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홈 네트워크 시스템에서 x.509 v3 인증서를 이용한 사용자 인증 및 접근제어 시스템의 구현 (Implementation of user authentication and access control system using x.509 v3 certificate in Home network system)

  • 이광형;이영구
    • 한국산학기술학회논문지
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    • 제11권3호
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    • pp.920-925
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    • 2010
  • 본 논문은 유무선 네트워크와 댁내 가전기기로 구성된 홈 네트워크 시스템은 각종 외부 위협요소로부터의 사이버 공격 대상이 될 수 있을 뿐만 아니라 해킹, 악성코드, 웜 바이러스, DoS공격, 통신망 도청 등의 보안취약성을 가지고 있다. 이로 인해 사생활 침해, 개인정보의 노출, 개인정보의 도용 등 많은 문제가 발생한다. 따라서 홈 네트워크상에서 해당 사용자의 자산 및 개인정보를 보호할 수 있는 보안 프로토콜의 필요성은 점차 증대되어가고 있다. 따라서 본 논문에서는 공개키 인증서를 이용하여 사용자를 인증하고 인증된 정보를 기반으로 해당 기기에 대한 권한을 차등 부여함으로서 허가 받지 않은 사용자로부터의 댁내 자산 및 개인 정보를 보호할 수 있는 사용자 인증과 접근제어 기술을 이용한 홈 네트워크 보안 프로토콜을 설계하고 제안한다.

민주주의, 언론 그리고 담론정치 -파업에 대한 미디어 프레임 변화를 중심으로 (Democracy, The Media and Discourse Politics -Case Study about Media's Intervention in Representing Labor Strikes)

  • 최종환;김성해
    • 한국언론정보학보
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    • 제67권
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    • pp.152-176
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    • 2014
  • 1987년 6월 민주항쟁이후 한국의 민주주의는 많은 굴곡을 겪고 있다. 민주화 직후 국민적 공감대를 받았던 노동자 파업은 외환위기를 계기로 '귀족노조', '집단이기주의', '공익훼손' 과 같은 부정적 인식에 시달리고 있다. 담론 생산자 및 유통자로서 언론은 노동운동에 대한 국민의 부정적 인식과 정서에 결정적인 영향을 미치고 있다. 과연 언론은 노동운동을 어떻게 재구성하고 있을까? 노동운동에 대한 미디어 담론은 언론사별로, 정권별로 어떤 차이가 있으며 어떤 변화를 겪고 있을까? 본 연구는 이러한 문제에서 출발했으며 공정하고 균형 있는 중재자로서 언론의 규범적 가치를 성찰하는 계기를 마련하고자 했다. 분석사례로 김대중, 노무현, 이명박, 박근혜 정부 기간 동안 파장이 컸던 의약분업, 화물연대, 쌍용차, 철도노조 파업을 선정했다. 분석대상은 "동아일보", "서울신문", "한겨례" 등 종합지에 등장한 사설 217개였다. 전반적으로 "동아일보"는 분쟁의 원인보다는 기득권과 기존질서를 옹호하는 입장이 강했다. "서울신문"은 원만한 문제해결을 위해 상호간 합의를 강조했으며 폭력적인 정부와 노조의 불법 행위 모두를 비판했다. "한겨례" 신문은 정부 비판에 집중하면서 원론적 수준의 대안을 강조했다. 분석결과 언론은 정부별 국정방향에 영향을 받았으며, 자의적으로 의제를 확대 재생산하는 것으로 밝혀졌다. 연구진은 이 연구를 통해 언론을 통한 담론정치의 실체를 드러내고 건전한 민주주의를 위한 언론의 역할을 고민하는 계기를 마련하고자 했다. 정권별 이해관계와 언론사의 정파성 등이 담론을 통해 정치적 영향력을 발휘하게 되는 메카니즘을 보여줌으로써 미디어 담론에 대한 성찰의 기회를 제공했다는 것도 이 연구의 의미다.

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라디오 프로그램 <여성시대> 분석 : 여성주의적 공간의 가능성 (Text Analysis of : Possibilities of Feminist Sphere in Radio)

  • 김은정
    • 한국언론정보학보
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    • 제16권
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    • pp.36-70
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    • 2001
  • The purpose of this study is to investigate women's radio talk program and evaluate its possibilities and limitation from the point of feminist perspective. The theoretical framework is based on feminist studies and text analysis of talk show. Existing studies regarding talk show are mainly focused on television. But radio talk show is one of general entertainment and it's influences on minorities are still significant. is the most representative women's radio talk program in Korea. It has been broadcasted over 10 years and very popular among Korean housewives. The audience of this program call themselves schoolfellow, and call the program 'school of women'. The media text of is mainly consisted of letters from women audiences, and they are selected by producers. So the text is made by both audiences and producers. The unique combination of this process produces complicated discourses which contain women's experiences in letters and station's considerations through safekeeping. The problems investigated in this study are as follows: First, What discourses are produced in this program? Second, Alternative possibilities can be seen in this program in feminist perspectives? Text analysis of 1week(2000.9.18-9.24) and interview with producers are accomplished to this purposes. In the text analysis, subject matters, inscribed women's position, values of the letters are revealed. Most of the subject matters are family affairs. Some are socially oriented but family and home are the predominant category of women's letters. And the position of women subject is defined in the domestic network. They are nameless but the mother, wife, daughter, daughter-in-law of other people. In value, family-oriented value and small happiness in everyday life are generally appeared. But these values are essentially coincide with the values of status quo. The answers of the conflict are not public but individualized. And acception the status quo is presented as the wisest decision, But ` has many implications in relation to women's sharing of their experience, and construction of imagined community in media. Women continuously interact each other revealing and discussing their experiences and sometimes their social practices are stirred through this media sphere. So we see the 'emotional union' among women are formed through radio. The limitation of this program is very apparent: it's patriarchic values, acception of status quo, and individualization of the women's problems. But in the same time we can read coexisting it's latent possibilities: the possibilities of women's public sphere. But it is completely alternative women's sphere in feminist perspectives. It renders women opportunities to participate public media and share with other women, and collaborate with their problem.

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都市林學(Urban Forestry)의 學問的 體系와 都市綠地空間에 對한 適用 硏究 (Urban Forestry's Scientic System and it's Application to Urban Openspace)

  • 조영환
    • 한국조경학회지
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    • 제18권3호통권39호
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    • pp.171-190
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    • 1990
  • It is the purpose of this study to address how to manage the urban vegitation using the concept of Urban Forestry which is relatively new to Korea. When we consider the Urban Forestry as a science, We should understand it interdisciplinary subject which includes Forestry, Horticulture, Urban Planning, Landscape Design, Landuse Planning, Business and Humanities. It may say that people and tree are the fundermental components of Urban Forestry. So there are two ways of Urban Forestry Applications-How people care for trees and How trees care for People-. For the application, this study places the focus on the monetary valuation, tree inventory system and traditional forestry application to urban forest management. Pubic Relation, Communication, Ordinances and Budget are also mentioned as a part of Urban Forestry Policy. Monetary valuation of trees and forests is very important for the proper cognition of their real value. So that, they may be equated and weighed against conflicting uses which would cause to be removed or severely mutilated. A tree inventory system which is the essential part of urban tree management can provide the pertinent information about the present condition of urban tree resource. It may aid in reducing the subjectivity of tree management decisions and stimulate them to be made rapidly and can help reduce potential municipal liability by identifying serious problems in time for corrective maintenance practices to be applied for the maximize community benefits and minimimize public nuisances or hazards. Managers can derive the information from the inventory and use it for the various management plan. When we see the structure of tree inventory system as one of the data base management system, Computer is the best equipment for the efficient management plan. Public relation and communication is also important factors to care the people for urban vegetation management. Volunteer management system is a good example for the public relation and communication. Those skills are need to develop for using the priceless, valuable human resources. Budget holds the key to the execution of Urban Forestry. Good inventory can provide for efficient budgeting stratiges through it's scientific analysis for the way of maximum benefits and minimum costs. Forest can be play a vital role for the aesthetic improvement and recreation in the city. This study suggests that the traditional sivicultural application not only improve the quality of scenic beauty and recreation but also the products of timber. So it is more needed to study for strong and scientific application to urban forest management.

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시장분석 및 영업관리 역량 강화를 위한 통신사의 GIS 적용 사례 (GIS-based Market Analysis and Sales Management System : The Case of a Telecommunication Company)

  • 장남식
    • 지능정보연구
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    • 제17권2호
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    • pp.61-75
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    • 2011
  • 시설물이나 토지, 도로, 방재 등 다방면에서 GIS의 효과성이 입증됨에 따라 최근 들어 상권이나 고객, 영업 관리 등에 GIS를 도입하여 시장분석 및 영업관리 역량을 강화하려는 민간 기업들이 증가하고 있다. 본 사례 연구에서는 날로 치열해지고 있는 통신시장의 경쟁환경 속에서 K사가 정교한 상권 및 고객 분석 역량을 확보하기 위해 GIS 영업정보 시스템을 구축 한 전 과정과 영업현장에서의 시스템 활용방안 등을 살펴보았다. 전사적으로 시스템을 오픈한 후 지사들로부터의 반응은 담당 관할구역에 대한 경쟁상황 파악 및 일/월 추세조회가 용이해 졌고, 왜곡되지 않은 실제 데이터를 제공받아 제한된 시간 내에 정확한 타겟 고객 선정이 가능해졌으며, 동별 시설분포와 같은 시설물 관련정보를 영업활동에 활용할 수 있어 매우 효과적이었다는 등이 주를 이루었다. 이와 같은 과정과 결과를 정리함으로써 향후 GIS 영업정보시스템 구축을 고려하고 있는 타 조직이나 기업들에게 의미 있는 가이드라인을 제시할 수 있기를 기대한다.

Causes of Delay in Seeking Treatment in Patients with Breast Cancer in Iran: a Qualitative Content Analysis Study

  • Rastad, Hadis;Khanjani, Narges;Khandani, Behjat Kalantari
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권9호
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    • pp.4511-4515
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    • 2012
  • Background: In the Middle East, including Iran, breast cancer is the most frequent malignancy among women. Without treatment, a malignant breast tumor advances in stage, diminishing a woman's chances of survival. In this study we aimed to gain insight into the causes of delay in seeking treatment in patients with breast cancer. Methods: The participants in this qualitative, content analysis study were 10 women in whom a diagnosis of breast cancer in the stages of II b, III or IIV had been made. They were selected from patients of a major oncology clinic in Kerman, Iran. Data were collected by means of semi-structured interviews that lasted between 20 to 30 minutes. Sampling was discontinued when data saturation was achieved. Content analysis was conducted by classifying the data into themes and sub-themes. Results: The results of our study revealed several factors that interfered with patients' professional consultation seeking and prompt treatment. These factors included; lack of knowledge, fear of being diagnosed with cancer, not seeing oneself at risk, mental preoccupation and wrong diagnosis by physicians. Conclusions: This study suggests that women and even physicians need further information about breast cancer symptoms. Women need encouragement to seek medical advice when they encounter suspicious symptoms. Additionally, women may benefit from awareness of the pros of early detection and reassurance about the improvements in the success of breast cancer treatment.

Factors Influencing Vaccination in Korea: Findings From Focus Group Interviews

  • Park, Bomi;Choi, Eun Jeong;Park, Bohyun;Han, Hyejin;Cho, Su Jin;Choi, Hee Jung;Lee, Seonhwa;Park, Hyesook
    • Journal of Preventive Medicine and Public Health
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    • 제51권4호
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    • pp.173-180
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    • 2018
  • Objectives: Immunization is considered one of the most successful and cost-effective public health interventions protecting communities from preventable infectious diseases. The Korean government set up a dedicated workforce for national immunization in 2003, and since then has made strides in improving vaccination coverage across the nation. However, some groups remain relatively vulnerable and require intervention, and it is necessary to address unmet needs to prevent outbreaks of communicable diseases. This study was conducted to characterize persistent challenges to vaccination. Methods: The study adopted a qualitative method in accordance with the Consolidated Criteria for Reporting Qualitative Research checklist. Three focus group interviews were conducted with 15 professionals in charge of vaccination-related duties. The interviews were conducted according to a semi-structured guideline, and thematic analysis was carried out. Data saturation was confirmed when the researchers agreed that no more new codes could be found. Results: A total of 4 main topics and 11 subtopics were introduced regarding barriers to vaccination. The main topics were vaccine hesitancy, personal circumstances, lack of information, and misclassification. Among them, vaccine hesitancy was confirmed to be the most significant factor impeding vaccination. It was also found that the factors hindering vaccination had changed over time and disproportionately affected certain groups. Conclusions: The study identified ongoing unmet needs and barriers to vaccination despite the accomplishments of the National Immunization Program. The results have implications for establishing tailored interventions that target context- and group-specific barriers to improve timely and complete vaccination coverage.

디자인 경영전략 관점에서 디자인 아이덴티티를 통한 기업이미지에 대한 사용자의 시각적 경험 연구 -통신서비스기업 KT의 디자인경영 사례를 중심으로- (A Study on the Visual Experience of Users about Corporate Image and Design Identity from the Perspective of Design Management Strategy - Focus on Design Management Case of KT Communication Service Corporation -)

  • 허진주;고혜영;강이환
    • 한국멀티미디어학회논문지
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    • 제19권5호
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    • pp.957-969
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    • 2016
  • The corporate image is one of the key elements improving competitiveness of the business, and is conveyed to the public through a design management strategy and its activities with design identity. Therefore, it is important to enhance the corporate image through systematic design management. Recently, in the field of communication services, as a technical gap between corporations has been narrowed, and the importance of design has been magnified, more and more corporations have adopted the design management. It is, however, not easy to build and convey the corporate image to the public systematically, because not only do the corporations run a communication service, the corporations face various business areas and targets. In this study, we analyzed the relationship between the intended image of the corporate and users' visual experiences based on the surveys on the case of KT, which pioneered design management and has made outstanding design results. According to the result, KT's strategic image concepts have positive effects on users' visual experience in each subarea of its design identity. In conclusion, it is necessary to narrow the gap between users' experiences and images that a corporate intends to convey through continuous research on users' experiences and improvement in a design management system.

DGPS/Echo Sounder 조합에 의한 호퍼준설량 산정 (The Estimation of Hopper Dredging Capacity by Combination of DGPS and Echo Sounder)

  • 김진수;서동주;이종출
    • 한국측량학회지
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    • 제23권1호
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    • pp.39-47
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    • 2005
  • 본 연구에서는 오늘날 해상측량에서 주로 사용되고 있는 DGPS기법과 음향측심기를 조합하여 취득된 해저지형의 3차원 위치정보를 크리깅(kriging), RBF(radial basis function), 최근린(nearest neighbor) 보간법을 이용하여, 항만공사에서의 호퍼준설량을 산정하였다. 또한, 각각의 보간법에 의해 산정된 호퍼준설량과 실제 준설량을 비교·분석함으로써, 준설량 산정에 있어 DGPS/Echo Sounder 기법의 활용성을 확인할 수 있었다. 그 결과, 크리깅 보간법을 적용한 경우 내용적 차이는 15,364㎥로 약 1.89%의 오차율을 나타내었으며, RBF 보간법과 최근린 보간법을 적용한 경우에는 각각 3.9%, 4.4%의 오차율을 나타내었다. 향후, 항만공사에서의 준설량 산정에 있어서 해저지형의 특성에 따른 적합한 보간법 적용에 관련한 연구가 선행될 경우, 보다 신속하고 정확한 준설량을 산정 할 수 있을 것으로 기대된다.

Opportunistic Insights into Occupational Health Hazards Associated with Waterpipe Tobacco Smoking Premises in the United Kingdom

  • Al-Bakri, Ali;Jawad, Mohammed;Salameh, Pascale;al'Absi, Mustafa;Kassim, Saba
    • Asian Pacific Journal of Cancer Prevention
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    • 제16권2호
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    • pp.621-626
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    • 2015
  • Background: Smokefree laws aim to protect employees and the public from the dangers of secondhand smoke. Waterpipe premises have significantly increased in number in the last decade, with anecdotal reports of poor compliance with the smokefree law. The literature is bereft of information pertaining to waterpipe premise employees. This study aimed to opportunistically gather knowledge about the occupational health hazards associated with working in waterpipe premises in London, England. Materials and Methods: Employees from seven convenience-sampled, smokefree-compliant waterpipe premises in London were observed for occupational activities. Opportunistic carbon monoxide (CO) measurements were made among those with whom a rapport had developed. Observations were thematically coded and analysed. Results: Occupational hazards mainly included environmental smoke exposure. Waterpipe-serving employees were required to draw several puffs soon after igniting the coals, thereby providing quality assurance of the product. Median CO levels were 27.5ppm (range 21-55ppm) among these employees. Self-reported employee health was poor, with some suggestion that working patterns and smoke exposure was a contributory factor. Conclusions: The smokefree law in England does not appear to protect waterpipe premise employees from high levels of CO. Continued concerns surrounding chronic smoke exposure may contribute to poor self-reported physical and mental wellbeing.