• 제목/요약/키워드: two-level tries

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A Comparative Study on Korean and Chinese Traditional Furniture based on the Life Style (라이프스타일의 비교를 통한 한중 전통가구의 비교)

  • Ha, Jae-Kyung;Hong, Sung-De
    • Journal of The Korean Digital Architecture Interior Association
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    • v.6 no.1
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    • pp.5-11
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    • 2006
  • Korea and China have had close relations not only geographically but also ideally and culturally throughout history. Regarding their lifestyles on housing patterns, however, Koreans had a sedentary way of life, usually sitting on the floor while Chinese had a standing lifestyle, sitting on a chair. This paper tries to have a comparative analysis on similarities and distinctions of two countries' traditional furniture that had complied with each lifestyle. This paper also aims to explore the similarities and distinctions of the form and function of the traditional furniture of the two countries and then to put results of this paper in design and plan of modern furniture and housing in our times. The study can be summarized as follows. Even if, cultural and historical relationships of two countries, there is a different of traditional furniture's forms and types. The major differences are as following : Korean furniture is predominantly on the floor level with storing furniture while Chinese one is intermixed with seat-level and floor level styles. These characters seem to be derived from their own housing and life style. In Ming and Qing period China, Their developed in which intermediate people and building. But, in Korea their housing style had floating floor against wet earth, which finished woods, Ondol. Because of these finishing, the Korean traditional furniture was developed into a good form and a suitable dimension for moving. These differences in furnishing style seemed to well reflect building and housing style of each country. And Image map and positioning map can show the differences in a whole aspect.

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A Mathematical Model for Strategic Decision Making in Two Level Supply Chain Network Design (2단계 공급사슬 네트워크에서 전략적 의사결정을 위한 수리적 모형)

  • Chung, Ki-Ho
    • Management & Information Systems Review
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    • v.32 no.3
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    • pp.107-125
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    • 2013
  • This study deals with a strategic decision making in two level supply chain network design. This study presents more realistic mathematical model than the previous studies by considering simultaneous location of plants and distribution centers, determination of capacity level for both plants and distribution centers, and upper limit condition for numbers of locating plants and distribution centers. This paper tries to help the strategic decision making for two level supply chain network design. For this purpose, three different sized numerical examples are generated and optimal solutions are obtained by applying Excel Solver program. And sensitivity analysis is performed for the biggest sized example problem, which has 10 potential plants, 20 potential distribution centers, and 200 customer zones. After the plants being located are fixed, optimal minimum costs are obtained and compared for each of 7 different numbers of distribution centers to be located. As the number of distribution centers increases, changes in inbound transportation cost and outbound transportation cost can be derived. In case of considering cost as well as customer satisfaction level for two level supply chain network design, the analysis of this changes may help more sophisticated decision making.

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A Study on International Comparison and Analysis of Health Education Contents in Elementary Schools(based on Korea, USA, and Japan) (초등학교 보건교육내용의 국제비교분석(한국, 미국, 일본을 중심으로))

  • Lee, Soon-Young;Park, Young-Soo
    • The Journal of Korean Society for School & Community Health Education
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    • v.2 no.2
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    • pp.57-78
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    • 2001
  • The purpose of this study is to analyze hygiene education contents of elementary schools in Korea, USA, Japan and compare this and to provide with basic material present improvement method when hygiene education contents of elementary schools in Korea are organized. For this purpose the problems as following are selected centering on the hygiene education contents of the 7th education process in Korea and Japan and the hygiene text of public school in California, USA. First, this study tries to analyze the composition classified by 12 guidance contents each grade of hygiene education contents of elementary schools in Korea, USA, and Japan. Second, this study tries to analyze the composition classified by fields(physical, mental, social) of hygiene education contents of elementary schools in Korea, USA, and japan. As a result of the analysis and comparison on the matters stated above, the conclusion as following was gotten. First, as a result of searching the hygiene education contents system of elementary schools in Korea, USA, and Japan classified by 12 guidance contents each grade, the subjects which have good contents composition classified by class step by step were safe life and disease prevention. And the subjects such as growth development and health, physical fitness, drug use and health were weak and the parts such as consumer health and the careers concerned with are not dealt in the present education process of Korea at all. Second, as a result of analyzing the composition classified by fields of hygiene education contents of elementary schools in Korea, USA, Japan, all the three countries put great on physical part. And there are 57 units about mental part in USA, 27 units in Japan, only 17 units in Korea. And this fact reveals that there was lack of understanding about the need of mental part in Korea. This study tries to suggest improvement method as following through the study results stated above. First, as it is grasped in the analysis classified by guidance part of hygiene education contents, community and environment preservation, physical aptitude and stress management are to be emphasized more strongly and about the parts like consumer health and the persons concerned with hygiene new education programs as contents satisfying the need of age are to be inserted or complemented Second, because the hygiene education contents in Korea are still lack in comparing contents of mental parts compared with those of the two countries, the contents proper to the level and the requirement of learners to each grade are to be developed and complemented. Third, hygiene education units which were reduced in the 7th curriculum in Korea are lack compared with those in the two countries. Therefore, it is necessary that teachers should recognize the need of hygiene education so that the hygiene education can be separated and be taught out regularly.

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An Estimation of Korea's Import Demand Function for Fisheries Using Cointegration Analysis (공적분분석을 이용한 우리나라 수산물 수입함수 추정)

  • 김기수;김우경
    • The Journal of Fisheries Business Administration
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    • v.29 no.2
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    • pp.97-110
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    • 1998
  • This paper tries to estimate Korea's import demand function for fisheries using cointegration analysis. The estimation function consists of one dependent variable-import quantity of fisheries(FTIW) and two independent variables-relative price(RP) between importable and domestic products and real income(GDP). As it has been empirically found out that almost all of time series of macro-variables such as GDP, price index are nonstationary, existing studies which ignore this fact need to be reexamined. Conventional econometric method can not analyze nonstationary time series in level. To perform the analysis, time series should be differenciated until stationarity is guaranteed. Unfortunately, the difference method removes the long run element of data, and so leads to difficulties of interpretation. But according to new developed econometric theory, cointegration approach could solve these problems. Therefore this paper proceeds the estimation on the basis of cointegration analysis, because the quartly variables from 1988 to 1997 used in the model is found out to be nonstationary. The estimation results show that all of the variables are statistically significant. Therefore Korea's import demand for fisheries has been strongly affected by the variation of real income and the relative price.

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Developing a Standard Costing Model for a Container Terminal and Their Profitability Analysis case study of with reference to PECT and GCT (컨테이너부두의 표준원가모델 구축 및 운영수지분석)

  • 임종길;이태우
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 1999.10a
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    • pp.19-33
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    • 1999
  • This paper is concerned with developing a standard costing model based on the case study of PECT and GCT and analysing their profitability in order to improve operation efficiency and design business strategy. In doing so, the model can be a useful tool to analyze current calculation system of lease charge at the two terminals and to judge whether the level of lease charge currently applied to them is justifiable for their profitability. This paper also deals with break-even analysis of container terminal operating companies on the basis of the model and forecast of their profitability. On the top of that, it tries to look into the arguments and to suggest proposals for improving their profitability.

Characteristics of Noise in the Nurse Station of Comprehensive Care Wards (간호·간병통합서비스병동 간호스테이션의 소음 특성 분석)

  • Bang, Sujeong;Oh, Younghun;Lee, Hyunjin
    • Journal of The Korea Institute of Healthcare Architecture
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    • v.24 no.1
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    • pp.41-49
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    • 2018
  • Purpose: It is recently reported that the increasing noise in the hospitals has caused psychological and physiological stress problems with patients, and medical staffs. This study intends to investigate and analyze the noise levels in the sub stations in comparison with those in the wards in general. This study tries also to find some alterative solutions to the immediate problems. Methods: Noise measurements are conducted in advance prior to analyzing their results at two general hospitals with more than 900 beds, in the comprehensive nursing service wards and in the main/ sub stations located in the general wards Results: Although the noise level in the comprehensive nursing service wards has been slightly lower than that in the general wards, this result is over the recommended noise levels. Therefore it is recommended that efforts should be made to low down the noise level as an alternative and to replace the aged carts as well. Implications: The comprehensive nursing service wards are required to take measures against the various noise sources.

Post Occupancy Evaluation of the Central Hospital in Quang Nam Province of Vietnam Funded by Korean ODA (ODA 지원 베트남 중부 꽝남성 종합병원의 거주후 평가)

  • Kwon, Soon Jung;Yu, Yeo Kyoung;Kim, Jihyun;Bang, Seol Ah
    • Journal of The Korea Institute of Healthcare Architecture
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    • v.22 no.1
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    • pp.39-49
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    • 2016
  • Purpose: This is the ex-post evaluation on "the Central General Hospital in Quang Nam Province in Vietnam" funded by Korean ODA. Through this evaluation, this study tries to explore useful ways to improve the effectiveness of Korean ODA projects related to hospital establishment. Methods: Field survey and analysis of questionaire to the staffs and patients of Quang Nam Province General Hospital were conducted twice in 2012 and 2014 after the completion of the Hospital. Two sets of surveys and questionaire outcomes have been comparatively analysed by statistics in order to seek the trend of satisfaction level of hospital users and find out the improvement way in hospital design and construction. Results: The satisfaction level on the hospital was relatively high and that of 2014 is higher than that of 2012. The satisfaction level of the users was recorded in Likert 5 scales. Continuous facility complement and maintenance is considered as the main contributor in increasing the satisfaction level of users. As far as the satisfaction level of outpatient is concerned, that of 2012 was recorded as 3.65 and that of 2014 was 4.05. In case of inpatient, the satisfaction level on the hospital in 2012 was 3.76, and 4.06 in 2014. Implications: In overseas hospital projects, proper hospital project management system including medical service plan, strategic plan, brief, design & construction and maintenance have to be put together effectively and efficiently for the success of the hospital project. At the same time local climate, culture, building material and local code have to be considered in order to build sustainable hospital.

The Analysis of the Effect of Fiscal Decentralization on Economic Growth: Centering The U. S. (재정분권화가 경제성장에 미치는 영향에 관한 실증연구: 미국의 경우를 중심으로)

  • Choi, Won Ick
    • International Area Studies Review
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    • v.16 no.3
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    • pp.77-97
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    • 2012
  • Estimated coefficients has serious problems including inconsistency, biasness, etc. because many researches about the effect of fiscal decentralization on a country's economic growth use the traditional OLS method. Researches use the data intactly so that so called "spurious regression" phenomenon exists. This causes fundamental fallacy. This research tries unit root test, cointegration test, and then estimates the United States' economic time series by using VECM. The analysis of the effect of the state level-fiscal decentralization on economic growth shows two long term-equilibriums. During short term-dynamic adjustment, fiscal decentralization and economic growth move the same or different directions. In case of prediction GDP increases steeply and then from 2015 gently; and fiscal decentralization index shows a general reduction trend and then decreases slowly. At local level it shows two long term-equilibriums. During short term-dynamic adjustment, fiscal decentralization and economic growth also move the same or different directions. Impulse response analysis shows the very negative effect of fiscal decentralization on economic growth.

Study on International Bases for Improving International Competitiveness of Korean ICT Industries (국내 SW기업의 해외진출을 지원하기 위한 해외거점 정책 연구)

  • Nam, Youngho;Kim, Inkyu;Yoon, Ilseon
    • Journal of Information Technology and Architecture
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    • v.11 no.1
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    • pp.53-62
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    • 2014
  • The research tries to find appropriate nations and cities of the international supporting centers according to Korean firms' requests. It also tries to find out proper designs of governance structure and strategic and operational control system of the center. Two methods are used to find out Korean firms' requests. One is the expert interviews and the other is the questionnaire survey. The email survey is sent to 120 firms of IT service, package software, telecom facilities and broadcasting equipment industries. Their opinions in addition to interview results are used as a basis of selecting potential regions for new centers and types of their services. According to survey results, southeast asia is the most preferred region and Indonesia, Vietnam, Thailand, Malaysia and Singapore are selected as potential nations for a location of the center in southeast asia. However, the survey result is not fully agreed with the interviewees' opinions. The interviewees tell that there are not much demand in nations with low purchasing power and low IT industry level. That is, Indonesia and Vietnam are not proper places for the centers.

Modeling of Electricity Market based on Cournot Theory in consideration of Emissions Trading (배출권 거래를 고려한 쿠르노 모형 기반의 전력시장 모델링 기법에 관한 연구)

  • Lee, Kwang-Ho;Kim, Wook
    • Journal of the Korean Institute of Intelligent Systems
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    • v.24 no.4
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    • pp.379-384
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    • 2014
  • This paper proposes a Cournot model that can be used to analyze the strategic behaviors of generation companies which try to maximize their profits in an imperfectly competitive electricity and carbon markets. The proposed model consists of two parts. First, the strategic behaviors of generation companies are modeled based on the Cournot theory. Second, the market operation is modeled based on the assumption that the market operator tries to maximize the total social welfare in consideration of environmental welfare. To find the Nash equilibrium of the proposed model, the two-level optimization technique is used. The proposed method has been applied to an illustrative example of oligopolistic markets. We found that the proposed method has strong potential to analyze the influence of the strategic biddings of the generation companies and the impact of renewable generator on markets where the competitiveness of the markets is not fully developed.