To encounter the various dynamically changing environments and evaluation criteria, multiple criteria decision making (MCDM)techniques are employed. The model consists of three stages; The first stage surveys related formal or informal data, generates analysis alternatives, and performs acceptabillty test in view of marketing. The second stage generates executive alternatives for each acceptable analysis alternative and checks the executionability in view of telecommunication technologies. The third stage performs the final integrated economic analysis including the profitability analysis. This study offers a basis for the future development of decision support system or expert system on the economic analysis of the new telecommunication services.

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정신신경용계 의약품의 치료군 중복처방 평가기준(안) 개발 (Development of Criteria for Therapeutic Duplications of Psycho-Nervous System Drugs)

  • 손현순;최윤영;이영숙;최경업;신현택
    • 약학회지
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    • 제55권3호
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    • pp.185-194
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    • 2011
  • Therapeutic duplication (TD) is frequently reported inappropriate drug use in healthcare settings in Korea. This study was aimed to develop TD criteria for psycho-nervous system drugs (KFDA classification 117 and 119). ATC classification was used to determine therapeutic and/or chemical similarities among the 93 ingredients reviewed. Clinical practice guidelines, textbooks and product labels were referenced for principles and evidences of possible drug combination usage. 16 groups that listed ingredients to be considered as TD were established and the criteria would be helpful to prevent TDs.

기능저하 저수지 선정을 위한 다기준 의사결정기법 적용성 연구 (Study on Applicability of Multi-Criteria Decision Making Technique for Malfunctioning Reservoir Selection)

  • 심현철;최경숙
    • 한국농공학회논문집
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    • 제59권3호
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    • pp.11-19
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    • 2017
  • The decision-making process is the act of finding the best solution among various alternatives through comparison between various criteria based on objectives of the project, evaluation standard, and conditions. However, in practice it is not easy to simply decide the optimum decision, especially for selecting malfunctioning reservoirs because no systematic evaluation criteria or standard assessment process are available. Therefore, this study adopted AHP method, which is a MCDM (multi-criteria decision making technique) to identify the malfunctioning reservoirs for efficient management of reservoirs. Important criteria of the selection of malfunctioning reservoirs and priority weights of each criteria were determined based on results of expert's survey under a stepwise hierarchical approach. The most important factor for the decision of malfunctioning reservoirs was obtained as Reservoir efficiency among the selected criteria including Reservoir efficiency decrease, Disaster Risk, Reservoir efficiency, Available water storage, Future water demand, Resident Needs. The AHP technique was applied on 11 reservoirs in Andong region to verify its applicability. Scoring method was applied for the comparison with the results of AHP method.

녹색건축 인증제도 평가항목에 대한 설계 실무자 및 사용자 의식 차이 분석 - 공동주택 인증 평가항목을 중심으로 - (Analyzing the Differential Views between the Designers and the Users on Certification Assessment Criteria of the G-SEED System - Focused on Certification Assessment Criteria for Apartment Buildings -)

  • 최여진
    • KIEAE Journal
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    • 제15권6호
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    • pp.87-92
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    • 2015
  • Purpose: The green building certification system in Korea was introduced in 2002 and developed as an improvement version of the G-SEED(Green Standard for Energy and Environmental Design) system in 2013. This study conducts surveys targeting architectural designers and users on significance of certification assessment criteria for apartment buildings on the G-SEED system and examines the differential views between the two groups on assessment criteria. Method: First, The AHP(Analytic Hierarchy Process) method was used to find importance of assessment criteria and then the importances were compared with weighted points on the certification standard. Second, the t-test was used to investigate differential views between designer and user groups on certification assessment criteria based on drawn importances. Result: (1) While designer group considered land use and transportation, energy and environmental pollution, and water circulation management as more important, user group did material and resource, maintenance management, ecological environment, and indoor environment as more important. (2) Based on t-test results, sustainable energy, water circulation system, site management, habitat, acoustical environment, and light environment were found to be different on importance between the two groups.

정형성 기반 국방 안전/보안필수 소프트웨어 개발 및 인증 기준 - 안전/보안필수 소프트웨어 인증 프로세스에 대한 정형기법 적용 방안 연구 - (Formalism-Based Defense Safety/Security-Critical Software Development & Certification Criteria - Application of Formal Methods to Safety/Security-Critical Software Certification Process Activities -)

  • 김창진;최진영
    • 한국군사과학기술학회지
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    • 제10권1호
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    • pp.55-69
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    • 2007
  • The paper provides the approach to apply formal methods to the development and certification criteria of defense safety/security-critical software. RTCA/DO-178B is recognized as a do facto international standard for airworthiness certification but lack of concrete activities and vagueness of verification/certification criteria have been criticized. In the case of MoD Def Stan 00-55, the guidelines based on formal methods are concrete enough and structured for the defense safety-related software. Also Common Criteria Evaluation Assurance Level includes the strict requirements of formal methods for the certification of high-level security software. By analyzing the problems of DO-178B and comparing it with MoD Def Stan 00-55 and Common Criteria, we identity the important issues In safety and security space. And considering the identified issues, we carry out merging of DO-178B and CC EAL7 on the basis of formal methods. Also the actual case studies for formal methods applications are shown with respect to the verification and reuse of software components.

심병증 진단요건의 표준 설정을 위한 연구 (Study on Establishment of criteria for Heart Disease in Oriental Medicine)

  • 최선미;박경모;정찬길;성현제;안규석
    • 동의생리병리학회지
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    • 제17권4호
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    • pp.845-851
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    • 2003
  • The objective is to establish the standard of criteria for differential diagnosis of signs and symptoms. This study selected signs and symptoms related to heart which stands for Fire(火) as a kind of five phase(五行). Eleven experts was asked to evaluate the adequateness of criteria which was developed by Korea Institute of Oriental Medicine(KIOM) and to suggest the amendment of them. To implement the study, we used the questionnaire which asks about the diagnosis criteria for an insufficiency of the heart-qi(心氣虛證), deficiency of the heart blood(心血氣證), deficiency of the heart-yin(心陰虛證), insufficiency of the heart-yang(心陽虛證), exuberant fire due to hyperactivity of the heart(心火亢盛證), stagnation of the heart blood(心血瘀阻證), heart disturbed by phlegm-fire(痰火擾心證), attack of the heart by retainedfluid(水氣凌心證). Every criteria consists of primary symptoms, secondary symptoms, tongue findings. and pulse findings. In perspectives of the classification of patterns for signs and symptoms and criteria for diagnosis, the result shows that the previous standard doesn't have so many problem. So many of experts were agree with the criteria which was suggested but the trend is that they use, in their actual practice, less than the criteria. Additionally, they pointed that every element in a criterion should have the different weight value, criteria for the overlapped pattern should be added, and, in future, criteria which are based on clinical investigation should be established.

환경영향평가중 삼림생태계 평가기법 개발 (I) : 지리산 산청 양수발전소 건설예정지를 중심으로 (Development of Forests Ecosystem Assessment Technique of Environmental Impact Assessment(I) : In the Case of the Sanchong Pumping-up Power Plant of Mt. Chiri)

  • 최송현;이경재
    • 환경영향평가
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    • 제4권2호
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    • pp.71-91
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    • 1995
  • In order to develop an appropriate set of criteria applicable for environmental impact assessment (EIA) of natural forest 8 items are proposed. The criteria are vegetation distribution area (DA), distribution pattern (DP), size (S), diameter of breast height of tree (DBH), humus (H), sustainment (ST), successional stage (SS) and impact of adjacent ecosystem (IAE), Each criterion has an interval which minimum 1 score to maximum 5 score Forest Evaluation Index (FEI) was obtained as the sum of 8 criteria value. Above 70% is considered to be absolutely conservative and from 50% to 70% range of total score is to be considered conservative. In the case of the Sancho˘ng Pumping-up Power Plant of Mt. Chiri, 8 criteria were applied base on actual vegetation map. Pinus densiflora community got 73%(29 scores) and Quercus variabilis - Q. serrata community got 60%(24 scores). This may be said that this local vegetation has high ecological potentiality. These criteria cannot always be absolutely evaluation tool. So it is expected to take the more time to be developed further, and holistically added by the other field such as fauna, geological feature etc.

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Classification of honeydew and blossom honeys by principal component analysis of physicochemical parameters

  • Choi, Suk-Ho;Nam, Myoung Soo
    • 농업과학연구
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    • 제47권1호
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    • pp.67-81
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    • 2020
  • The physicochemical parameters of honey are used to determine the botanic origin of honey and to specify the composition criteria for honey in regulations and standards. The parameters of honeydew and blossom honeys from Korean beekeepers were determined to investigate whether they complied with the composition criteria for honey in the food code legislated by Korean authority and to establish the parameters which should be subjected to principal component analysis for improved differentiation of honeys. The fructose and glucose contents of the honeydew honey did not comply with the composition criteria. The ash content of the honey was closely correlated with CIE a* and CIE L* The principal component analysis of fructose to glucose ratio, CIE a*, CIE L*, ash content, free acidity, and fructose and glucose contents enabled classification of honeydew, chestnut, multifloral, and acacia honeys. Additional advantage of the principal component analysis (PCA) is that the physicochemical parameters, such as fructose to glucose ratio (F/G) and color, can be determined using the analytical instruments for composition criteria and quality control of honey. This study suggested that composition criteria for honeydew honey should be established in the food code in accordance with international standards. The principal component analysis reported in this study resulted in improved classification of the honeys from Korean beekeepers.