• Title/Summary/Keyword: concept combination

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Assessment of Flood Vulnerability to Climate Change Using Fuzzy Model and GIS in Seoul (퍼지모형과 GIS를 활용한 기후변화 홍수취약성 평가 - 서울시 사례를 중심으로 -)

  • Kang, Jung-Eun;Lee, Moung-Jin
    • Journal of the Korean Association of Geographic Information Studies
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    • v.15 no.3
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    • pp.119-136
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    • 2012
  • The goal of this study is to apply the IPCC(Intergovernmental Panel on Climate Change) concept of vulnerability to climate change and verify the use of a combination of vulnerability index and fuzzy logic to flood vulnerability analysis and mapping in Seoul using GIS. In order to achieve this goal, this study identified indicators influencing floods based on literature review. We include indicators of exposure to climate(daily max rainfall, days of 80mm over), sensitivity(slope, geological, average DEM, impermeability layer, topography and drainage), and adaptive capacity(retarding basin and green-infra). Also, this research used fuzzy model for aggregating indicators, and utilized frequency ratio to decide fuzzy membership values. Results show that the number of days of precipitation above 80mm, the distance from river and impervious surface have comparatively strong influence on flood damage. Furthermore, when precipitation is over 269mm, areas with scare flood mitigation capacities, industrial land use, elevation of 16~20m, within 50m distance from rivers are quite vulnerable to floods. Yeongdeungpo-gu, Yongsan-gu, Mapo-gu include comparatively large vulnerable areas. This study improved previous flood vulnerability assessment methodology by adopting fuzzy model. Also, vulnerability map provides meaningful information for decision makers regarding priority areas for implementing flood mitigation policies.

THE EFFECT OF THE BIORESORBABLE COLLAGEN MEMBRANE ON THE REGENERATION OF BONE DEFECT BY USING THE MIXTURE OF AUTOGRAFT AND XENOGRAFT BONE

  • Lee Jung-Min;Kim Yung-Soo;Kim Chang-Whe;Han Jung-Suk
    • The Journal of Korean Academy of Prosthodontics
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    • v.41 no.3
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    • pp.325-341
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    • 2003
  • Statement of problem: In cases where bony defects were present, guided bone regenerations have been performed to aid the placement of implants. Nowadays, the accepted concept is to isolate bone from soft tissue by using barrier membranes to allow room for generation of new bone. Nonresorbable membranes have been used extensively since the 1980's. However, this material has exhibited major shortcomings. To overcome these faults, efforts were made to develop resorbable membranes. Guided bone regenerations utilizing resorbable membranes were tried by a number of clinicians. $Bio-Gide^{(R)}$ is such a bioresorbable collagen that is easy to use and has shown fine clinical results. Purpose: The aim of this study was to evaluate the histological results of guided bone regenerations performed using resorbable collagen membrane($Bio-Gide^{(R)}$) with autogenous bone, bovine drived xenograft and combination of the two. Surface morphology and chemical composition was analyzed to understand the physical and chemical characteristics of bioresorbable collagen membrane and their effects on guided bone regeneration. Material and methods: Bioresorbable collagen membrane ($Bio-Gide^{(R)}$), Xenograft Bone(Bio-Oss), Two healthy, adult mongrel dogs were used. Results : 1. Bioresorbable collagen membrane is pure collagen containing large amounts of Glysine, Alanine, Proline and Hydroxyproline. 2. Bioresorbable collagen membrane is a membrane with collagen fibers arranged more loosely and porously compared to the inner surface of canine mucosa: This allows for easier attachment by bone-forming cells. Blood can seep into these spaces between fibers and form clots that help stabilize the membrane. The result is improved healing. 3. Bioresorbable collagen membrane has a bilayered structure: The side to come in contact with soft tissue is smooth and compact. This prevents soft tissue penetration into bony defects. As the side in contact with bone is rough and porous, it serves as a stabilizing structure for bone regeneration by allowing attachment of bone-forming cells. 4. Regardless of whether a membrane had been used or not, the group with autogenous bone and $Bio-Oss^{(R)}$ filling showed the greatest amount of bone fill inside a hole, followed by the group with autogenous bone filling, the group with blood and the group with $Bio-Oss^{(R)}$ Filling in order. 5. When a membrane was inserted, regardless of the type of bone substitute used, a lesser amount of resorption occurred compared to when a membrane was not inserted. 6. The border between bone substitute and surrounding bone was the most indistinct with the group with autogenous bone filling, followed by the group with autogenous bone and $Bio-Oss^{(R)}$ filling, the group with blood, and the group with $Bio-Oss^{(R)}$ filling. 7. Three months after surgery, $Bio-Gide^{(R)}$ and $Bio-Oss^{(R)}$ were distinguishable. Conclusion: The best results were obtained with the group with autogenous bone and $Bio-Oss^{(R)}$ filling used in conjunction with a membrane.

A Study on the Possibility of Domestic Dance Film's Development - Focusing on 'Seoul Dance Film Festival' and 'Dance Film Project' (국내 무용영화의 발전 가능성 연구 - '서울무용영화제'와 '댄스필름 프로젝트'를 중심으로)

  • LEE, Eunjoo;CHUNG, Euisook
    • Trans-
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    • v.4
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    • pp.37-63
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    • 2018
  • Dance films, which started together as a combination of dance and video technology, have evolved into a new genre. Overseas, from early 1950s, experimental dance films have been produced and the dance film association is organized along with many dance film festivals are being held. However, it has not been long since the perception and creativity of the genre of dance films in Korea. Under these circumstances, holding of the 'Seoul Dance Film Festival' and experimental approaches by 'Dance Film Project' are important for the development of domestic dance films. Therefore, this paper explores the concept and development of dance films, the status and features of various overseas dance film festivals and the 'Seoul Dance Film Festival'. This paper also explores the roll and function of 'Seoul Dance Film Festival' and 'Dance Film Project', and their expected benefit along with possibilities of prosperity of domestic dance film. 'Dance Film Project' is the educational and experimental venue for producing of dance films, and the 'Seoul Dance Film Festival' is a platform for producing dance film makers, show of works, dialogue with audiences, international exchanges, and distributions. The dance film festival embodies the value of the past and current flow of the dance film and is intrinsic to the existence of a live content that can be predicted the future aspect of its roll. The two groups mutual growth and development are expected to play a positive role in the development of domestic dance films.

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Exploratory Study of Characterizing Scholarly Communication Patterns in Humanities for Facilitating Consilience in Cyberscholarship Environment: Based on Historians' Research Activities (사이버스칼러쉽 환경에서의 융복합 연구 촉진을 위한 인문학 분야 학술 커뮤니케이션 특성 파악에 관한 연구 - 역사학 분야를 중심으로 -)

  • Yu, So-Young
    • Journal of the Korean Society for Library and Information Science
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    • v.50 no.1
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    • pp.331-351
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    • 2016
  • Digitalized data and literature in scholarly community has developed the concept of digital humanities and cyberscholarship which indicate the characteristics of a new aspect and approach in scholarly activities with digitalized resources or new media. This study was performed in order to identify the changes in national research activities of art and humanities by using a multi-modal approach. The combined methodology of in-depth interview and content analysis on publishing and citing behaviors in literature was executed. The steps of research process is identified as a non-linear combination of 3 parts: developing research idea, developing the research idea to write, and submitting manuscript to publish. Prominent implementations of cyberscholarship were found in the 2nd step for accessing and using research data and literatures. Understanding the characteristics of scholar communication using cyberscholarhip factors in humanities for interdisciplinarity, sophisticating the environment of cyberscholarhip for data sharing, investing and developing archivist and archives, and providing a various platform for accelerating scholarly communication were derived by the panel discussion for developing interdisciplinary research for humanities.

A Study on Replacing Method Global Illumination Using Ambient Occlusion (Ambient Occlusion을 이용한 Global Illumination 대체기법 연구)

  • Park, Jae-Wook;Kim, Yun-Jung
    • Cartoon and Animation Studies
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    • s.36
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    • pp.493-510
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    • 2014
  • From game consoles to TV and Hollywood films, 3D rendering technology is involved in various fields. Up until the late 90s, the computer image rendering method was rasterization that mainly used Phong Shading, and up until recently it was the go-to method for movies and film animation. In the 21st century, the quality provided by Ray Tracing and the development of Global Illumination was much more realistic and thus became popularized. However, despite its growing use in architectural rendering to the markets, Global Illumination in film animation and movies was limited due to its long render time. So, in this thesis, if one were to take the concept from each rendering method and consider it from a mathematical perspective, one could adapt the Ambient Occlusion's equation to the illumination loop equation used in rasterization. This algorithm modification has the capability to reflect the lighting of a diverse array of colors, like in Global Illumination, with a fast render time, as in rasterization, and the example RenderMan Shader is based upon this new algorithm. In conclusion, with Global Illumination's naturalistic lighting and rasterization's rendering speed, the combination of the best points of each is a new method with a short rendering time while producing good quality. I hope animations and films can benefit from this algorithm by the reduction of budget with an overall better quality output in VFX production.

Evolutionary & Revival of ChunCheon Cultural Cluster (춘천 문화산업 클러스터의 진화와 회생)

  • Seo, Jeong-Soo;Kwon, Jae-Woong
    • Cartoon and Animation Studies
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    • s.25
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    • pp.155-175
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    • 2011
  • The cultural cluster in Chuncheon was initiated in the late 1990s with the combination of diverse components, which were companies, a local government entity, educational institutions, and human resources. In order to hold ability of standing on its own way in a hard time when the local cultural industries could not had developed by themselves, it urgently required the encouragement policy in the name of industry development. GIMC (Gangwon Information & Multimedia Corporation) was established in this situation, and policy strategies for promoting the cultural cluster was decided on the basis of GIMC's strategies. This article analyzes the evolution process of the local cluster and suggests characteristics of its every stage--initiation, development, and decline--on the basis of cluster competition concept because of the problem to deal with the evolution process of cluster from the existing viewpoint. This article finds out that Chuncheon cluster embarked on cultural cluster strategies without concerning basic elements which had to be prepared from the initial stage. This problem worked as the serious obstacle hampering development of Chunchen cluster. This problem was the matter of policies in providing a direction of industry development as well as leading a local cultural cluster and led to a result of weakening the connection among cluster components. As a result, this article shows that the current status of Chuncheon cultural cluster is being entered the decline stage, and, therefore, suggests that the advanced policy to promote cluster for a next round is urgently needed. Stable closing the first round of cultural cluster policies and thorough preparation for the second round is the only practical solution to minimize side effects of cluster decline. It is the prerequisite to restore trust and, at the same time, reinforce relationship between members who consist of Chuncheon cultural cluster.

Criticism on Cho Ji-hoon's Recognition of Han Yong-un (조지훈의 한용운 인식방법 비판)

  • Lee, Sun-yi
    • Cross-Cultural Studies
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    • v.45
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    • pp.85-107
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    • 2016
  • Cho Ji-hoon was a leading figure on the discussion of recognition on Han Yong-un, particularly the post-liberation period. During the Japanese colonial era, he addressed Han Yong-un as the representative of national poet, and evaluated Han's poems as the models of rebellious nationalistic poetry. Such evaluation by Cho set the precedent of basic perspectives and methodologies on how to recognize Han Yong-un in the present day. This paper analyzes three studies on Han Yong-un, conducted by Cho ji-hoon. We also examine how Cho created his logic of recognizing Han as a national poet, and his poems as nationalistic poetry. Accordingly, this paper has separated recognitions on poet studies and work studies, and further explored how each recognition has consistency with Cho ji-hoon's historical and literary perception. As a result, the following has been concluded: the basis of Cho ji-hoon's recognition on the life and works of Han Yong-un was premised on Cho's understanding of the world from a standpoint of history of ideas, the concept of nation was regarded as an absolute value that binds disparate ideas together, and the combination of nationalism and poetry has been expressed through the logic of nationalistic poetry and the notion which equalizes the poet to a classical scholar. It was further concluded that such equalizing logic contains some logical contradictions derived from integration between universal rights and national sovereignty, and nation and Buddhism. Therefore, it can be said that other possible interpretations on the role of a poet were not fully discussed, but remain bounded. Last but not the least, this paper critically tries to perceive Cho's recognition on Han Yong-un, and accentuates the necessity of new interpretations of Han's poems, apart from those based on nationalism.

Seismic behavior of K-type eccentrically braced frames with high strength steel based on PBSD method

  • Li, Shen;Wang, Chao-yu;Li, Xiao-lei;Jian, Zheng;Tian, Jian-bo
    • Earthquakes and Structures
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    • v.15 no.6
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    • pp.667-685
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    • 2018
  • In eccentrically braced steel frames (EBFs), the links are fuse members which enter inelastic phase before other structure members and dissipate the seismic energy. Based on the force-based seismic design method, damages and plastic deformations are limited to the links, and the main structure members are required tremendous sizes to ensure elastic with limited or no damage. Force-based seismic design method is very common and is found in most design codes, it is unable to determine the inelastic response of the structure and the damages of the members. Nowadays, methods of seismic design are emphasizing more on performance-based seismic design concept to have a more realistic assessment of the inelastic response of the structure. Links use ordinary steel Q345 (the nominal yielding strength $f_y{\geq}345MPa$) while other members use high strength steel (Q460 $f_y{\geq}460MPa$ or Q690 $f_y{\geq}690MPa$) in eccentrically braced frames with high strength steel combination (HSS-EBFs). The application of high strength steels brings out many advantages, including higher safety ensured by higher strength in elastic state, better economy which results from the smaller member size and structural weight as well as the corresponding welding work, and most importantly, the application of high strength steel in seismic fortification zone, which is helpful to popularize the extensive use of high strength steel. In order to comparison seismic behavior between HSS-EBFs and ordinary EBFs, on the basis of experimental study, four structures with 5, 10, 15 and 20 stories were designed by PBSD method for HSS-EBFs and ordinary EBFs. Nonlinear static and dynamic analysis is applied to all designs. The loading capacity, lateral stiffness, ductility and story drifts and failure mode under rare earthquake of the designs are compared. Analyses results indicated that HSS-EBFs have similar loading capacity with ordinary EBFs while the lateral stiffness and ductility of HSS-EBFs is lower than that of EBFs. HSS-EBFs and ordinary EBFs designed by PBSD method have the similar failure mode and story drift distribution under rare earthquake, the steel weight of HSS-EBFs is 10%-15% lower than ordinary EBFs resulting in good economic efficiency.

Development of Index of Park Derivation to Promote Inclusive Living SOC Policy (포용적 생활 SOC 정책 추진을 위한 공원결핍지수 개발 연구)

  • Kim, Yong-Gook
    • Journal of the Korean Institute of Landscape Architecture
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    • v.47 no.5
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    • pp.28-40
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    • 2019
  • In order to resolve the imbalances in the supply of living SOCs according to socio-economic status, location, and population groups, the discussions on inclusive city policies are expanding. The purpose of this study is to propose an Index of Park Derivation (IPD) as an alternative indicator for the promotion of an inclusive urban park policy that can be applied in the 7 major metropolitan cities to select a region with a relatively high park needs. The main research results are as follows. First, the concept of an inclusive urban park policy is defined as "a policy to supply to manage high-quality park services with priority given to areas with low socio-economic and environmental status, such as a large amount of elderly, children, low-income families, areas vulnerable to disasters, such as heat and fine dust, and population groups." Second, we developed the index of park derivation (IPD), which is a combination of 17 variables including park service level, demographic characteristics, economic and educational level, health level, and environmental vulnerability. The variables that constitute the index of park deprivation (IPD) can be applied to SOC policies outside the parks, such as sports facilities, daycare centers, kindergartens, and public libraries. Third, applying index of park deprivation (IPD) to 1,148 Eup/Myeon/dong areas of the 7 metropolitan cities resulted in areas with relatively high park service needs. This study implies that the central and the local government suggest an alternative index to promote an inclusive urban park policy based on statistical and geographical information and data that can be easily accessed and utilized.

Social Value and Intangible Assets (사회적 가치와 무형자산)

  • Jeong, Kwang-Hwa;Lee, Sang-Ryul;Kim, Yi-Bae
    • Asia-Pacific Journal of Business
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    • v.11 no.3
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    • pp.153-167
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    • 2020
  • Purpose - The purpose of this study is to examine whether social value-related expenditures can be recognized as intangible assets in financial statements. Design/methodology/approach - This study examined social values defined in the economic and management fields and analyzed whether the social values have the characteristics of intangible assets. For this, the general definition of social value was derived from the concept of social value covered in previous studies. Next, we reviewed the definitions and recognition requirements for intangible assets under the current accounting standards. Based on this, we tried to suggest new criteria and disclosure methods for reporting social value-related expenditures that are not currently reported in financial statements as intangible assets in the financial statements and notes. Findings - First, as a criterion for recognizing social value-related expenditure as an intangible asset, we propose a relationship between social value-related expenditure and enterprise value. Where social value-related expenditures have a statistically significant positive impact on corporate value, they are recognized as intangible assets. If social value-related expenditures have a statistically significant negative influence on business value, or the impact of social value-related expenditures on the enterprise value is not statistically significant, it is not recognized as asset. Second, new disclosure plans are proposed according to the combination of intangible assets by category and the relevance of enterprise value. After dividing social value-related expenditures into separate intangible asset categories, if social value-related expenditures have a statistically significant positive impact on corporate value, they are recognized as intangible assets in the financial statements. If expenditures have a statistically significant negative impact on business value, they should be recorded as essential notes. Finally, if the impact of social value-related expenditure on corporate value is not statistically significant, it should be listed as a supplement. Research implications or Originality - This study contributes to the concurrent research in that it is a priori study on whether social value-related expenditure can be recognized as an asset. This study suggests that the economic effect of social expenditure can be recognized in corporate financial statements, thereby providing companies with justification and effectiveness of social value-related expenditure.