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Land Cover Change Detection in the Nakdong River Basin Using LiDAR Data and Multi-Temporal Landsat Imagery (LiDAR DEM과 다중시기에 촬영된 Landsat 영상을 이용한 낙동강 유역 내 토지피복 변화 탐지)

  • CHOUNG, Yun-Jae
    • Journal of the Korean Association of Geographic Information Studies
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    • 제18권2호
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    • pp.135-148
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    • 2015
  • This research is carried out for the land cover change detection in the Nakdong River basin before and after the 4 major rivers restoration project using the LiDAR DEM(Digital Elevation Model) and the multi-temporal Landsat imagery. Firstly the river basin polygon is generated by using the levee boundaries extracted from the LiDAR DEM, and the four river basin imagery are generated from the multi-temporal Landsat-5 TM(Thematic Mapper) and Landsat-8 OLI(Operational Land Imager) imagery by using the generated river basin polygon. Then the main land covers such as river, grass and bare soil are separately generated from the generated river basin imagery by using the image classification method, and the ratio of each land cover in the entire area is calculated. The calculated land cover changes show that the areas of grass and bare soil in the entire area have been significantly changed because of the seasonal change, while the area of the river has been significantly increased because of the increase of the water storage. This paper contributes to proposing an efficient methodology for the land cover change detection in the Nakdong River basin using the LiDAR DEM and the multi-temporal satellite imagery taken before and after the 4 major rivers restoration project.

The Study on Casinos & Gaming Industry in South America Based on Market Analysis & Implications (남미 카지노 및 게이밍산업의 이해와 시사점)

  • Lee, Seung-Koo
    • Korean Business Review
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    • 제23권2호
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    • pp.31-52
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    • 2010
  • The casinos and gaming sector consists of all forms of betting, including commercial, state-run, and charitable operations. The casinos segment comprises gambling in casinos, and includes gaming machine gambling where this occurs on casino premises. The gaming segment covers all other forms of gambling, including national and other lotteries, racing and sports betting, bingo, pachinko, and gaming machines where these are not located on casino premises. All values are stated in terms of gross gaming win. This is the total amount waged by customers minus the total amount paid out to customers as winnings, but before the payment of any applicable taxes, disbursements to charitable or other causes by games established for those purposes, or other expenses. The South American casinos & gaming sector posted strong growth in 2009 and this growth is expected to accelerate during the forecast period. The South American casinos & gaming sector generated total revenues of $9.6 billion in 2009, representing a compound annual growth rate(CAGR) of 15% for the period spanning 2005-2009. In comparison, the Argentinian and Chilian sectors grew with CAGRs of 17% and 21.9% respectively, over the same period, to reach respective values of $2.2 billion and $93.7 million in 2009. The other gaming segment was the sector's most lucrative in 2009, generating total revenues of $7.1billion, equivalent to 74.1% of the sector's overall value. The casino segment contributed revenues of $2.5billion in 2009, equating to 25.9% of the sector's aggregate revenues. The performance of the sector is forecast to accelerate, with an anticipated CAGR of 20.4% for the five year period 2009-2014, which is expected to drive the sector to a value of $24.3 billion by the end of 2014. Comparatively, the Argentinian and Chilian sectors will grow with CAGRs of 10.2% and 7.3% respectively, over the same period, to reach respective values of $3.6 billion and $133.6 million in 2014.

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A Study of the Legal Principles of the Obligation to Compensate for Damage by Unfair Labeling and Advertising Focusing on the Qualitative Analyses of Supreme Court Precedents (부당한 표시·광고의 손해 배상 책임의 법리에 관한 연구: 대법원 판례에 대한 질적 내용 분석)

  • Cho, Jae-Yung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • 제19권3호
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    • pp.180-185
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    • 2018
  • The literature of unfair labeling and advertising(ULA) was reviewed, along with the requirement for establishing an obligation to compensate for damage(OCD) by it based on the Act on Fair Labeling and Advertising(FLAA). ULA covers cases of possible deception or misleading consumers and thereby undermining fair trade order, or making other business entities do so. FLAA regulates OCD by ULA, but the Civil Act should also be considered for its effective results since the Act regards ULA as unlawful and duty bound to make compensation for damages arising therein. In this context, the study analyzed qualitatively 17 supreme court precedents related to OCD by ULA among a total of 119 by advertising to find the characteristics of the judgemental principles. It is found that most principles came from FLAA and the Act focusing on the meaning of false or exaggerated advertising, which is one of the following five ULA types according to its standards of judgment: its requirement for fraudulent acts, the meaning of damage by it, the perspective of calculation of damages, the requirement of OCD, and the characteristics of claim for damages. A more effective policy is suggested based on FLAA and related research should be continually carried on.

A Study on the Identity of the Korean Landscape Architectural Award (대한민국조경대상의 정체성 해석)

  • Hong, Youn-Soon
    • Journal of the Korean Institute of Landscape Architecture
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    • 제39권5호
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    • pp.91-100
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    • 2011
  • This study aimed at the identity of the landscape architectural award, which is the highest authority award system in landscape architecture; the establishment of cooperation between the landscape architecture and urban public sector, which deals with infrastructure is significantly requested nowadays. The identity characteristic of a detailed concept which configures the sameness in the shape of inner self-cognition and individuality as external and correlative cognition are utilized as the research methodology, and the findings are summarized as follows. The Korean Landscape Architectural Award holds an internal value as the only award in landscape architecture that is granted municipalities and public agencies. However, when it is compared with several correlated award systems, the vulnerable sides such as short origin and partly limping in terms of sustainability, the possibilities of losing the interest in the public sector due to management's reform program and insufficient participants and responses regarding social authority have been found. In addition, according to the today's paradigm tha taims for green cities, the aspect that shares the large portion with the values set by detailed categories of city planning that enforces metropolis awards is also in the spotlight. Hence, the landscape architectural award should construct specialization and development strategies by strengthening the superiority compared with the city award in the field of city planning. In other words, the Ministry of Land, not limited to the systematic cooperation with various administrative areas will be strengthened and it will communicate with the aspect that reinforces characters as an academic and practical area that covers various districts and disciplines. Thus, the identity is directly connected to the landscape architectural award's competitive reinforcement as a detailed characteristic variously combined, and it requires huge interest and discussions regarding internal and external landscape architecture areas and the democratic public discussion process.

The Ideal Image and Fashion of the 'New Woman' in Korea in the 1920s and 1930s (1920-30년대 한국의 이상적 '신여성' 이미지와 패션)

  • Yi, Jaeyoon
    • Journal of the Korean Society of Costume
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    • 제64권7호
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    • pp.172-183
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    • 2014
  • The term "new woman" (신여성 [Sinyeoseong], 新女性) refers to an idealized image of contemporary women during the so-called modern period in East Asia. In Korea, these "modern girls" were also referred to as modan (毛斷), or "cut-hair", reflecting changes in appearances that rejected the traditional value system in favor of "the new" in everyday life. Although it was used to refer to the perceived educated leaders of this new period, it also had the negative connotation of referring to frivolous women only interested in the latest fashion. The popular discourse on this "new woman" was constantly changing during this early modern period in East Asia, ranging from male-driven women's movements to women-driven liberal and socialist movements. The discourse often included ideals of what constituted female impeccability in women's domestic roles and enlightened views on housekeeping, yet in most cases the "new woman" was also expected to be a good wife and mother as well as a successful career woman. The concept of the "new woman" was also accompanied by an upheaval in women's social roles and their physical boundaries, and resulted in women repositioning themselves in the new society. The new look was a way of constructing their bodies to fit their new roles, and this again was rapidly reproduced in visual media. Newspapers, magazines, and plays had gained immense popularity by this time and provided visual material for the age with covers, advertisements, and illustrations. This research will explore the fashion of the "new woman" through archival resources, specifically magazines published in the 1920s and 1930s. It will investigate how women's appearances and the images they pursued reflected the ideal image of the "new woman." Fashion information providers, trendsetters, and levels of popular acceptance will also be examined in the context of the early stage of the fashion industry in East Asia, including production and distribution. Additionally, as the idea of the "new woman" was a worldwide phenomenon throughout the 19th and early 20th century, the effect of Japanese colonialism on the structure of Korean culture and its role as a cultural mediator will also be considered in how the ideal image of beauty was sought, and whether this was a western, colonial, or national preference.

An Analysis of Data Management Policies of Governmental Funding Agencies in the U.S., the U.K., Canada and Australia (국외 정부연구비지원기관의 연구데이터 관리정책 분석 - 미국, 영국, 캐나다, 호주를 중심으로 -)

  • Kim, Jihyun
    • Journal of the Korean Society for Library and Information Science
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    • 제47권3호
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    • pp.251-274
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    • 2013
  • This study aims to analyze data management policies offered by 15 government funding agencies in the U.S., UK, Canada, and Australia, and to make recommendations for developing data management policies in Korea. For the analysis of data management policies, five criteria were suggested based on literature review as follows: 1) the definition of research data, 2) principles of data management, 3) data management plan, 4) the implementation of data management, 5) legal and ethical issues. It was found that there was no policy that covers all the criteria for the analysis. Several funding agencies, however, commonly dealt with each criteria in their data management policies. Based on the findings from the analysis, this study made the following suggestions: First, data policies provide definitions and types of research data based on the understanding of data creation in the fields of funding interests. Second, data policies include principles of data management applicable to data practices in Korea. Third, data policies implement data management plans to promote responsibility of researchers for managing data. Fourth, data policies specify data management implementations to facilitate and support data sharing practices. Fifth, data policies should minimize legal and ethical challenges in data sharing through the review of the applicability of related laws and regulations and their improvement.

Analysis of the Aesthetics of the Human Body Portrayed in Front Cover of Women's Magazines Prior to 1945 (1945년 이전 여성잡지 표지화에 나타난 인체미 분석)

  • Lee, Soon-Jae
    • Journal of the Korean Society of Clothing and Textiles
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    • 제30권12호
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    • pp.1737-1746
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    • 2006
  • The purpose of this study is to present a concrete image of the ideal beauty as shown in era preceding 1945 that effects the shaping of our aesthetic values; by analyzing its characteristics through the covers of women's magazines of that period, this research aims to promote the understanding of beauty of the human body. The scope of my research extends throughout the collection of women's magazines stored in the National Library and the Korea Magazine Information Center. The gathered research materials are: 5 kinds of Shin-Yeo-Sung (신여성), 51 kinds Yeo-Sung(여성) and 30 kinds of Ga-Jung-Ji-Woo(가정지우). The result of the research could be summarized as the followings. Before the 1920's in response to the violent opening, there was a trend of sticking to the traditional standard. In the 1920's, the prevalent images of women were meek and fragile. Japanese standard of beauty was explicitly indicated. In the 1930s, as Western movies started to be shown to the general public, western features were idealized and furthermore intelligence was required as a further condition. In the 1940s, preparation of the war led to encouragement of images of motherhood and natural beauty, and resistant to this trend led to pseudoclassicism.

A study on factors affecting the oral health promotion behavior of dental hygiene students and nonhealth-related majors in Gwangju (광주광역시 치위생학생과 일반학생의 구강건강증진행위에 영향을 미치는 요인 연구)

  • Youn, Hye-Jeong;Jung, Eun-Ju
    • Journal of Korean society of Dental Hygiene
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    • 제10권2호
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    • pp.231-242
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    • 2010
  • Objectives : The purpose of this study was to examine the relationship of oral health behavior factors to oral health promotion behavior in dental hygiene students and nonhealth-related majors, to identify factors affecting their oral health promotion behavior and ultimately to provide information on the oral health promotion of college students and behavioral factors related to that. Methods : The subjects in this study were three-year-course dental hygiene students and two-year-course nonhealth-related majors in G college located in the city of Gwangju. A self-administered survey was conducted for 11 days from September 9 to 19, 2009, and the answer sheets from 473 respondents were analyzed. To look for connections between their major and the characteristics of their oral health promotion behavior, t-test was utilized, and t-test and one-way ANOVA were carried out to find out the relationship oral health promotion behavior by general characteristics. Besides, multiple regression analysis was employed to grasp factors affecting oral health promotion behavior. Results : Among the subfactors of oral health promotion behavior, the dental hygiene students statistically significantly outdid the nonhealth-related majors in thorough post-meal toothbrushing(p<0.01), toothbrushing method(p<0.001), use of fluorine-containing dentifrice(p<0.001) and good nutrition(p<0.05). But the latter statistically significantly outperformed the former in use of fluorine-containing rinse(p<0.001) and limited sugar intake(0<0.05). Regarding variables affecting oral health promotion behavior, the age group, whether to get a dental checkup over the last year and whether to use oral hygiene supplies were identified as the variables to impact on oral health promotion behavior. Specifically, the age group(dental hygiene students) and the get a dental checkup over the last year(nonhealth-related majors) had a greater impact. Conclusions : To promote the oral health of college students, comprehensive oral health education should be provided, which covers the importance of dental checkup, recommendation for the use of oral hygiene supplies, etc. Specifically, oral health education should be offered as one of general education courses in order for nonhealth-related majors to get into sound life habits and improve their oral health promotion behavior. To make it happen, required institutional measures should be taken.

Design and Prototyping of Lifting Devices for Manhole Cover using Structural Analysis and 3D Printing (3D 프린팅과 구조해석을 이용한 맨홀의 부양장치 설계 및 제작)

  • Lee, Hyoungwook
    • Journal of the Korea Academia-Industrial cooperation Society
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    • 제19권10호
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    • pp.648-654
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    • 2018
  • In order to maintain manholes installed on the road, the manhole should be easy to open and close. Manhole covers under harsh conditions require that they can be lifted when attempting to open the manhole because the frame and cover are stuck and difficult to open and close. In this study, the design of a lifting mechanism was carried out to improve and integrate the locking type manhole. The mechanism of the locking manhole is that when the bolt located at the center is turned, the hub connected with the bolt descends, and the hook connected to the hub is rotated. The end of the hook is hooked to the manhole frame. The auxiliary device was installed on the hook so that the manhole cover can be lifted. The structure was designed to endure about 300kg of lifting force based on 70% of the yield stress of the hook to perform lifting function. The shape design was performed through the structural analysis using the finite element method. First, the basic design was performed with the simplified 2-dimensional model and the attachment position and shape were designed through the 3-dimensional model. In order to find out the structural problems of the designed shape, the scale downed model was fabricated through 3D printing and confirmed that the lifting function worked. Finally, it was confirmed that both the locking and the average lifting of about 6.1 mm can be done by applying the lifting mechanism through the machining and applying it to the existing locking manhole.

The Relationships between Allergy and Weakness in Children in Seong-Dong District (성동구내 어린이집 어린이의 알레르기 질환과 허약아의 실태 및 관련성에 대한 보고)

  • Park, You-Jin;Yoon, Ji-Yeon;Myoung, Sung-Min
    • The Journal of Pediatrics of Korean Medicine
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    • 제24권2호
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    • pp.112-125
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    • 2010
  • Objectives The purpose of this study is to find the relationships between the allergy and weakness in children in Seong-Dong district. Methods 802 day care centers children were participated for survey on allergic disease, risk factors, and weakness. From the result, we analyzed the relationships between the aforementioned factors. Results 1. 802 children were participated for the survey. We eliminated survey answers with unclear answers, and selected 792 survey sheets as our final subject of study. The age of majority of subjects(720 children) were between one to six years old, and the others were under the age of one and over seven. 2. The prevalence rate of asthma in a lifetime was 6.69%, allergic rhinitis was 14.87%, atopic dermatitis was 28.82%, allergic conjunctivitis was 6.29%, food allergies was 9.58%, and drug allergies was 1.4%. In 2009, the prevalence rate of allergies during treatments is 6.69% for asthma, 13.41% for allergic rhinitis, 13.64% for atopic dermatitis, 4.13% for allergic conjunctivitis, 5.23% for food allergies, 0.96% for drug allergies. 3. The significant risk factors were types of dwelling, pet with fur, dirty environments without vacuum cleaners, the numbers of times bed covers were washed, frequency of air ventilation, changes in body after moving, family history. 4. The distribution of the number of children with weakness within the five visceras were respiratory weakness, digestive weakness, psychoneurologic weakness, neuromotor weakness, and urogenital weakness in the order of most to the least. More specifically, children who only has respiratory weakness were the majority, while children who have respiratory and digestive weaknesses, children who have respiratory, digestive, and psychoneurologic weaknesses, children who have respiratory and psychoneurologic were followed. 5. With the exception of children with urogenital weakness, Most of the children with respiratory weakness, digestive weakness, psychoneurologic weakness, and neuromotor weakness had been treated for allergies in 2009, while children who were diagnosed with allergic diseases at least once in their lifetime most likely had weak respiratory, digestive or psychoneurologic systems. Conclusions The results of this study showed that there was a correlation between children with weak viscera and children with allergic diseases. However, further research would be necessary.