• 한국학교보건학회지
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• 제20권2호
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• pp.35-46
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• 2007

Purpose: To investigate the sexuality awareness of elementary school students according to viewing internet obscenity. Methods: The subject of this study was total 594 students of 6th grade at 3 primary schools in Gyunggi-do. The data were collected through a self-reporting questionnaire from December, 11 to December, 18, 2006. Results: 1. 19.2°% of respondents viewed internet obscenity. As for the first time they viewed it, 41.2% of respondents was when they were 6th grade students. Fifty percents of respondents viewed intemet obscenity accid ntly while surfing through the internet. As for the places where they viewed internet obscenity, 59.6% of respondents was at their house. Fifty percents of respondents answered that they felt no feeling after they viewed internet obscenity. There was a significant difference in viewing intemet obscenity according to gender. 2. The mean score of sexuality awareness was 46.4. There were significant differences in sexuality awareness according to gender, school record, and understanding about prohibition of the teenagers' viewing internet obscenity. Conclusion: We should provide lower grade students health education on internet obscenity preventive program at the home and school.

• 한국도서관정보학회지
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• 제31권4호
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• pp.111-138
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• 2000

이 연구는 인터넷자원의 분류를 위한 새로운 정보통신기술 분야 분류체계를 작성하는데 필요한 기초자료를 제공하고자, 첫째, 정보통신의 개념과 정보통신 기술의 구분을 관련 문헌을 조사하여 분석하고, 둘째, 정보통신기술 분야 인터넷 자원을 분류함에 있어서 기존의 문헌분류체계의 적용과 관련하여 십진분류표, 비십진분류표 민 특수분류표로 나누어 그 분류체계를 파악하며, 셋째, 디렉토리 검색엔진을 이용한 분류에 대해서 국내외의 관려 웹사이트를 조사·분석하였다. 아울러 분석결과를 토대로 정보통신기술 분야의 새로운 분류체계의 구성 방안을 제시하였다.

• 한국CDE학회논문집
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• 제12권4호
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• pp.233-244
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• 2007

Web Services are a distributed component technology based on XML and Web. The Web Services are used to integrate heterogeneous systems under the distributed environment. In this study, the concept of Web Services for CAD (WSC) is introduced, which aims at interoperation with CAD systems using the Web Services. This paper introduces one part of the WSC which enables remote users or applications to retrieve the geometries and the design history of CAD models using the Web Services. This paper proposes an architecture of the WSC, the data model and the interfaces for retrieving CAD model information, and the way to apply the WSC to commercial CAD systems.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2000년도 ITC-CSCC -1
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• pp.533-536
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• 2000

In this paper, we proposed high performance packet forwarding engine for asynchronous transfer mode(ATM) based gigabit routers. The forwarding engine is based on ATM switch and accommodates four 622Mbps ports. The forwarding engine has been designed to be able to process the Intemet protocol(IP) packet at 2.5Gbps using the pipelined If header processing and lookup control mechanism. For high performance packet forwarding, we used content addressable memory(CAM) based routing coprocessor operating in hardware and implemented the pipelined lookup control function into a field programmable gate array(FPGA). The pipelined packet header processing mechanism enhanced the forwarding performance of the If packets ingressed from four different 622Mbps ports. Moreover, the If lookup controller designed to have the performance up to 12.5Mpps. The proposed forwarding engine is also designed to support differentiated services(DS) and multiprotocol label switching(MPLS).

• 한국통신학회논문지
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• 제29권5B호
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• pp.491-497
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• 2004

본 논문에서는, 인터넷 백본 네트워크상에서 악성의 네트워크 공격 트래픽을 고립시킴으로서 네트워크 인프라를 보호하기 위한 트래픽 제어 방법을 제안한다. 제안된 방법은 개별 플로우 또는 개별 패킷들에 기반을 둔 기존의 방법들과 달리 제안된 공격 탐지 및 제어 방법은 집합된 트래픽 수준에서 운영되므로 계산의 복잡성을 현저히 줄일 수 있으므로 네트워크 공격에 대한 전역 인프라 구축에 활용 가능하다. 실험 결과는 제안된 방법에 의한 트래픽 제어가 네트워크 공격이 이루어질 시 정상 트래픽과 네트워크 자원들을 적절히 보호할 수 있음을 보여준다.

• 정보보호학회논문지
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• 제13권6호
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• pp.163-172
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• 2003

본 논문에서는 인터넷 멀티캐스트 환경하에서의 멀티미디어 스트리밍 데이터에 대한 인증 메커니즘을 제안한다. 최근, 신뢰성 있는 멀티캐스트 전송에 응용되어지고 있는 패킷 계층에서의 전방 오류수정부호를 멀티캐스트 인증 메커니즘과 연동시킨다. 이와 관련하여, 전송과정에서 일부 패킷들이 손실되어진다고 할지라도 다른 패킷들에 대한 개별 인증에는 영향을 미치지 않게 하기 위하여 Reed-Solomon 삭제부호를 적용한다.

• 한국학교보건학회지
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• 제20권2호
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• pp.59-68
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• 2007

Purpose: The purpose of this study was to investigate the difference of sexual behaviors of college students according to internet pornography contact. Methods: Subjects consisted of 472 students of K college located in chungcheongbuk-do. The data were collected through a self-administered questionnaire from May, 21 to May, 31, 2007. Results: Eighty-seven percent (87.3%) of respondents contacted internet pornography. As for the first time they contacted it, forty-eight percent(48.3%) contacted it when they were middle school students. Forty-three percent(43.6%) contacted it one time per several months and twenty-one percent(21.2%) contacted it within 10 minutes. Sexual behaviors(hand grasping, hugging, kiss, masterbation, coitus, pregnancy, love expression in public place) showed significant differences according to Internet pornography contact experience, period, frequency, and time. Conclusion: College administration should investigate sexual behavior patterns according intemet pornography contact and provide all college students regular sexual health promotion program.

• Journal of Biosystems Engineering
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• 제24권3호
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• pp.267-274
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• 1999

An internet and network based software and related interface have been developed, which can remotely control and manage an on-site operating system. Developed software modules were composed of two parts: monitoring/management modules and control/diagnosis modules were developed for the network status, warehouse, production and selling status. Modules of control with diagnosis were developed for the on-site operating system and interface. Each module was integrated and the whole modules have been tested with an automatic mushroom grading/sorting system which was built in a laboratory. Developed software modules worked successfully without any uncommon situations such as system down caused by the software or data transfer error. Each software module was developed independently in order to apply easily to other existing on-site systems such as rice processing centers, fruit and vegetable sorting, packaging and distribution centers scattered over the country.

• 한국콘텐츠학회논문지
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• 제4권4호
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• pp.107-112
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• 2004

최근 인터넷 서비스는 빠르게 진화하면서, 데이터의 고속화뿐 아니라 트래픽 소스의 특징에 따른 QoS(Quality of Service)의 보장 요구가 극대화 되어가고 있다. 이에 따라서 인터넷 서비스 기술 또한 급변해가고 있으며, 기존의 네트워크 서비스 기술에 QoS를 보장하는 기술이 개발되거나 또는 새로운 QoS를 보장하는 네트워크 모델이 제시되기도 한다. 본 논문에서는 QoS를 보장하기 위해 IETF(Internet Engineering Task Forc)에서 제시한 DiffServ-aware-MPLS 네트워크를 기존의 네트워크 모델과 비교 분석함으로써, 상대적 우수함을 보이며, 차세대 네트워크를 구성하는 방향을 제시하고자 한다.

• 한국학교보건학회지
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• 제20권2호
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• pp.47-57
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• 2007

Purpose: The purpose of this study is to find out the correlation between internet addiction and school adjustment of 3rd and 4th graders in elementary schools. Methods: The subjects were 689 graders from five schools in five districts, located in G, Korea and the data were collected ficxn April 18 to May 15, 2005. A scale consisting of 25 questions were developed as an instrument for testing internet addiction and a further 25 questions were developed for examining school Adjustment. The data was analyzed by testing frequency, percentage, means, standard deviation, t-test, ANOVA, Scheffe test and Pearson's Correlation using SPSS/PC 10.0. Results: The results were as follows: The degree of internet addiction tendency were 6.0% of addiction, 24.2% of borderline and 69.8% of non-addiction. There were significant differences in school adjustment in terms of the degree of internet addiction(F=39.88, p< .05) and significant negative correlation between the degree of internet addiction and the school adjustment; the more they used to the internet, the lower school adjustment they have(r=- .376, p< .05). Conclusion: Those graders who started using the internet at an earlier age, were found to have increased levels of internet addiction. therefore, it is necessary to develop a program for the prevention of intemet addiction and a school adjustment education program is recommended for that.