• Title, Summary, Keyword: 전사기법

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Conceptual Study for Risk Assessment of Asset Management of Infra Structure System (국가기반시설 자산관리위험도분석 개념 연구)

  • Park, Mi Yun;Park, Hung Ju
    • Journal of Korean Society of Disaster and Security
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    • v.5 no.1
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    • pp.43-47
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    • 2012
  • The asset management of infra facilities is a total framework for finally supporting a safe and comfortable service, which includes functions of supporting evaluation of condition and performance of infrastructures, making the decision method of repair or rehabilitation of deteriorated facilities, and lengthening the life cycle of structure through the decision of adequate cost and time of repair or reinforcement. In the range of the asset management, organization, human, the target, and information & data of company are included. Therefore, in this paper, appling the method of asset management analysis to the infra structures, the process of the risk assesment using BRE (Business Risk Exposure) and the basis of consisting ORDM (Optimized Renewal Decision-Making) are expressed.

Priority Analysis of Information System by the Stakeholders using BSC and ANP Method (BSC와 ANP기법을 이용한 직무그룹별 정보시스템 우선순위 분석)

  • Kyung, Tae-Won;Kim, Sang-Kuk
    • The Journal of the Korea Contents Association
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    • v.11 no.7
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    • pp.426-436
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    • 2011
  • In the past, ERP had been applied to large company mainly, but recently, in order to exist from global business environment, most of smaller businesses are using or planing to introduce ERP. However, introduction of ERP requires considerable expense and effort, before ERP come into being, it is needed to measure the expense of introducing and the outcome expected. Previous analytical frameworks (according to introduction of ERP) have been focused on measuring improvement of performance by introducing ERP. This study carries out a survey on priority analysis of information system with small businesses which produce displayer parts. To derive the user's priorities which have been disregarded beside the improvement of performance on information system, this study rearranges the analysis indices by using BSC model and it analyzes the priorities of importance according to the stakeholder(manager group, middle manager group, worker group) by using ANP method.

Design of Methodology Framework based on Meta-Model (메타모델 기반의 방법론 프레임워크 설계)

  • Cho, Eun-Sook
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.10
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    • pp.6969-6976
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    • 2015
  • As new technologies are advancing and development paradigms are changing, software development process and development methods are evolving progressively. As a result, because the number of developing and managing processes and methodologies are increasing as a project in companies, effective management methods are needed. Especially, because companies should apply optimized methodology according to project's size and characteristics, customization technique of methodology is required urgently. In this paper, we propose a meta-model based methodology framework which can integrate and manage methodologies being developed progressively. Applying proposed methodology framework, a company is able to manage as well as develop optimized methodology easily as a project. Especially, because a proposed methodology framework is developed by meta-model, adding or extending new methodology elements can be realized simply as well as method elements are reused easily in case of customization of methodology as a project.

Effect of ERP Implementation for Public Owner - Based on Case Study (공공발주기관의 ERP 적용효과 평가방안 - 사례연구중심으로)

  • Kim, Hyoun Young;Park, Hee-Sung
    • Journal of The Korean Society of Civil Engineers
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    • v.33 no.2
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    • pp.749-755
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    • 2013
  • The public corporations have already implemented ERP to improve productivity, quality, and cost saving. This paper presents the result of business process improvement based on implementation of ERP. Therefore, this paper performed case study of K corporation. Survey was conducted to define the degree of improvement and evaluation method was presented using AHP. The weights for each business area is assigned based on AHP. Then ERP is evaluated in efficiency, work transparency, information sharability, and easy of use. It is meaningful achievement considering its short term implementation. The human resource management shows a relatively larger improvement than other management processes. However, information sharability shows relatively low improvement than others. This quantified result of user-oriented subjective evaluation on ERP implementation will contribute to evaluate the impact of ERP for owner organizations.

Exploratory Study on the method to improve performance in construction process by applying Six-Sigma Principle (6시그마 개념을 도입한 건설공사의 성과향상에 관한 탐색적 연구)

  • Ryu Ho-Dong;Jin Kyung Ho;Han Seung-Hun
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • pp.353-358
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    • 2003
  • Recently there has been huge efforts to improve performance in construction process by applying emerging techniques such as the Lean principle, Just-in-time concept and so on. However, little achievement as we expected has come out in reality due to the lack of strategy to set a definite goal of the execution and differences of personal viewpoints on construction productivity. Accordingly, it is the most important to promote the circumstances for the construction process improvement by quantifying the goals of respective unit activity groups. This research explores feasible solutions for the improvement of construction projects performance by combining the six-sigma principle for the generic administrative innovation based on the idea of construction process performance. For this purpose, mutual comparisons of various current approaches are performed in an attempt to establish the advantages in applying six-sigma idea and to provide its fundamental strategy. Furthermore, through a case study with the simulation of applying six-sigma to a unit activity group in construction process, this paper verifies that the overall performance improves as the degree of sigma level gets advanced.

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Fault-Free Process for IT System with TRM(Technical Reference Model) based Fault Check Point and Event Rule Engine (기술분류체계 기반의 장애 점검포인트와 이벤트 룰엔진을 적용한 무장애체계 구현)

  • Hyun, Byeong-Tag;Kim, Tae-Woo;Um, Chang-Sup;Seo, Jong-Hyen
    • Information Systems Review
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    • v.12 no.3
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    • pp.1-17
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    • 2010
  • IT Systems based on Global Single Instance (GSI) can manage a corporation's internal information, resources and assets effectively and raise business efficiency through consolidation of their business process and productivity. But, It has also dangerous factor that IT system fault failure can cause a state of paralysis of a business itself, followed by huge loss of money. Many of studies have been conducted about fault-tolerance based on using redundant component. The concept of fault tolerance is rather simple but, designing and adopting fault-tolerance system is not easy due to uncertainty of a type and frequency of faults. So, Operational fault management that working after developed IT system is important more and more along with technical fault management. This study proposes the fault management process that including a pre-estimation method using TRM (Technical Reference Model) check point and event rule engine. And also proposes a effect of fault-free process through built fault management system to representative company of Hi-tech industry. After adopting fault-free process, a number of failure decreased by 46%, a failure time decreased by 56% and the Opportunity loss costs decreased by 77%.

Expression Study of The Mouse Collectin-Placenta 1 Gene (마우스 Collectin-Placenta 1 유전자의 발현 연구)

  • Kim, Geun Ho;Kim, Youn Uck
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.8
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    • pp.477-484
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    • 2019
  • Several types of scavenger receptors, including the Collectin-Placenta 1 (CL-P1) receptorthat is present in mammals, are molecules that are expressed on the surfaces of endothelial cells, macrophages and smooth muscle cells. These molecules are cell surface glycoproteins that can be conjugated to oxidized low density lipoprotein (oxLDL). Among these molecules, the effect of quercetin on CL-P1 activation has been confirmed. Quercetin is known as an antioxidant that stops oxidation because it acts to remove free radicals that are responsible for the oxidation reaction. In this study, fragments from the transcription start site of the mouse CL-P1 gene promoter to the -500th base were cloned using DNA polymerase. These fragments were then introduced into macrophage like RAW264.7 cells and fibroblast-like NIH3T3 cells to study the effect of quercetin on the CL-P1 gene expression. As a result, we found that bases ranging from -250 to -350 in the anterior part where gene expression starts are important for producing CL-P1 protein. Among them, the DNA mutation experiments we performed confirmed that the E2F binding sites are critical for producing the CL-P1 protein? In addition, when quercetin was added to the RAW264.7 culture medium, which was a culture of adherent cells, observedthe phenomenon of the cells falling off from the surface of the culture container.

Structural Characteristics of Expression Module of Unidentified Genes from Metagenome (메타게놈 유래 미규명 유전자의 발현에 관련된 특성분석)

  • Park, Seung-Hye;Jeong, Young-Su;Kim, Won-Ho;Kim, Geun-Joong;Hur, Byung-Ki
    • KSBB Journal
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    • v.21 no.2
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    • pp.144-150
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    • 2006
  • The exploitation of metagenome, the access to the natural extant of enormous potential resources, is the way for elucidating the functions of organism in environmental communities, for genomic analyses of uncultured microorganism, and also for the recovery of entirely novel natural products from microbial communities. The major breakthrough in metagenomics is opened by the construction of libraries with total DNAs directly isolated from environmental samples and screening of these libraries by activity and sequence-based approaches. Screening with activity-based approach is presumed as a plausible route for finding new catabolic genes under designed conditions without any prior sequence information. The main limitation of these approaches, however, is the very low positive hits in a single round of screening because transcription, translation and appropriate folding are not always possible in E. coli, a typical surrogate host. Thus, to obtain information about these obstacles, we studied the genetic organization of individual URF's(unidentified open reading frame from metagenome sequenced and deposited in GenBank), especially on the expression factors such as codon usage, promoter region and ribosome binding site(rbs), based on DNA sequence analyses using bioinformatics tools. And then we also investigated the above-mentioned properties for 4100 ORFs(Open Reading Frames) of E. coli K-12 generally used as a host cell for the screening of noble genes from metagenome. Finally, we analyzed the differences between the properties of URFs of metagenome and ORFs of E. coli. Information derived from these comparative metagenomic analyses can provide some specific features or environmental blueprint available to screen a novel biocatalyst efficiently.

A Weight Analysis for Measuring the Management Performance of Strategic Business Units of Large Construction Companies (대형건설기업의 경영성과 측정을 위한 전략사업본부 비중분석)

  • Lee, Dong-Hoon;Park, Hye-Sung;Kim, Jung-Chul;Kim, Sun-Kuk
    • Journal of the Korea Institute of Building Construction
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    • v.13 no.6
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    • pp.530-540
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    • 2013
  • The business environment that affects the management performance can be characterized by each Strategic Business Unit (SBU) since construction companies win overseas contracts due to the fairly good construction situations while experience a decline in the local housing market. Environmental changes can alter the strategic importance of the SBU when measuring the management performance. However, large construction companies apply BSC (Balanced Score Card) for collective calculation to determine the management performance, making it difficult to reflect the strategic importance of SBU. This method may create a distorted image of management performance that fails to take environmental changes into consideration, and as such it needs to be improved. Yet, there are no studies on the weight of each SBU considering environmental changes. Thus, the current study intends to analyze the weight of SBU for company-wide measurement of the performance of large construction companies. In addition, a model for analysis of SBU importance is proposed to respond to the constantly changing environmental situations and to modify the weight. For analysis of SBU weight, a questionnaire was conducted with 23 experts and hands-on workers, and the questionnaire result was quantitatively analyzed by applying the FD-AHP method. It is expected that the result will enable a model to be proposed to calculate the weight per division in a manner that reflects environmental changes and minimizes strategic distortion when measuring the management performance of large construction companies.

Investigation of Conservative Genes in 711 Prokaryotes (원핵생물 711종의 보존적 유전자 탐색)

  • Lee, Dong-Geun;Lee, Sang-Hyeon
    • Journal of Life Science
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    • v.25 no.9
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    • pp.1007-1013
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    • 2015
  • A COG (Cluster of Orthologous Groups of proteins) algorithm was applied to detect conserved genes in 711 prokaryotes. Only COG0080 (ribosomal protein L11) was common among all the 711 prokaryotes analyzed and 58 COGs were common in more than 700 prokaryotes. Nine COGs among 58, including COG0197 (endonuclease III) and COG0088 (ribosomal protein L4), were conserved in a form of one gene per one organism. COG0008 represented 1356 genes in 709 of the prokaryotes and this was the highest number of genes among 58 COGs. Twenty-two COGs were conserved in more than 708 prokaryotes. Of these, two were transcription related, four were tRNA synthetases, eight were large ribosomal subunits, seven were small ribosomal subunits, and one was translation elongation factor. Among 58 conserved COGs in more than 700 prokaryotes, 50 (86.2%) were translation related, and four (6.9%) were transcription related, pointing to the importance of protein-synthesis in prokaryotes. Among these 58 COGs, the most conserved COG was COG0060 (isoleucyl tRNA synthetase), and the least conserved was COG0143 (methionyl tRNA synthetase). Archaea and eubacteria were discriminated in the genomic analysis by the average distance and variation in distance of common COGs. The identification of these conserved genes could be useful in basic and applied research, such as antibiotic development and cancer therapeutics.