• Title/Summary/Keyword: AHP Survey

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A Study on the Evaluating Indicators of the Level of Deterioration in High-rise and high-density Apartments (고층고밀 아파트단지의 노후도 평가지표 개발)

  • Cho, Sung-Heui;Lee, Tae-Kyung
    • Journal of the Korean housing association
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    • v.20 no.4
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    • pp.131-142
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    • 2009
  • High-rise and high-density apartment complexes have been built and supplied on a large scale in the 1st period of the New Town project in metropolitan areas since the late 1980s. Now It has become necessary to improve those apartment complexes, which have serious deterioration problems for aging more than about 20 years accompanying simultaneity and a large scale. The purpose of this research is to develop the evaluating indicators to measure the level of deterioration of apartments inclusively and practically in order to regenerate apartments as sustainable residential environments. This study is composed of the following four parts; (a) establishing the conceptual model of evaluation of apartment deterioration, (b) selecting evaluation items, (c) constituting evaluation measurement, and(d)weighting evaluation indicators. First, deterioration of apartments was conceptualized by physical. social, and economical aspects in terms of sustainable development and proposed the conceptual model of hierarchy structure of evaluation of apartment deterioration by literature reviews. Second, evaluating items were selected based on literature reviews of existing indicators and preceding studies about apartments of Korea and foreign countries. The evaluating indicators were identified as a total of 77 evaluating items which were composed of three dimensions and 9 attributes on the basis of the conceptual model. They cover comprehensive scope of the apartment such as unit, building, complex, and site. Third, as the measurement, the 5 point ordinal scale measure was suggested. The evaluating measurement including measure standards, measure methods, and measure contents were developed by each evaluating items. Lastly, the weighting of evaluating indicators was analyzed by AHP method conducted by survey on the expert group. Items were identified as high contributors or low contributors. The weighting of these items could suggest several evaluations according to the situation. The evaluation of the level of deterioration can be done by both total evaluation and a specific field of evaluation. In addition, it is easy to grasp deteriorated attributes or dimensions by providing a radar and bar chart showing evaluation results. These evaluating indicators could be a useful tool to grasp actual methods for the regeneration of apartments.

Determining Priority of the Bikeway Construction in Rural National Highway (지방부 자전거도로 사업우선순위 선정 방법론에 관한 연구)

  • Jeon, Woo-Hoon;Lee, Hyang-Mi;Baik, Nam-Chel
    • International Journal of Highway Engineering
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    • v.14 no.3
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    • pp.111-120
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    • 2012
  • Because people are gradually interested in bicycles, central and local governments provide many efforts for expanding bikeway plans and utilization. However, most domestic bicycle plans have been established for the urban and leisure. This research is focused on developing the evaluation method to give the priority order for the investment of rural community bicycle roads. For the methodology development, the planning hierarchy and indicator framework are proposed in this paper. In order to decide the weighting value for indicators, a questionnaire survey to transportation experts was conducted. Moreover, the coefficient for social and spatial equity was applied to consider the balance of regional development. The evaluation was applied to a pilot corridor comprised of a 160km section of national highway in korea. This methodology provides a new tool to decide priority order for the investment of bicycle facilities.

A Study on Route Decision for Multimodal Transportation : From Viewpoint of Service Factors (복합운송경로 선정에 관한 연구 - 서비스요인 중심으로 -)

  • Kim, So-Yeon;Choi, Hyung-Rim;Kim, Hyun-Soo;Park, Nam-Kyu;Park, Yong-Sung;Jung, Jae-Un
    • Journal of Korea Society of Industrial Information Systems
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    • v.11 no.5
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    • pp.170-180
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    • 2006
  • The increase in international logistics market and various customer demands emphasize the importance of Multimodal Transportation, and that market is continuously keeping growing. In order to ensure competitive superiority in a market of such infinite competition, service that can satisfy each individual customer by considering various customer characteristics, has become an issue. Thus, through the aspect of service, in order to improve customer satisfaction, growing factors of Multimodal Transportation Route was studied in this research. For this research, first of all main service factors that affect the growth of Multimodal Transportation were seized by literature survey and positive research. Then, by using these factors a methodology that enables individual customers to assess Multimodal Transportation Route was studied. Through this research, individual customers can acquire objective assessment data and Multimodal Transportation companies can seize what factors are considered as important by their customers.

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Methodology for Measuring the Quality of Three-Dimensional Television (3차원 텔레비전의 품질측정 방법론)

  • Byun, Dae-Ho
    • Journal of Digital Convergence
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    • v.10 no.4
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    • pp.1-9
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    • 2012
  • Emerging three-dimensional television (3DTV) as a new IT product shows a possibility that television is not for just watching broadcasting, but an attractive tool for applying it to our real life. Three dimensional television is generally more effective and attractive than two-dimensional television (2DTV). But it still needs continuous technological improvement to solve its inherent limitations until many customers decide to purchase 3DTVs without hesitation. Innovative products like 3DTV encounter a quality problem leading purchase decision by customers. Quality is regarded as one of the most important factors affecting customers to adopt and use the product. Furthermore, measuring quality effectively is considerable for the 3DTV research. In this paper, we suggest the Analytic Hierarchy Process(AHP) method for evaluating 3DTVs in a view of quality. We describe quality criteria affecting the 3DTV selection through a literature survey and develope an analytical method for measuring quality. We classify the quality of 3DTV into four types and suggest a concept of the quality ratio as a measurement criteria instead of the quality gap. Though a numerical example, we show how priorities of 3DTV with versatile manufacturers is computed.

An Explanatory Study on Factors Affecting the Purchase of Smart Device Game Applications in the framework of Contents Characteristic Factors (콘텐츠 특성요인에 따른 스마트기기 게임 앱 구매결정에 관한 탐색적 연구)

  • Lee, Jungmann;Park, Boyoung
    • Journal of Digital Convergence
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    • v.11 no.3
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    • pp.353-361
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    • 2013
  • In this study, to analyze the factors affecting the purchase of smart device applications, research model based on AHP(Analytic Hierarchy Process) model was employed and derived consumers' priorities of smart device game applications in the framework of contents characteristic factors. Survey was conducted with 10 experts who are involved in the smart game industry. The empirical result showed that the most important purchasing factor was story(0.217). And fame(0.171), graphics(0.134), operability(0.111), information(0.093), difficulty(0.085), speed(0.068), characters(0.053), price(0.042), genre(0.028) are presented in order in terms of the importance. The order of consumers' preferences to smart device game application was RPG, Tycoon, action, simulation, sports/leisure, quiz/puzzle/board, etc. gamble. It suggested that under the environment of smart devices consumers could enjoy not only simple puzzle and board game but also complicated and difficult games such as RPG and tycoon game due to the development of smart devices.

A Systematization Model of the Design Phase VE Selection by the Analysis of the Required Items in the Apartment (공동주택 설계VE의 요구항목 분석을 통한 대상선정 체계화 모델)

  • Jung, Ho-Geun;Yang, Jin-Kook;Lee, Sang-Beom
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2007.11a
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    • pp.1015-1018
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    • 2007
  • VE is one of the most effective and systematic tool available to achieve the required function at minimum cost and manage in many industrial fields. The purpose of the preparation phase VE job plan is to establish a cooperation system referring to groups for the successful implementation of VE, and to achieve a common objective to collect sufficient materials required in the analysis phase. The Quality Model is used to measure the requirement of shareholders(users and owners)in the project. It also offers a guideline on decision making when executing the function definition, function arrangement, function evaluation, and the idea evaluation of VE. However, the current the preparation phase business confirms that the required items of owners and users has not suggested definite goals and directions. This study analyzes the problems of current work in the preparation phase from case study, survey and interviews of experts. It then proposes a new process after understanding the required items of owners, users and experts.

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Improved Method for VE Items Selection by Analysing the Required Items of Stakeholder on the Apartment in Design Phase (공동주택의 설계VE단계에서 주체별 요구항목 분석을 통한 대상선정 개선방안)

  • Jeong, Ho-Geun;Yang, Jin-Kook;Lee, Sang-Beom
    • Korean Journal of Construction Engineering and Management
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    • v.9 no.4
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    • pp.111-119
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    • 2008
  • VE is one of the most effective and systematic tool available to achieve the required function at minimum cost and manage in many industrial fields. The purpose of the preparation phase VE job plan is to establish a cooperation system referring to groups for the successful implementation of VE, and to achieve a common objective to collect sufficient materials required in the analysis phase. The Quality Model is used to measure the requirement of shareholders(users and owners)in the project. It also offers a guideline on decision making when executing the function definition, function arrangement, function evaluation, and the idea evaluation of VE. However, the current the preparation phase business confirms that the required items of owners and users has not suggested definite goals and directions. This study analyzes the problems of current work in the preparation phase from case study, survey and interviews of experts. It then proposes a new process after understanding the required items of owners, users and experts.

A Study on Route Decision for Multimodal Transportation - From Viewpoint of Service Factors (복합운송경로 선정에 관한 연구-서비스요인 중심으로)

  • Kim, So-Yeon;Choi, Hyung-Rim;Kim, Hyun-Soo;Park, Nam-Kyu;Park, Yong-Sung;Jung, Jae-Un
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • v.1
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    • pp.251-259
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    • 2006
  • The increase in international logistics market and various customer demands emphasize the importance of Multimodal Transportation, and that market is continuously keep growing. In order to ensure competitive superiority in a market of such infinite competition, service that can satisfy each individual customer by considering various customer characteristics, has become an issue. Thus, through the aspect of service, in order to improve customer satisfaction, growing factors of Multimodal Transportation Route on was studied in this research. For this research, first of all main service factors that affect the growth of Multimodal Transportation were seized by literature survey and positive research. The, by using these factors a methodology that enables individual customers to assess Multimodal Transportation Route was studied. Through this research, individual customers can acquire objective assessment data and Multimodal Transportation companies can seize what factors are considered as important by their customers.

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A Study on the Technique for Evaluating Geological Suitability about the Route of a Linear Civil Engineering Structure (선형토목구조물에 대한 지질학적 측면 노선의 적정성 평가기술)

  • Hwang, Hak-Soo;Moon, Sang-Ho;Kim, Yong-Il;An, Dong-Kwang;Ha, Sung-Ho;Song, Moo-Young
    • The Journal of Engineering Geology
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    • v.18 no.4
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    • pp.501-509
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    • 2008
  • It is very important in designing civil engineering structures that the quantification of geological informations must be carried out in terms of importance. In this study, the geological informations are quantified and evaluated using analytic hierarchy process (AHP). A professional group was organized with 30 people in the field of civil engineering, transport, and geology. On the assumption that the civil engineering structure is linear such as highway or railroad, a survey of the group in terms of geological and hydro-geological elements has found that the hierarchy structure is composed of four levels. And fault structure is a primary factor which causes the stability of a linear civil engineering structure. The importance of geological items are arranged with fault (0.456), foliation/bedding plane(0.l65), lineation(0.144), ground water(0.124), and rock type(0.111).

Evaluation of educational school meal programs in Gyeonggi province, South Korea

  • Lee, Youngmi;Kim, Oksun;Lee, Uiok;Kwon, Sooyoun
    • Journal of Nutrition and Health
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    • v.50 no.1
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    • pp.111-119
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    • 2017
  • Purpose: School meal programs should be part of the educational process to promote good eating habits for students. The purpose of this study was to develop an evaluation scale for educational school meal programs and evaluate the achievement level of educational school meal programs using the developed scale. Methods: The evaluation scale for educational school meal programs consisted of 23 items in eight categories and was developed using content validity ratio (CVR) analysis and analytic hierarchy process (AHP) by 15 related experts. The results of a survey on nutrition teachers or dietitians at 91 elementary, middle, and high schools in Gyeonggi province, South Korea were analyzed to evaluate the achievement levels of educational school meal programs. Results: Overall, total average score was 45.7 out of 100, with significant differences among schools (p = 0.005). Elementary schools (51.9) showed a higher average score than middle (41.5) and high schools (37.1). The score for the category of regular nutrition and dietary education was the lowest (5.7 out of 33.7). In addition, school meal environment (5 out of 10), educational activities through school meal time (9.2 out of 19), and extra-curricular experiential activities (3.5 out of 10) also showed inadequate levels. Conclusion: The results show that the overall level of educational school meal programs is not adequate and needs to be improved, especially at middle and high schools. Government support polices need to be implemented to encourage educational activities related to school meal programs.