• Journal of Korean Society of Forest Science
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• v.100 no.4
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• pp.672-680
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• 2011

The purpose of this study has been carried to develop a criterion for the selection of evaluation factors on Forest Carbon Cycle Community(F.C.C.C) based on the result of survey of 96 participants who were operation managers on mountain eco village(31), relevant experts(33), and officers of local government(32). For analysis of the results of survey, DHP(Delphi Hierarchy Process) method was used which is a combination of Delphi method and AHP(Analytic Hierarchy Process) method. The key factors on selection of a suitable area to launch F.C.C.C. project of Korea Forest Service was selected under three hierarchical classes. Class 1 comprises 3 indices(Physical resource index, Human resource index, Vision index), and Class 2 which contains 10 indices (Existing resource, Surroundings resource, Forest biomass resource, Humanities Social quality, Local resident participation, Leader's ability, External support, Planning of operation, Capability of operation, and Effect of operation). Class 3 is sub-level class of class which possess 38 indices. From the results of analysis, Consistency Index(C.I) of each index in the 3 classes was used as evaluation factor. In Class 1, index 'human resources' showed highest Consistency Index(0.454). In Class 2, index 'forest biomass resources' was the highest Consistency Index(0.376) in 'physical resources' of Class 1, index 'leader's ability' was the highest Consistency Index(0.326) in 'human resources' of Class 1, and index 'planning of operation' was the highest Consistency Index(0.346) in 'vision' of Class 1. In Class 3, relative importance of 38 index including 'Joint ownership land security(C.I.-0.266)' was evaluated. Based on the result of this study, a criterion for the selection of evaluation factors for F.C.C.C was developed and the evaluation criterion is expected to be use to select of a suitable area to launch F.C.C.C. project since 2011.

• Journal of Digital Convergence
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• v.18 no.10
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• pp.389-396
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• 2020

The purpose of this study is to investigate the various perspectives that children can provide by utilizing specific physical spaces for play, and to study how to effectively apply them to surrounding spaces and environments. AHP was used to analyze the preferred elements for effectively designing a play area. The main keywords were derived through case studies of various domestic and foreign play space designs, and each keyword was grouped and a keyword of a higher concept was derived. The results of the comparison of 14 keywords that were finally drawn using AHP for each element were used to derive the priority for the preferred elements. As a result, preference was derived in the order of "Openness", "Safety", and "Diversity" in the morphological properties of the play space, and "Adventure", "Five senses elements", "Visual elements" and "Interactivity" in the content properties of the play space.

• Proceedings of the Korean Society of Community Living Science Conference
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• 2009.09a
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• pp.96-96
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• 2009

최근 이상적인 계획안 수립을 위한 주요 요건은 대상지역의 물리적 비물리적 현황에 대한 충분한 이해와 검토에서 출발한다고 해도 과언이 아니다. 차별화된 계획 혹은 아이디어는 지역이 지닌 특성과 문제점에 대한 분석을 통하여 가능하기 때문이다. 다시 말해 현재 상황에 대한 철저한 인식을 바탕으로 미래에 대한 구체적인 계획안은 도출될 수 있기 때문이다. 이 과정에서 해당 지역의 구성원이자 대표적인 이해당사자인 거주민들은 해당지역의 주요 속성정보 제공자로서 중요한 역할을 담당한다. 기존 계획수립과정에서 활용되어 왔던 자료는 주로 지자체 등 공공기관에서 제공하는 공공데이터를 기반으로 하고 있지만, 이러한 공공데이터의 활용은 최신정보의 제공 및 디테일한 지역의 특성을 포괄적으로 반영하는 데 일정부분 한계를 지니고 있다. 이러한 한계를 극복할 수 있는 대안으로, GIS 기법과 양방향 인터넷 등 다양한 첨단 IT기술을 활용한 주민참여형 계획수립에 주목하고 있다. 본 연구는 GIS를 활용한 해외사례를 고찰하고 이를 통하여 도출된 지역분석기법을 예산군에 적용함으로서 향후 주민참여형 지역기본 계획수립에 대한 활용방안을 제시하였다.

• Journal of Korea Multimedia Society
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• v.7 no.11
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• pp.1505-1514
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• 2004

Sequence matching in time-series databases is an operation that finds the data sequences whose changing patterns are similar to that of a query sequence. Typically, sequence matching hires a multi-dimensional index for its efficient processing. In order to alleviate the dimensionality curse problem of the multi-dimensional index in high-dimensional cases, the previous methods for sequence matching apply the Discrete Fourier Transform(DFT) to data sequences, and take only the first two or three DFT coefficients as organizing attributes of the multi-dimensional index. This paper first points out the problems in such simple methods taking the firs two or three coefficients, and proposes a novel solution to construct the optimal multi -dimensional index. The proposed method analyzes the characteristics of a target database, and identifies the organizing attributes having the best discrimination power based on the analysis. It also determines the optimal number of organizing attributes for efficient sequence matching by using a cost model. To show the effectiveness of the proposed method, we perform a series of experiments. The results show that the Proposed method outperforms the previous ones significantly.

• Journal of KIISE:Computer Systems and Theory
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• v.33 no.3
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• pp.147-156
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• 2006

Physically-based simulation modeling is to simulate the real world by using physical laws such as Newton's second law of motion, while other modelings use only geometric Properties. In this paper, we present a real time simulation of stone skipping by using the physically-based modeling. We also describe interaction of a stone on the surface of water, and focus on calculating the path of the stone and the natural phenomena of water The path is decided by velocity of the stone and drag force from the water The motion is recalculated until the stone is immersing into the water surface. Our simulation provides a natural motion of stone skippings in real time. And the motion of stone skippings are generated by give interactive displays on the PC platforms. The techniques presented can easily be extended to simulate other interactive dynamics systems.

• Archives of design research
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• v.14 no.2
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• pp.57-66
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• 2001

This research was carried with emphasis on the technical contents of lighting design which had various knowledge system in the educational viewpoint. First of all, phisiolosical and physical factors were considered with the process of vision between human and light. Next, components of attributes in the lighting fixture were prescribed to analyze concept of the fixture. Finally, I proposed educational program in the instruction to meet the purpose of this research. As a result, in overall research concerning the basic direction and structure, instruction should have balance to reconcile theory and practice about lighting. Second, in terms of expansion of cognition about lighting, experimental education that is considered with interface is needed to make practical verification through relationship with man-made environment and scientific data.

• The Journal of the Korea Contents Association
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• v.12 no.6
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• pp.21-31
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• 2012

The virtual reality consists of a virtual space constructed similar to the reality and agents residing in it. Our virtual space refers to an orderly space that is governed by such physical properties as mass, gravity, friction, and associated rules on top of the usual visual rendering. To construct this virtual world we are to develop virtual agents behaving like humans and the environment surrounding them. In order to improve the existing reactive agents designed to act to their designers' dictation in predetermined space or memory into autonomous agents, we need diverse kinds of knowledge among others related to the spaces for the agents to act in. Our design and implementation focuses on the spatial knowledge among those diverse aspects of knowledge required. The developed knowledge representation scheme is used on a basis for realistic and efficient physical cyber-environment, and as the knowledge structure to simulate the virtual agents' knowledges on spaces.

• Geophysics and Geophysical Exploration
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• v.13 no.1
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• pp.80-87
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• 2010

This study was conducted to develop a reservoir modelling workflow to reproduce the heterogeneous distribution of effective permeability that impacts on the performance of SAGD (Steam Assisted Gravity Drainage), the in-situ bitumen recovery technique in the Athabasca Oil Sands. Lithologic facies distribution is the main cause of the heterogeneity in bitumen reservoirs in the study area. The target formation consists of sand with mudstone facies in a fluvial-to-estuary channel system, where the mudstone interrupts fluid flow and reduces effective permeability. In this study, the lithologic facies is classified into three classes having different characteristics of effective permeability, depending on the shapes of mudstones. The reservoir modelling workflow of this study consists of two main modules; facies modelling and permeability modelling. The facies modelling provides an identification of the three lithologic facies, using a stochastic approach, which mainly control the effective permeability. The permeability modelling populates mudstone volume fraction first, then transforms it into effective permeability. A series of flow simulations applied to mini-models of the lithologic facies obtains the transformation functions of the mudstone volume fraction into the effective permeability. Seismic data contribute to the facies modelling via providing prior probability of facies, which is incorporated in the facies models by geostatistical techniques. In particular, this study employs a probabilistic neural network utilising multiple seismic attributes in facies prediction that improves the prior probability of facies. The result of using the improved prior probability in facies modelling is compared to the conventional method using a single seismic attribute to demonstrate the improvement in the facies discrimination. Using P-wave velocity in combination with density in the multiple seismic attributes is the essence of the improved facies discrimination. This paper also discusses sand matrix porosity that makes P-wave velocity differ between the different facies in the study area, where the sand matrix porosity is uniquely evaluated using log-derived porosity, P-wave velocity and photographically-predicted mudstone volume.

• The Journal of Information Technology
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• v.3 no.1
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• pp.143-153
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• 2000

Internet Banner ad. has became one of the most interesting sector to marketer which was even unacquainted word to them a few years ago. Advertisement of Internet has many differences, merits and demerits with traditional ad, namely television, newspaper, magazine and outdoors advertising etc. In this study, we compare Internet advertisement with traditional advertisement and consider the way which is the most effective Internet advertisement, especially banner using an analysis of census.

• Proceedings of the Korean Society for Emotion and Sensibility Conference
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• 1997.11a
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• pp.53-56
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• 1997

본 연구에서는 폴리에스테르와 실크 블라우스 직물 6종을 사용하여 직물에 대한 선호 감각을 분석하고, 이러한 감각 속성들을 정향화 하기 위한 직물의 물리적 요소들을 규명하고자 하였다. 선행연구에서 추출된 감각들이 어떤 인과관계의 경로를 거쳐 최종 선호감성에 영향을 주는지 파악하기 위해 감각의 구성차원 모형을 검증하였다. 고온 다습한 환경에서 선호감각이 촉감에 영향을 받으며 촉감은 직물의 표면특성감과 습윤감이 중요한 1차적 감각이었다. 태는 유연감에 영향을 받는 복합적 감각이었으나 최종 구매시 선호감에는 유의한 영향을 미치지 않았다. 관련 표면 불성 변인으로는 영상처리를 통한 fractal차원과 총접촉면적이 SMD, MIU 및 MMD보다 더 높은 상관을 나타내었다.