• Proceedings of the IEEK Conference
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• 2009.05a
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• pp.287-289
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• 2009

The conventional computing is a centralizing system, but it has been gradually going to develop ubiquitous computing which moves roles away from the main. The Community Computing, a new paradigm, is proposed to implement environment of ubiquitous computing. In this environment, it is important to accept the user demand. Hence in this paper recognizes pattern of user's activity statistically and proposes a method of pattern estimation in community computing. In addition, user's activity varies with time and the activity has the priority We reflect these. Also, we improve accuracy of the method through Knowledge Base organization and the feedback system. We make program using Microsoft Visual C++ for evaluating performance of proposed method, then simulate it. We can confirm it from the experiment result that using proposal method is better in environment of community computing.

• ETRI Journal
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• v.31 no.1
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• pp.62-64
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• 2009

We report on the bias stability characteristics of transparent ZnO thin film transistors (TFTs) under visible light illumination. The transfer curve shows virtually no change under positive gate bias stress with light illumination, while it shows dramatic negative shifts under negative gate bias stress. The major mechanism of the bias stability under visible illumination of our ZnO TFTs is thought to be the charge trapping of photo-generated holes at the gate insulator and/or insulator/channel interface.

• Proceedings of the KSPS conference
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• 2003.10a
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• pp.129-132
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• 2003

The purpose of this study was to investigate the fundamental frequency(Fo) of voice signal, the first to the third(F1-F3), and duration in children with hearing impairment. Each subject made a recording of sustained /i/ and /a/, four VbV as and four VsV. The Praat 4.1.6. was used for analysis. The results of this study were as follows: First, F0 of children with hearing impairment were higher than normal children. Second, /a/ vowel was showed that F1, F2 and duration were higher than normal children. Third, /i/ vowel was showed that F1 and duration were higher than normal children. However, F2 was lower than normal children. Therapeutic implications have been drawn.

• Proceedings of the Korean Society of Computer Information Conference
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• 2011.01a
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• pp.133-136
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• 2011

본 논문은 선행 연구된 인공감정 모델에 성격 유형별로 정서적 특징을 반영한 캐릭터의 인공감정을 설계하여 적용하는 것을 목적으로 한다. 캐릭터의 인공감정은 성격 유형별로 정서적 특징을 생성에서 소멸까지의 시간과 크기로 표현할 수 있다. 따라서 정서의 유지시간, 정서적 경험을 한번 했을 때 느낄 수 있는 최대 크기와 정서를 표현하는 시점을 두 단계로 나누어 정서적 특성을 MBTI 성격 유형에 따라 적용한다. 이렇게 설계된 인공감정은 실제 캐릭터의 적용해보고 성격 유형에 따라 감정 표현과 변화를 분석한다.

• Proceedings of the SAREK Conference
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• 2009.06a
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• pp.730-735
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• 2009

The purpose of this study is to consider improvement performance to prevent condensation and draw the optimum insulation design method for building using simulation tool. In this study, the three corners, weak part in condensation, were conducted by three-dimensional steady state simulation. From the results, it is required to strengthen insulation design, and it is founded that existing insulation system typically applied to most Korean apartment buildings has serious insulation defect that insulation is disconnected by structural components at the joints of wall-slab and wall-wall in envelope. So, it is considerate to need a concrete technology improvement.

• Proceedings of the SAREK Conference
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• 2009.06a
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• pp.718-723
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• 2009

The purpose of this study is to present an in-site evaluation method for building insulation performance using Infra-red camera. The research contents of this study are to evaluate validity and suitability of building insulation defect survey using Infra-red camera for apartment housing with temperature & heat flow pattern analyze method. By establishing the in-site evaluation method building insulation performance using infra-red camera, it is expected that 1) building envelope repair market will be activated by using developed method in ESCO and remodeling companies, 2) the method developed in this research will contribute to reduce national energy consumption by promoting old building insulation remodeling.

• Proceedings of the KWS Conference
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• 2006.05a
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• pp.133-134
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• 2006

The welding consumables which are able to be applied in shipbuilding is decided in accordance with base materials. The class societies regulate that 3Y grade welding consumables have to be used for E(H) grade steel. Welding consumables with about 1.5% Ni contents in the deposited metal have been using to weld E(H) grade steel in domestic shipbuilding companies. It was inevitable to obtain impact property of weldment at low temperature. However, when the welding consumables are used in production, there are two kinds of problems-bad workability & cost-up of welding consumables. Therefore development of Ni free welding consumables for E(H) grade steel are required & this paper will introduce the development of Ni free 4Y grade FCW.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2005.11a
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• pp.67-67
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• 2005

• Proceedings of the Korean Operations and Management Science Society Conference
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• 1991.10a
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• pp.97-115
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• 1991

본 시스템은 주어진 건축 부지위에 최대 건축 가능 공간을 산정한다. 한국 건축법규와 건축조례를 검토하여 가능공간을 산정하며 입력 데이타로는 부지 및 도로의 도형정보 및 부지의 위치정보등을 사용한다. 본 시스템은 일반적인 CAD S/W와 달리 Non-geometric 데이터를 많이 포함하여 데이터 구조 부분이 타 시스템과 많은 차이가 있으므로, 그에 따른 알고리즘을 자체 개발 적용하였다. 본 시스템은 건축 법규 추론 시스템의 결과에 따라 건축 가능 공간을 솔리드 모델로 생성한다. 이를 위해 평면만을 가지는 경계 표현법(B-Rep)솔리드 모델링 기능이 사용되었으며 생성되는 솔리드 모델은 Half-Edge데이터 구조로 저장되며 물성치 계산 기능, 은선제거기능, 음영처리기능들이 개발되었다. 적용시 각 단계를 시각화하고 출력하여 지금까지의 수작업을 배제하고 정확한 결과를 얻게 하여 설계시간을 최소화하고 건축주에게 만족한 결과를 얻게 한다.

• 한국약용작물학회:학술대회논문집
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• 2009.05a
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• pp.167-168
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• 2009