• Title/Summary/Keyword: Defining Model

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A Study on the Analysis of Apartment Price affected by Urban Infrastructure System - Electricity Substation (도시기반시설이 공동주택가격에 미치는 영향분석에 관한 연구 - 전력통신시설(변전소)을 중심으로 -)

  • Hwang, Sungduk;Jeong, Moonoh;Lee, Sangyoub
    • Korean Journal of Construction Engineering and Management
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    • v.16 no.1
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    • pp.74-81
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    • 2015
  • As one of urban infrastructure system, the electricity substation is critical for urban life and industrial activity as the electricity demands get higher than ever. However the substation is generally regarded as unpleasant or dangerous facility, which finally results in the continuous opposition movement by resident due to the belief of unidentified negative effect in apartment prices. Accordingly, as the scientifically objective and quantitative analysis is required to solve the social conflict, this study intends to examine the variation affected by urban infrastructure system, expecially for substation. After the independent variable defining the price of apartment and the dependent variable, which is apartment price, are identified and their spatial data has been filed, the forecasting model has been developed through the hedonic price function as well as artificial neural networks system. The research finding indicated that the spatial range affected by substation is not notable and the range of some case was applicable for less than 600m. It is expected that these research findings can be applied for establishing the one of solid cases for the analysis of economical effect to local housing market by the urban infrastructure system.

Instrumented Indentation Technique: New Nondestructive Measurement Technique for Flow Stress-Strain and Residual Stress of Metallic Materials (계장화 압입시험: 금속재료의 유동 응력-변형률과 잔류응력 평가를 위한 신 비파괴 측정 기술)

  • Lee, Kyung-Woo;Choi, Min-Jae;Kim, Ju-Young;Kim, Kwang-Ho;Kwon, Dong-Il
    • Journal of the Korean Society for Nondestructive Testing
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    • v.26 no.5
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    • pp.306-314
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    • 2006
  • Instrumented indentation technique is a new way to evaluate nondestructive such mechanical properties as flow properties, residual stress and fracture toughness by analyzing indentation load-depth curves. This study evaluated quantitatively the flow properties of steels and residual stress of weldments. First, flow properties can be evaluated by defining a representative stress and strain from analysis of deformation behavior beneath the rigid spherical indenter and the parameters obtained from instrumented indentation tests. For estimating residual stress, the deviatoric-stress part of the residual stress affects the indentation load-depth curve, so that by analyzing the difference between the residual-stress-induced indentation curve and residual-stress-free curve, the quantitative residual stress of the target region can be evaluated. The algorithm for flow property evaluation was verified by comparison with uniaxial tensile test and the residual stress evaluation model was compared to mechanical cutting and ED-XRD results.

A Study on Standardization of GIS Interoperability in Local Governments (지자체 GIS 상호운용성 확보를 위한 표준화 연구)

  • Jeon, Chang-Sub;Kim, Eun-Hyung
    • Journal of Korea Spatial Information System Society
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    • v.4 no.2 s.8
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    • pp.41-54
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    • 2002
  • The main questions of this study are how to reuse GIS applications and what to do for interoperability of the applications in local governments. To answer the questions, related technologies and standards of GIS are investigated. International standard organizations, such as ISO/TC211 and OGC(OpenGIS Consortium), are working on GIS interoperability standards based on component technology and distributed computing environments. In this study, a standard model for interoperability of GIS applications in local governments is proposed based on the international standards. Standardization process of GIS interfaces in local governments is as followed: 1) modeling of GIS business and 2) establishment of GIS service architectures 3) defining GIS standard interfaces 4) GIS component. In conclusion, by developing interoperable GIS applications based on component technology the reusability in local governments can be realized.

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Dignity Therapy for End-stage Patients: Concept Analysis (말기 환자의 존엄요법 개념분석)

  • Chung, Bokyae;Oh, Eunhee
    • Journal of Hospice and Palliative Care
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    • v.19 no.3
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    • pp.211-221
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    • 2016
  • Purpose: Dignity therapy is a very effective intervention to improve the dignity of end-stage patients. A concept analysis by Walker and Avant (2005) was adopted to define, describe, and delimitate the concept of dignity therapy. Methods: Nursing literature in the National Digital Science Links (NDSL) and Medline database were searched for the definitions of "dignity" and "dignity therapy". Definitions, uses, and defining attributes of dignity therapy were identified; model and contrary cases were developed; and antecedents, consequences, and empirical references were determined. Results: Through dignity therapy patients and their families share their stories, and that in turn improves the quality of life and death. Five attributes were identified: higher quality of life and death, therapeutic conversation, respect of human dignity and worth, expressing thoughts about life and death and systematic process. Conclusion: Patients at the end of their lives feel more comfortable about death. Hospice care providers should try to protect dignity of patients in their care. The attributes of the dignity therapy clarified in this study should be applied for terminally ill patients to improve their quality of life and death.

A Reconceptualization of Fairness in the Journalism: Focusing on the "Autonomy" (언론 공정성 개념의 재개념화: 언론의 자율성 논변을 중심으로)

  • Moon, Jong-Dae;Yoon, Young-Tae
    • Korean journal of communication and information
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    • v.27
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    • pp.93-122
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    • 2004
  • An examination of the previous works regarding the concept of "fairness" in the journalism revealed that the concept is widely used but remains inadequately defined. Furthermore, there is much less agreement about the characteristics defining "fairness" in the literature. Thus it has often caused disagreement among people who have different political perspectives in the judgment about any media coverage. I suggest a reconceptualization and extension of the construct "fairness" in order to reduce the ambiguity and conflicts in the judgment of fairness among people. Most importantly, drawing on the concept of "autonomy," I attempt to fill in the gap in the model of "fairness." According to the logic of "autonomy," the "fair" press can not exist without the freedom of the press. In other words, all external/internal constraints, which intrude on the freedom of the press, encroach the "fairness" of the press. Thus, the freedom of the press is necessary condition for the fairness in the journalism. However, the freedom of the press is not enough to realize the fairness in the journalism. It needs the sufficient rendition, which is the "autonomy" encompassing the ability of news organization, journalists, and audiences that they resist to any constraints against neutral value. Consequently, the emphasis on the "autonomy" which keeps neutral value perspectives will contribute to reshape the framework for evaluation of "fairness" in journalism.

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Defining the hydraulic excavation damaged zone considering hydraulic aperture change (수리적 간극변화를 고려한 수리적 굴착손상영역의 정의에 관한 연구)

  • Park, Jong-Sung;Ryu, Chang-Ha;Lee, Chung-In;Ryu, Dong-Woo
    • Journal of Korean Tunnelling and Underground Space Association
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    • v.9 no.2
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    • pp.133-141
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    • 2007
  • The excavation damaged zone (EDZ) is an area around an excavation where in situ rock mass properties, stress condition, displacement, groundwater flow conditions have been altered due to the processes induced by the excavation. Various studies have been carried out on EDZ, but most studies have focused on the mechanical bahavior of EDZ by in situ experiment. Even though the EDZ could potentially form a high permeable pathway of groundwater flow, only a few studies were performed on the analysis of groundwater flow in EDZ. In this study, the 'hydraulic EDZ' was defined as the rock zone adjacent to the excavation where the hydraulic aperture has been changed due to the excavation by using H-M coupling analysis. Fundamental principles of distinct element method (DEM) were used in the analysis. In the same groundwater level, the behavior of hydraulic aperture near the cavern was analyzed for different stress ratios, initial apertures, fracture angles and fracture spacings by using a two-dimensional DEM program. We evaluate the excavation induced hydraulic aperture change. Using the results of the study, hydraulic EDZ was defined as an elliptical shape model perpendicular to the joint.

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Relationship between In-situ Hydraulic Conductivity and Van Genuchten Parameters of Unsaturated Fractured Hornfels (불포화 균열 혼펠스의 현장 수리전도도와 반 게누텐 매개변수의 상관성)

  • Cheong, Jae-Yeol;Cho, HyunJin;Kim, Soo-Gin;Ok, Soonil;Kim, Kue-Young;Hamm, Se-Yeong
    • The Journal of Engineering Geology
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    • v.30 no.2
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    • pp.147-160
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    • 2020
  • Unsaturated hydraulic conductivity of near-surface unconsolidated layers depends on the physical properties and water content of the unconsolidated layers. So far, many studies have been conducted on the unsaturated hydraulic conductivity of near-surface unconsolidated layers. However, researches on hydraulic conductivity of unsaturated fractured rocks have been relatively rare. In relation to the construction of a low/intermediate level radioactive waste surface-disposal facility, this study compared and analyzed van Genuchten parameters (α, n) in the laboratory and the hydraulic conductivity obtained in field tests for fractured hornfels at a radioactive-waste disposal site of Korea. The relationship between the field hydraulic conductivity and van Genuchten parameters using data from the ten depth intervals of three boreholes resulted in that the correlation coefficient (R) between the hydraulic conductivity and the van Genuchten parameter α was 0.7607, showing positive correlation whereas the R between the hydraulic conductivity and the van Genuchten shape-defining parameter n was -0.8720, showing negative correlation. Hence, this study confirmed the relationship between the field hydraulic conductivity and the van Genuchten unsaturated functions for the unsaturated fractured hornfels.

A fragment-Driven Workflow Modeling Methodology (Fragment-Driven 워크플로우 모델링 방법론)

  • Moon Ki-Dong;Kim Hyung-Mok;Kim Kwang-Hoon;Paik Su-Ki
    • Journal of Internet Computing and Services
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    • v.6 no.2
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    • pp.141-152
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    • 2005
  • Many organizations have been recognizing the necessity of workflow automation technologies according to the rapid expansion of business process oriented applications, such as enterprise resource pianning, customer relationship management, electronic approval management, and so on, Thus, they have started adopting workflow management systems as an essential technological solution for their workflow processes, However, we need some technological extensions and improvements on them in order to accommodate a new type of workflow processes, which is called cross-organizational global workflow processes that require a certain level of collaborations between the organizations engaged in the global workflow processes, Fragment-driven workflow modeling methodology is a Bottom-Up methodology composing a global workflow by defining each organization's own activities, which is called a fragment through a realtime cooperative system. The approach is able to not only simplify the modeling work but also keep each organization's independence in modeling a global workflow, In this paper, we describe the fragment-driven workflow modeling methodology and realize the methodology through the implementation of a cooperative swimlane workflow modeling system.

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Functions and prospects of oriental health related industries in 21st century (21세기 한방건강관련산업의 역할과 전망)

  • Kim, Kwang-Joong
    • The Journal of Korean Medicine
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    • v.19 no.1
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    • pp.430-443
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    • 1998
  • The research on the actual condition of the oriental health related industry has been made with defining it's phase. As a result, I have come to develope korean-type health model, which can solve the problems derived from the past herb medicine industry. The prospects and roles of the oriental health related industries are as follows: The phase adjustment of the oriental health related industry. The problems of modern medical science happens in the beginning of 21st century, the importance of oriental health improvement in the field of health business is now being on the rise. therefore it is necessary to readjust the present status of the oriental medicine and to take it into health area. Should the responsible institutes regarded on oriental medicine make clear prescription in terms of oriental health industry's role and limitation, they could contribute health circumstance in the 21st century. This is because oriental health related industry can be utiliged in not only protective area and curable area. The present situation of the oriental health related industry. These herb medical societies are flooded with various oriental health industry apart from the legal systematic control so far health industry apart from the legal systematic control so far. The expected survey can not be complete but random under these situations. Nevertheless oriental medical health industry area such as a diet cure, exercise treatment and living condition cure are being considerably expanded, especially living facilities improvement and mind control areas are toward worldwide. Consquently herb health industries are now? consistantly developed by the influence of western nature treatment stemmed from the oriental medicine theory. The role and prospect of the oriental health related industry in 21st century. The oriental health industries can be helpful for the human being's health improvement in general but by the lack of scholastic oriental health theory, it does not contribute to the health welfare. If these problems are made up for in the field of theory area, the oriental health related industry will surely have the potentiallity and know how for health welfare. The successive role of these industry is depended on the fact that the characteristics of the oriental medicine should adjust to the real society with the systematic management. In the 21C, oriental health industry will certainly be vitalized owing to the social and periodical request especially in the area of oriental medical industry, oriental health drink industry, oriental health mind exercise industry, oriental health leasure industry and oriental health complex management industry. Among these areas, it is the oriental health complex amagement industry that will be the limestone of prosperity of the oriental health industry in 21C. Proposal for the social contribution of the oriental health related industry in the 21C. To achive the ultimate role of the oriental health industry in the 21c, first we should know how to use the oriental medicine. Second We should make an effort to revitalize the oriental health industry. So it is indespensible that government, academic institution and enterprise should concentrate their interest on the oriental health industry with common knowledge and systematic management in advance.

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Factors Affecting the Continuous Use of Mobile Music Contents (모바일 음악콘텐츠의 지속적 사용에 영향을 미치는 요인에 관한 연구)

  • Yang, Seung-Kyu;Park, Seong-Won;Lee, Choong-C.
    • Journal of the Korea Society of Computer and Information
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    • v.13 no.7
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    • pp.291-305
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    • 2008
  • Previous study about Mobile Music Contents was mainly focused on Industry factors & enterprise factors like Technology. This study is not only focused on Technology factors, but also Customer & System factors like TAM of original, and also, this study first tried to find the Mobile Internet medium's customer purchase by each property's Mobile Music Contents from assorting the Mobile music Contents property and defining them. So to speak of this study have tried to concretely verify the factors of purchase. And also, I proposed an transformated model, and added independent variable factors, 'distinction', 'speed of system', 'speed of network', 'a career of use', 'amount of use', 'preservation', 'customization', 'information', 'confidence', 'omni presentation', 'potential possibility of reproduce'. By applying TAM this study has measured how the product property. user property, and system property causes effect to customer purchase of Mobile Music Contents. In results, First, success 8 factors were determined to be the purchase of 'Ringtone'. Second, 8 factors were determined to be the purchase of 'Ring-Back tone', but, 'The use of convenience' was not influenced 'Intention of Purchase'. Third, 6 factors were determined to be the purchase of 'Full Track Download of Music'. At the Conclusion this study presented a scheme that these study results could be applied in actual company and academic world.

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