• Communications for Statistical Applications and Methods
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• 제17권4호
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• pp.591-598
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• 2010

설문문항에는 유사한 문항이나 중복문항이 있는 경우들이 있다. 본 연구에서는 전체 문항의 응답패턴을 군집분석하여 군집의 성격을 파악하고, 유사한 문항을 묶어 대표 문항을 찾는 방법을 시도하였다. 문항의 유사정 측정은 상호정보를 이용하였고 군집분석과 다차원척도법을 이용하여 대표 문항을 찾는 방법을 제안 하였으며 엔트로피를 이용하여 대표 문항을 평가하였다.

• 농촌계획
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• 제11권4호
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• pp.9-15
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• 2005

Rural amenity resources are damaged without organized management infra. National rural resources institute perform the project of developing rural amenity infra techniques from 2005 to 2009 targeting 1,230 eup-myun rural community. There are many resource surveying project in national level. For avoiding duplicated investment, clear definition of rural amenity and essential surveying items are needed. In this study, concept of rural amenity and relation with resource are considered and 10 rural amenity resource tables and items considering management, accessibility, and amenity period are developed. Finally, developed tables and items are compared with items in previous developed surveying system.

• 품질경영학회지
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• 제41권3호
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• pp.413-421
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• 2013

Purpose: System availability and life cycle cost are often used to evaluate the system performance and is influenced by the operation and maintenance characteristic. In this paper, we propose the method to improve life cycle cost and satisfy the target availability through redundancy allocation. Methods: We consider the redundancy is available at all items in multi level system. Thus, we assume that sub-assembly, module, components can be duplicated. Simulation and genetic algorithm are employed to optimize redundancy allocation. Results: Target availability is higher, the life cycle cost is increased. In addition, the items for redundancy are selected at higher level in multi level system if target availability is higher. Conclusion: We could know that target availability affects the duplication number of items and the selection of redundancy items. For further study, we will consider new optimization algorithms to compare with the proposed GA algorithm and improve optimization performance.

• 복식
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• 제55권4호
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• pp.38-48
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• 2005

This study is consider·ed about the relation or costume among Parhae, ancient Japan and Tang and the culture of this time commonly was influenced by Tang;s culture. The recorded items, which were exchanged from Parhae to Tang and ancient Japan, are the pelt of marten, seal, bear and tiger skin or Ammowhaha(암모화) Gu(구) and so on. Other items from Tang and ancient Japan to Parhae are various clothes and material like silk and so on. This Parhae's clothes made with leather obtained through hunting were the main product of Parhae and had been greatly famous in Tang and ancient Japan. At that time, Tang and ancient Japan had been only dependent on the agricultural life but had not been accustomed to the hunting life, and thereupon, the people in Tang and Nara Era had difficulties to get leather clothes. Accordingly, the leather products stood for the rich, and the people who purchased the leather products from Parhae were recognized as the rich. On the other hand, The prince and the royal family in Parhae were dispatched to Tang as Sooktwui(숙위). They paid a tribute to Tang and In return for it, Tang gave to Sookwui as well as to Parhae's envoys various items and clothes such as Po(포), belt(대), gold and silver Eodae(어대) and textile like a type of silk. These clothes were considered as the formal uniform like Kwanbok(관복) of Parhae. Specially, the time when Sookwui was sent to Tang rot-responded with the time when Tang gave formal uniform to Parhae's envoys. Therefore, we can confirm that the sending of Sookwui influenced to form uniform system of Parhae. In this exchange relation, there were several duplicated items showed, for example Po(포)-belt(대), Eui set(의일습), Eoeui(어의), Jobok(조복), Go(고). These items in Parhae were appeared in process of exchanging from Tang to Japan and from Tang to Parhae. At that time, the exchanges between Tang and Parhae were frequently active much more than those between Tang and Japan, and the acceptance of the culture from Tang was easier in Parhae than Japan in consideration of the geographical location. Therefore, those clothes could be understood as the items already used in Parhae and affected from Tang. These items in Parhae were appeared in process of exchanging from Tang to Japan and from Japan to Parhae. As a result, it is expected that the costumes, which Parhae took from Japan, are the same as those of Tang.

• 대한물리의학회지
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• 제19권1호
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• pp.143-154
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• 2024

PURPOSE: The present study was conducted to improve the understanding of the Korean Standard Functional, Disability, and Health Classification (KCF) and its ease of use in the clinical domain of the musculoskeletal system by comparing, analyzing, and linking the KCF codes with items from patient-reported outcome measures (PROMs), which are currently mainly used to evaluate patients with neck, shoulder, waist, and knee pain. METHODS: The items of the most widely used PROMs, the Neck Disability Index (NDI), Disabilities of the Arm, Shoulder, and Hand (DASH) scores, Oswestry Disability Index (ODI), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and the codes of the KCF were linked by two experts according to the linking rules. RESULTS: The concordance between the items of each of the PROMs and the KCF code linked by the two experts was NDI,86.4%86.4%, DASH 83.3%, ODI 92.0%, and WOMAC 80.7%. The NDI, DASH, and WOMAC indexes were found to comprise items corresponding to physical function, activity, and participation areas, and were linked to 22, 43, and 31 KCF codes, respectively. In addition to these two areas, the ODI included items related to environmental factors and was linked to 25 codes (duplicated codes are treated as one). CONCLUSION: This research can be used by adding the KCF code to the questions of the currently used evaluation tool. This coding can be easily applied and will contribute to the easy understanding of the KCF.

• 한국주거학회논문집
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• 제27권4호
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• pp.13-22
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• 2016

The long term plan for apartment housing has a important role to make a decision making whether a repair work should be done or not. But, items for repair works are so various that field workers could not understand the context or plan the repair cost and time. These difficulties are drawn from the number of repair items, duplicated application and meaning, new material application and technology time-gap. Therefore, it needs to change or coordinate the repair items to improve the repair condition, reflecting the current material level or repair technologies. In this paper, it aimed at coordination of the repair items through the repair recording sheet which was surveyed in 22 metropolitan areas of Seoul, conducted between 2011 and 2014. The surveyed data are classified into six categories such as building exterior, building interior and so on, according to long term repair plan and the number of data are 1,918. It analyzed the appearing word for repair-concerned and compared the existing items of the long term plan. Items of building exterior are proposed as roof, exterior wall and painting. Building interior has a little meaning to propose the repair items. The water supply facilities are proper to keep the existing repair items. Items of the outdoor facilities could not need a sign board, drainage root and PVC sheath. Through this study, we can coordinate the repair items in apartment and provide the repair item and cost level.

• Asian Pacific Journal of Cancer Prevention
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• 제15권15호
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• pp.5999-6003
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• 2014

Pesticides used in Korea are grouped by four classes of hazard (extremely, highly, moderately and slightly hazardous) based on acute oral and dermal toxicity in the rat. However, there is little information of carcinogenic effects. The aim of this study was to evaluate potential carcinogenicity for active ingredients of pesticides used in Korea. A total of 1,283 pesticide items were registered under the Pesticide Control Act of which 987 were commercially available. Of these 987 items, 360 active ingredients not duplicated were evaluated for carcinogenicity using the carcinogen list established by the US Environmental Protection Agency (EPA). Some 25 out of 360 ingredients were classified as likely to be carcinogenic (probable) to humans and 52 had suggestive evidence of carcinogenic potential (suspected) based on the US EPA classification. Some 31% of 987 items contained probable or suspected human carcinogenic ingredients. Carcinogenic pesticides accounted for 24% (5,856/24,795 tons) of the total volume of consumption in Korea. Interestingly, pesticides with lower acute toxicity were found to have higher carcinogenic potential. Based on these findings, the study suggests that it is important to provide information on long-term toxicity to farmers, in addition to acute toxicity data.

• 산업경영시스템학회지
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• 제34권2호
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• pp.92-102
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• 2011

Visibility of the flow of goods is an important service element when considering how to improve the quality of a logistics service. Registered mail service of Korea Post, one of logistics service providers, currently supply information on the handling of postal items, such as receipts and delivery and arrival times to customers. However, internally problems related to excessive spending on operating expenses and less reliable tracking and tracing information exist due to errors in the information acquisition and link handling processes, leading to unnecessarily duplicated tasks. Therefore, the purpose of this paper is to propose process optimization method for improving the quality of tracking and tracing information for registered mail items. We analyzed the process and information control system of the current registered mail service and identified the basic causes of the existence of less reliable tracking and tracing information. And we present optimized mail handling and information management process for removing internal problems. Test results using tracking and tracing information examples show a significant performance of the proposed method.

• 한국컴퓨터정보학회논문지
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• 제15권12호
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• pp.227-235
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• 2010

이 논문은 RFM 기법과 연관성 분석을 이용한 개인화된 전자상거래 추천 시스템을 제안한다. 제안된 전자상거래 추천시스템은 사용자의 평가 자료에 의존하지 않고 묵시적인(Implicity)방법을 이용하여 고객정보와 구매이력 정보를 기반으로 RFM(Recency, Frequency, Monetary) 기법을 이용한 고객 세분화와 교차판매(cross-sell)관계를 찾는 연관성 분석을 이용한 개선된 시스템이다. 또한 고객군별 구매특성 분석을 통하여 효율적인 마케팅 전략과 고객관계관리(CRM: Customer Relationship Management)방법을 제시한다. 현업에서 사용하는 데이터 셋을 구성하여 실험 및 평가를 통해서 효용성을 입증 및 평가하여 일대일 웹 마케팅을 실현하였다.

• 한국컴퓨터정보학회논문지
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• 제13권2호
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• pp.41-50
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• 2008

모바일 환경하에의 RFM 기법을 이용한 개인화 된 추천 시스템을 제안한다. 사용자의 평가 자료에 의존하지 않고 사용자에게 번거로운 질의 응답 과정이 없이 묵시적인(Implicity) 방법을 이용하여 고객정보와 구매이력정보를 기반으로 RFM 기법을 이용하여 고객 세분화와 아이템 세분화 통해서 대상 사용자에게 구매 가능성이 높은 아이템을 추천한다. 또한 기존의 추천시스템의 문제점의 해결 방안으로 신규 고객이나 신규 아이템 추천을 고려하여 적용한다. 추천 아이템과 사용자가 구매한 아이템 이력 데이터를 비교하여 추천된 아이템이 중복 추천을 제거하였고 현업에서 사용하는 데이터 셋을 구성하여 실험을 통해서 효용성과 타당성을 입증 및 평가하여 개인화된 일대일 웹 마케팅을 실현하였다.