• Journal of Digital Contents Society
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• v.19 no.4
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• pp.809-814
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• 2018

With the proliferation of cloud computing infrastructures, service providers are able to deploy services in on-demand manner. Recently, microservice architecture has been attracting attention in order to maximize the efficiency of resource expansion in cloud infrastructure. Instead of implementing all of the service functions in a single software, service providers can easily and autonomously implement the necessary services by interconnecting the necessary services through an efficiently designed application programming interface (API). Moreover service developer can freely choice programming languages and define software, and functional structures to meet their functional requirements. In this paper, we propose virtual infrastructure manager service based on microservice architecture and evaluates its performance in scalability perspective.

• Proceedings of the Korea Contents Association Conference
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• 2016.05a
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• pp.87-88
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• 2016

서울시에 소재하고 있는 종묘와 사직단은 제례의식이 거행되던 곳으로 실제 재현은 1년에 약 한번 정도 진행되며 이것을 보기위해 관람객이 몰리게 된다. 이것은 일종의 병목현상처럼 일어나고 있다. 이러한 병목현상을 해소하고, 평소 관람객에게도 실제 재현과 같은 효과를 보여주기 위하여 실감형 콘텐츠를 활용하고자 한다. 마이크로소프트(MS)의 증강현실(AR)기기 '홀로렌즈(Hololens)' 기법을 바탕으로 관람자들에게 이용의 편의를 보완할 수 있는 방법을 제안한다.

• Proceedings of the Korea Contents Association Conference
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• 2003.11a
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• pp.11-22
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• 2003

ㆍ 컨텐츠 보호에서 모든 정보 보호의 시장 요구사항이 확대 ㆍ 기존 솔루션은 멀티미디어 컨텐츠 중심의 정보 보호 발전 ㆍ Office문서 및 Email 정보 보호를 위해서는 Office 2003 System 과 Windows 2003 서버의 Rights Management Services가 필요하다. ㆍ 향후 모든 컨텐츠 보호가 가능한 플랫폼(Longhorn) 가능한 플랫폼(Longhorn) 가능

• Proceedings of the Korea Contents Association Conference
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• 2017.05a
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• pp.497-498
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• 2017

이 논문에서는 8bit 마이크로컨트롤러 상에서 덧셈 연산을 이용한 공격을 방어하는 알고리즘을 제시한다.

• Digital Contents
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• no.3 s.154
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• pp.29-35
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• 2006

• The Journal of the Korea Contents Association
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• v.9 no.12
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• pp.566-571
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• 2009

In this paper, microstrip bandpass filter combined DCRLH metameterial-cells with a hairpin resonator is designed and fabricated to be transferred only fundamental passband signal, and removed a spurious resonant mode occurring when filter design using a microstrip transmission line is done. The bandpass filter is composed of CCRLH hairpin resonator and DCRLH interdigit metameterial-cells. The hairpin resonator with CCRLH property is implemented between two DCRLH interdigit metameterial-cells with DCRLH property, which is parallel to input port and output port. The interdigit metameterial-cells suppress spurious harmonics occurring on the higher order frequency and improve a filter performance. Insertion loss of the fabricated microstrip bandpass filter on the passband from 1.91GHz to 2.41GHz is 0.2dB, and attenuation on the stopband from 3GHz to 7.7GHz is bellower than -30dB. Therefore, this filter has a good performance for both mobile communications of WCDMA and wireless internet of WiBro.

• The Journal of the Korea Contents Association
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• v.6 no.8
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• pp.124-132
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• 2006

The present cutting-edge industry demands talents with engineering mind that enables them to think and operate in creative manners by themselves while escaping from simple maneuvering activities. Pursuant to the demand of the times, micro-robot manufacturing education at an elementary school level will be an appropriate alternative for developing creativity of children. According to such a need, I designed an effective micro-robot education program for creativity development, and researched it by applying it to the field of education. As a result, in the first place, I could propose teaching-learning material for elementary school for micro-robot manufacturing, Second, I designed a learning program suited to elementary students by dividing it into seven steps. Lastly, there was an improvement in creativity of learners who used the designed teaming program as a result of applying and analyzing the Program.

• The Journal of Korea Institute of Information, Electronics, and Communication Technology
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• v.8 no.2
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• pp.163-168
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• 2015

The conventional simple-injection and unilateral-learning methods have the great disadvantages in special education outcomes for intellectual disabilities student. In this paper, we propose a digital micro-mirror system that learners themselves can manipulate the contents by using the various technology on user-interaction and augmented reality. Through the verification tests conducted by special education professionals, it is confirmed that the proposed commercial system can be used as a useful system in the special learning fields requiring high immersion.

• Digital Contents
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• no.3 s.46
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• pp.48-52
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• 1997

지난호까지 마이크로소프트의 프론트페이지를 비롯한 홈페이지 제작툴을 이용해 홈페이지를 제작하는 방법에 대해 알아보았다. 이번호에는 최근 새로운 모습으로 발표된 넷스케이프 4.0 컴퓨니케이터의 컴포저 홈페이지 제작 툴을 이용한 홈페이지 제작방법에 대해 살펴봤다.

• Digital Contents
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• no.4 s.107
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• pp.84-90
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• 2002

본고는 지난호에 이어 마이크로소프트(MS)사의 정품 사용을 위한 인증은 개인정보 침해를 유발 할 수 있고 이것은 결코 바람직하지 않다는 것을 설명하고 있다. 즉 개인 컴퓨터의 하드웨어 정보는 해시값으로 저장되어 의미가 없다고는 하나 어떤 정보들이 들어 있는지 밝히지 않고 있다는 것도 지적하고 있다.