• Title/Summary/Keyword: Analyzing

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Estimation of Flood runoff using HEC-HMS at agricultural small watershed (HEC-HMS를 이용한 농업소유역에서의 홍수량 추정)

  • Kim, Sang-Min;Park, Seung-Woo
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 2002.10a
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    • pp.281-284
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    • 2002
  • Geographic Information System (GIS) has advantage of analyzing spatial distributed data and handling spatial data for hydrologic analysis. Hydrologic Engineering Center's Hydrologic Modeling System(HEC-HMS) with HEC-GeoHMS was used to analyze flood runoff at agricultural small watershed. HEC-GeoHMS, which is an ArcView GIS extension designed to process geospatial data for HEC-HMS, is a useful tool for storing, managing, analyzing, and displaying spatially distributed data. Hydroligical component including peak discharge, time to peak, direct runoff, baseflow for Balhan study watershed, which is located in Whasung city, Kyunggi province, having an area of $29.79km^2$, were calculated using the HEC-HMS model with HEC-GeoHMS.

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Design of the Heat Dissipation Rate of Automotive Radiation (I) Analysis of Heat Dissipation (자동차용 라디에이터의 방열성능설계에 관한 연구 (I)방열성능의 해석)

  • 정종수;이춘식
    • Journal of the korean Society of Automotive Engineers
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    • v.11 no.5
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    • pp.65-75
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    • 1989
  • A method for analyzing the heat dissipation rates of automotive radiators has been proposed and also a new model equation of heat transfer rate of louvered fins has been proposed and tested. With the method, the effect of various design parameters on the performance of a radiator has also been studied. The proposed model equation for air-side heat transfer has made fair predictions which agree well with the experiments. Also the design value of heat dissipation rate with various fin pitches and radiator size has a good agreement with the heat dissipation of the commercial automotive radiators. Thus, the method of analyzing the radiator performance proposed in this study might be used to design new automotive radiators.

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Directions for Developing Integrated Knowledge Management Systems Based on Records Management (기록관리를 기반으로 한 통합형 지식관리시스템 구축 방향 연구)

  • 김익한
    • Journal of the Korean Society for information Management
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    • v.21 no.2
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    • pp.153-167
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    • 2004
  • The purpose of this study is to discuss ′records′ as core resources for knowledge management and to suggests the directions for developing integrated knowledge management systems based records management. This present paper begins with analyzing concept and structure of records in light of knowledge management, and identify the importance of records management in developing knowledge management systems by substituting evidence axis in Upward′s "Records Continuum Model" for knowledge management. And this study tries to identify critical aspects regarding transfer of records to knowledge system by analyzing the level of records. Based on these analyses, it suggests a directions for developing records based-knowledge management systems.

A Qualitative Method to Find Out the Impact Direction in Traffic Accident (충돌방향 해석을 위한 정성적 추론이론 개발 및 적용)

  • Lee, Dae Hee;Park, Jin Soo
    • Journal of the Korean Society of Safety
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    • v.32 no.3
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    • pp.136-140
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    • 2017
  • The physical tool for analyzing collision accidents narrows down to the conservation law of momentum. The conservation law of momentum which is also utilized to investigate or to analyze a traffic accident is essential to Newton mechanics. This paper suggests an alternative analytical tool based on the conservation law of momentum. Simply put, the tool is a alternative qualitative method of analyzing a car's direction to find out whether it is driving over the centerline This paper proposes a deduction theory that use qualitative information to make a qualitative analysis of which car drove over the center line.

Analyzing Factors Affecting the Adoption of Cloud Computing: A Case of Turkey

  • Akar, Ezgi;Mardiyan, Sona
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.10 no.1
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    • pp.18-37
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    • 2016
  • Cloud computing is an upcoming technology and emerging concept in the field of information technologies. Companies have begun to invest in cloud computing with the expectation that it will improve their business performances, operations, and processes. However, many companies are not so much aware of the cloud computing, so they can hesitate to adopt this new technology. The aims of the study are analyzing factors affecting the adoption of cloud computing and applying structural equation modeling technique to analyze the important dimensions of the adoption. Concordantly, previous studies are examined and expert interviews are arranged. Based on both our literature review and expert interviews, a model is proposed to measure the adoption of cloud computing. It is obvious that there are scarce researches about cloud computing adoption in the literature. Thus, the originality of the paper lies on that it proposes a research model for cloud computing adoption and it investigates various dimensions of cloud computing adoption in detail.

The Technological Competitiveness Analysis of Aircraft-based Industries using Patent Information (특허정보를 활용한 항공기반산업의 기술경쟁력 분석)

  • Jung, Ha-Gyo;Whang, Kyu-Seung
    • Korean Management Science Review
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    • v.25 no.2
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    • pp.111-127
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    • 2008
  • This paper analyzes the technological competitiveness of aircraft-based industries that are the basis for the development of aircraft industry in Korea. By performing expert interviews with industry specialists in the field of aircraft technology, the paper categorizes eight fields that are fundamental to the development of the aircraft industry. By analyzing patents of G7 countries and Korea made in the US from 1995 to 2006 we were able to identify the technological specificities and competencies of each country. RTA (Revealed Technology Advantage) index and CII (Current Impact Index) are used to examine the technological specificity and technological competence respectively. Finally, by introducing the TCI (Technological Competitiveness Index) the paper is able to consider both the quantitative level and the qualitative level of patents for each field in the aircraft industry. By analyzing the TCI, the paper concludes that Korea has high technological prowess centered around IT industries such as semi-conductors/ electronics component, communication appliances and consumer electronics. Also Korea is relatively competitive in the precision instruments industry.

A Semiotics Framework for Analyzing Data Provenance Research

  • Ram, Sudha;Liu, Jun
    • Journal of Computing Science and Engineering
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    • v.2 no.3
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    • pp.221-248
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    • 2008
  • Data provenance is the background knowledge that enables a piece of data to be interpreted and used correctly within context. The importance of tracking provenance is widely recognized, as witnessed by significant research in various areas including e-science, homeland security, and data warehousing and business intelligence. In order to further advance the research on data provenance, however, one must first understand the research that has been conducted to date and identify specific topics that merit further investigation. In this work, we develop a framework based on semiotics theory to assist in analyzing and comparing existing provenance research at the conceptual level. We provide a detailed review of data provenance research and compare and contrast the research based on d semiotics framework. We conclude with an identification of challenges that will drive future research in this field.

Research on the Automatic Software Keyboard Based on Database (데이터베이스에 근거한 자동 키보드의 입력 방법)

  • Lee Kye Suk;Yong Hwan Seung
    • Journal of Korea Multimedia Society
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    • v.8 no.1
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    • pp.101-110
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    • 2005
  • Recently software keyboard is widely used in mobile devices where restrictive hardware keyboard is available. In this paper, new software-driven keyboard input method is proposed, which use minimum number of keyboard input with small keyboard space generated after analyzing of database. In this software keyboard is generated dynamically at each input step by analyzing all possible input words. Software keyboard, only possible key buttons are displayed for minimizing keyboard space and preventing mistyping. And it also provide input word completion function when the number of the candidate words is within threshold scope.

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Generalized Graph Representation of Tendon Driven Robot Mechanism (텐던 구동 로봇 메커니즘의 일반화된 그래프 표현)

  • Cho, Youngsu;Cheong, Joono;Kim, Doohyung
    • The Journal of Korea Robotics Society
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    • v.9 no.3
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    • pp.178-184
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    • 2014
  • Tendon driven robot mechanisms have many advantages such as allowing miniaturization and light-weight designs and/or enhancing flexibility in the design of structures. When designing or analyzing tendon driven mechanisms, it is important to determine how the tendons should be connected and whether the designed mechanism is easily controllable. Graph representation is useful to view and analyze such tendon driven mechanisms that are complicatedly interconnected between mechanical elements. In this paper, we propose a method of generalized graph representation that provides us with an intuitive analysis tool not only for tendon driven manipulators, but also various other kinds of mechanical systems which are combined with tendons. This method leads us to easily obtain structure matrix - which is the one of the most important steps in analyzing tendon driven mechanisms.

Application of Inundation Simulation Model using GIS (GIS를 이용한 침수모의모형의 적용)

  • Kim, Sang-Min;Park, Seung-Woo
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 2001.10a
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    • pp.314-318
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    • 2001
  • The analysis of the spatial extent of flood inundation is important for flood mitigation. Geographic Information System (GIS) has advantage of analyzing spatial distributed data. Hydrologic Engineering Center's River Analsysis System(HEC-RAS) with HEC-GeoRAS was used to analyze flood inundation. HEC-GeoRAS, which is an ArcView GIS extension designed to process geospatial data for HEC-RAS, is a useful tool for storing, managing, analyzing, and displaying spatially distributed data. Rational formula and 24-hr duration probability precipitation data of Suwon meteorological station were used to estimate the flood runoff. And water profiles were calculated using the HEC-RAS model with HEC-GeoRAS. The flooded region is 8.24ha when 50-yr probability precipitation was applied and 8.8ha when 100-yr was applied to Bahlan study watershed which is located in Whasung county, Kyunggi province, having an area of $29.79km^{2}$.

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