• The Journal of Korean Institute of Communications and Information Sciences
• /
• v.14 no.4
• /
• pp.369-373
• /
• 1989

This paper investigates average access times on eight asynchronous priority levels of FDDI MAC protocol with parameters on offered loads, message sizes, and number of stations. In case of parameter with offered loads, higher priority levels exhibit similar variances and in case of parameter with message sizes and number of satations, higher priority levels exhibit almost invariables but as increase of message sizes, increase only a small amount of access time on the other hand, as number of stations increase, average access times decrease little by little. But in case of lowest priority level. average access times decrease little by little. But in case of lowest priority level, average access times exhibit relatively large variances about above three parameters.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.17 no.12
• /
• pp.532-541
• /
• 2016

The objective of this paper is to support accurate pavement condition assessment and decision of proper maintenance method and time by conducting visual inspection and calculating the remaining life of pavement from falling weight deflectometer(FWD) data. Each was implemented in the same long-term performance pavement(LTPP) sections. Visual inspection was executed to measure pavement condition indices such as crack, rutting and international roughness index(IRI) and the Seoul Pavement Index(SPI) was calculated based on these results. The dynamic modulus was back-calculated from the FWD data. The remaining pavement lives were determined from equivalent single axle loading(ESAL) and FWD data. Correlation of maintenance priority by each result value was examined. Consequently, the correlation between remaining life to Crack and Rutting was higher than the other factors or indicesbecause IRI is not related to FWD value and SPI value consists with IRI value and other indices. The R-square value of correlation of FWD with Crack and Rutting was 0.65, which indicated an insufficient correlation. Consequently, when decision of maintenance of method, time, etc. is determined, FWD data have to be considered with Crack and Rutting because of those relations.

• The Journal of Engineering Geology
• /
• v.27 no.3
• /
• pp.275-292
• /
• 2017

Large landslides have occurred more than 100 times each year by the influence of cyclones and torrential rain each year in Vietnam. Nevertheless, they $don^{\circ}$Øt have a scientific management system to prevent the landslide disaster in advance. In this study, we acquisited the risk factor and damage factor about each slope throughout basic survey at Hoang Sa Costal Road, Danang and at Ho Chi Minh Road, Quangnam. The priority of investigation technique considering of the exposure characteristics of the road slope in Vietnam developed by the empirical analysis with the acquired data. As a result, we can set the foundation of scientific management for the road slope management system in Vietnam.

• Proceedings of the KSEG Conference
• /
• 2000.04a
• /
• pp.111-119
• /
• 2000

• The Journal of the Korea Contents Association
• /
• v.11 no.7
• /
• pp.426-436
• /
• 2011

In the past, ERP had been applied to large company mainly, but recently, in order to exist from global business environment, most of smaller businesses are using or planing to introduce ERP. However, introduction of ERP requires considerable expense and effort, before ERP come into being, it is needed to measure the expense of introducing and the outcome expected. Previous analytical frameworks (according to introduction of ERP) have been focused on measuring improvement of performance by introducing ERP. This study carries out a survey on priority analysis of information system with small businesses which produce displayer parts. To derive the user's priorities which have been disregarded beside the improvement of performance on information system, this study rearranges the analysis indices by using BSC model and it analyzes the priorities of importance according to the stakeholder(manager group, middle manager group, worker group) by using ANP method.

• Proceedings of the Korean Society of Computer Information Conference
• /
• 2022.01a
• /
• pp.49-51
• /
• 2022

본 논문에서는 신생아집중치료실에 입원한 미숙아와 가족 대상의 증강현실(Augmented Reality [AR])기반 맞춤형지지 케어 프로그램 개발에 필요한 관련 전문가 합의를 도출한 델파이 조사 연구이다. 3D 콘텐츠를 적용한 프로그램 개발에 필요한 핵심 구성요소 혹은 교육 콘텐츠를 발굴하여 개발의 방향성을 제안하기 위한 델파이 분석에, 미숙아 및 전문가 집단 14명(1차)과 113명(2차)이 본 연구에 참여하였다. 각 델파이 집단에서 수집된 반응들의 분석 결과, 4개의 하위영역(AR 프로그램의 필요성 및 가치(장점), AR 기반 프로그램 도입과 적용 시 고려할 점, AR 기반 전인적 e케어 프로그램 도입 시 요구와 전략적 방안, 입원 초기부터 퇴원 전 단계별 지지케어 위한 3D 콘텐츠 개발 우선순위)이 분류되었으며, 총 57문항이 도출되었다. 입원 초기부터 퇴원 전 단계별 지지케어 위한 3D 콘텐츠 개발 요구도와 우선순위에 있어서는, 부모 경우 신생아 케어의 반복적 체험 훈련 통한 부모 교육, 아기 본연의 독특하고 고유한 캐릭터나 습관 및 특성 관련 정보 공유, 발달을 돕는 양육 또는 놀이 교육, 가족 요구 기반 특수 간호 기술 훈련 등의 항목의 우선순위가 높았다. 한편, 전문가의 경우 건강한 부모역할로의 이행을 돕기 위한 심리사회적지지, 부모-아기 간 단절 최소화, 미숙아 발달 관련 정보 및 양육 또는 놀이 정보 공유, 부모-아기 상호작용 기회 제공 등으로 요구도의 우선순위가 높았다. 본 연구에서 개발된 델파이 평가문항의 내적일관성 신뢰도를 분석한 결과, Cronbach's α .89~.94로 높았고, 타당도와 문항 구성이 적절한 것으로 나타났다. 본 연구의 결과들을 바탕으로, 미숙아와 가족을 위한 AR 기반 맞춤형지지 케어 프로그램 개발의 적합성이 검증되었고, 프로그램의 임상적, 기술적, 사용적 가치에 있어서 고려할 사항과 교수매체로서 부모와 전문가 집단이 요구하는 3D 콘텐츠 우선순위를 바탕으로 효과적인 기획 및 설계의 근거를 확보했다는 점에서 의의가 있다.

• International Commerce and Information Review
• /
• v.13 no.1
• /
• pp.179-196
• /
• 2011

This study aims to measure the relative importance of trade insurance using AHP developed by Thomas Saaty of Pennsylvania in early 1970s. Moreover, it provides help in the development of a comprehensive strategy of trade insurance. To obtain priority of trade insurance in its functions, this study discovered significance and relative importance of two evaluation standards and four individual evaluation items. Of the two evaluation standards, importance of credit exposure was 63%. It was discovered that it was more important than political means (37%). Of the four individual evaluation items, importance of banking supplementation was 60%. It was more important than credit investigation of overseas traders (40%). Importance of trade promotion policy was 69%, which was more important than removal of anxiety in trade (31%). As a result of comparing priorities of the f tire evaluation items, priority of banking supplementation was 38% followed by trade promotion policy means (26%), credit investigation of overseas traders (25%) and removal of anxiety in trade (12%).

• Journal of Korean Library and Information Science Society
• /
• v.52 no.2
• /
• pp.127-144
• /
• 2021

The purpose of this study is to redefine the competencies of teacher librarians and to derive implications for training and re-educating teacher librarians by analyzing the priorities of competencies. A questionnaire survey targeting teacher librarians based on analytic hierarchy process has been conducted. The results indicate that in terms of the upper-level areas of competencies, it was found that they prioritized teacher librarians' competencies in the following order: information specialists, teachers, administrators, and cooperative leaders. Analysis of the lower levels of competency indicates that the priorities of the required competencies are listed in the following order: collection development, management and preservation, teaching and learning, media production, information service, library cooperative instruction, library assisted instruction, content curation. Therefore, being able to provide information resources by developing a collection of books to support the educational process in school libraries was found to be a critical competency. It seems necessary to cultivate the capacity to manage online and offline collections and produce and provide various teaching media and services by utilizing school library resources. It seems to give implications for the education of teacher librarians.

• Journal of Korea Water Resources Association
• /
• v.42 no.12
• /
• pp.1029-1038
• /
• 2009

Recently, it is expected that small hydropower (SHP) could potentially provide sufficient amounts of alternative energy in Korea where there is an abundance of potential sites and where social efforts are being made to reduce the emissions of green house gases. In the past, the resources survey for SHP development has been carried out using onsite surveys and paper maps, which incurred a great deal of time and cost. Furthermore, the tools for decision making such as determining development priorities or evaluating feasibility have been considered only economic aspect and focused on the performance characteristics of power generation. However, as the concept of sustainable development has been being advanced in recent years, especially focused on human-social, environmental and ecological in addition to economical sector; the consideration of these multiple criteria has become essential for sustainable SHP development. This study aims to propose the spatial multi-criteria decision making (MCDM) methodology for determining priorities among a number of locations on the planning stage of SHP development using AHP and GIS. The proposed methodology is applied for determining development priorities among the SHP locations in Cho River basin and this study presents the detailed spatial information data and the results of development priorities. As a fundamental work, this study will be beneficial to the future activation of SHP development and will help the decision making in evaluating the feasibility of SHP development.

• Proceedings of the Korean Institute Of Construction Engineering and Management
• /
• 2006.11a
• /
• pp.98-102
• /
• 2006

This study was conducted to derive a priority of investment in educational facilities by collecting and analyzing investment records from elementary, middle, and high schools in Chung Nam area. In addition, the AHP survey and analysis were performed in order to draw the priority item in the educational facility improvement. Students, parents, teachers and a educational facility managers from those schools provided their opinions and data for the AHP study. As a result of the study, the actual investment-cost and a lack of educational facilities were found. A priority item based on the above study was derived which can be used to increase user's satisfaction in the educational facilities. The result of this study can be used as a basis to improve the environment of the educational facilities.