• Title/Summary/Keyword: IT/IS

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Building and Validating An Integrated Model of Information Technology Capability of the Firm (자원관점에 기반한 정보기술 능력모델의 구축 및 평가에 대한 연구)

  • Kim, Gi-Mun;Lee, Ho-Geun;Kim, Kyung-Kyu
    • Asia pacific journal of information systems
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    • v.15 no.4
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    • pp.109-133
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    • 2005
  • The purpose of this study is to develop and validate a model of firm's IT capability based on IT resources such as IT infrastructure, IT personnel, and IT routine. To do this, the study defined IT capability as a third-order factor model and identified three conceptual dimensions of IT capability: IT infrastructure flexibility, IT personnel expertise, IT resource management capability, IT resource management capability indicates a capacity generated by IT routines, a new IT resource type identified in this study. The validity of the proposed model is evaluated with 243 firm level data using LISREL. The results of confirmatory factor analysis(CFA) demonstrated that the model is highly reliable and valid. Additionally, it was found that IT routines have a high potential as a new IT resource category.

The design of interconnection network using postorder traversal on Fibonacci tree (피보나치 트리에서 후위순회를 이용한 상호 연결망의 설계)

  • 유명기;김용석
    • Proceedings of the IEEK Conference
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    • 2001.06c
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    • pp.63-66
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    • 2001
  • In this paper, We propose the new interconnection network which is designed to edge numbering labeling using postorder traversal which can reduce diameter when it has same node number with Hypercube, which can reduce total node numbers considering node degree and diameter on Fibonacci trees and its jump sequence of circulant is Fibonacci numbers. It has a simple (shortest oath)routing algorithm, diameter, node degree. It has a spaning subtree which is Fibonacci tree and it is embedded to Fibonacci tree. It is compared with Hypercube. We improve diameter compared with Hypercube.

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Implementation of Motion Detection of Human Under Fixed Video Camera (고정 카메라 환경하에서 사람의 움직임 검출 알고리즘의 구현)

  • 한희일
    • Proceedings of the IEEK Conference
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    • 2000.06d
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    • pp.202-205
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    • 2000
  • In this paper we propose an algorithm that detects, tracks a moving object, and classify whether it is human from the video clip captured under the fixed video camera. It detects the outline of the moving object by finding out the local maximum points of the modulus image, which is the magnitude of the motion vectors. It also estimates the size and the center of the moving object. When the object is detected, the algorithm discriminates whether it is human by segmenting the face. It is segmented by searching the elliptic shape using Hough transform and grouping the skin color region within the elliptic shape.

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A Study on the Influential Effect of Critical Success Factors of IT Adoption to Financial Performance in Korea Service Industry (IT 도입 핵심성공요인이 서비스기업의 재무적 성과에 미치는 영향에 관한 연구)

  • Kim, Jin-Soo;Hwang, In-Ho
    • Journal of Information Technology Applications and Management
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    • v.20 no.4
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    • pp.127-149
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    • 2013
  • Competitiveness of service industry in Korea is relatively lower than OECD countries'. Korean government, therefore, has been trying to improve the competitiveness of service industry by accelerating information technology (IT) adoption. Even though most of factors of IT can be contributed to improve the financial performance, it may be affected differently among various industry types and life cycles of companies. Therefore, it is one of very important research issues to analyze the influential effect of IT considering industry types and organizational life cycles in service industries. The purpose of this study is to find out critical success factors of IT which influence financial performance considering different types and life cycles of service industries. We developed the model and identified key success factors of IT adoption as IT system quality, Information quality, IT maintenance, CEO support, IT education of organization, and IT competence of user. Additional analysis of moderating effect by organizational life-cycle and types of service industry are conducted. For data sampling 856 companies are participated and total 2,000 questionnaires are collected. Structural equation modeling method is conducted for statistical analysis. The results show that the model is valid and most of success factors of it are very useful for improving financial performance of service industries except organizational IT education. Moderating effect of industry types and organizational life cycles is valid but partially accepted. The results might be able to provide useful directions and guide lines of IT acceleration in service industries.

Studies on Corporate Value of International Physical Distribution (국제 물적유통의 기업적 가치 고찰)

  • KIM, Jin-Hwan
    • Journal of Distribution Science
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    • v.17 no.10
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    • pp.115-123
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    • 2019
  • Purpose - The purpose of paper is to examine into corporate value of international physical distribution, which is closely related with company that is running business based on competitive power. It is good for company to gain a competitiveness throughout activities from international physical distribution, then it increases corporate value after all. Then it will be looked at how international physical distribution can influence competitiveness of company in terms of corporate value. Research design, data, and methodology - The research method to be described is first to identify concept of international physical distribution theoretically, including characteristics and structure, and then to review corporate value of international physical distribution to make company be competitive. As far as general landscape of international logistics is concerned, it is investigated into function and role of service provider, user and market situations. However, it is well proved that current market of international physical distribution is stable and bright, which means it is possible to take foreseeable future as well. Then company can share with corporate value of international physical distribution provided from logistics service provider. Results - To achieve corporate value throughout process of international physical distribution is strongly connected with competitive status of logistics service providers, those are carriers and infrastructures, and third party logistics providers. Especially in order to inquire into competitive aspects of international physical distribution in this paper, it is focused on trade volumes and overcapacity of global shipping market. Unlike it is used to be, more optimistic and positive situation has been shown since 5 years ago from the year of 2018, which means carriers make a business well, leading company to be more competitive. Conclusions - Corporate value of company in terms of international physical distribution is closely involved with competitive situations in the physically distribution, especially shipping market, which service providers can paly a key role in this regards. It can be estimated that the more market of international physical distribution works, the more competitiveness of companies increases. Ocean carriers in shipping market of international physical distribution are doing actively business well, and the corporate value can be materialized in favor of company.

교양명저 선정제도

  • 변우열
    • Journal of Korean Library and Information Science Society
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    • v.13
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    • pp.59-84
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    • 1986
  • This paper is a study of the system of liberal great books selection in universities of Korea. A questionnaire consisted of 14 questions was sent to 46 universities of which 42 universities responded. Results of the study can be summarized as follows: 1) Liberal great books selection system was operated 40% of universities, but 60% was not operated because of not preparation and without perception of necessity. 2) The name of liberal great books was varied in 11 kinds of 16 universities. It is desirable that the name is unified. 3) The founded year of liberal great books selection system was new comparatively with enhanced liberal education. 4) The greater part of liberal great books format were a leaf of catalog, but it is desirable that book form catalog with review for induction of reading interests. 5) It is desirable that renewal of liberal great books are irregularly in answer to a need. 6) It is a n.0, ppeared that selection of liberal great books were by professor, but it is desirable that selection is by many people of all parts without prejudices and subjectivity. 7) The title of liberal great books were 121 titles in average. It is desirable that the titles are about 100 titles for expected results. 8) In a duplicates of liberal great books, 5 copy is much more than other cases. It is desirable that the duplicates depend on students, use rates, budget etc. of universities. 9) Use rates of liberal great books are much more than other books, but it is necessary that public relations and stimulation of reading for most use. 10) In subject analysis, liberal great books consisted of humanities, social sciences and novel mainly. Specially, literature is 33% of the total. 11) Liberal great books consisted of occidental works and literature mainly. 12) It is a n.0, ppeared that analysis of a n.0, ppointment frequency was scattered exceedingly.

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A Study on the Consumption Pattern of Aquacultured Marine Fishes (양식어류의 소비 패턴에 관한 연구)

  • 김성귀;홍장원;이승우
    • The Journal of Fisheries Business Administration
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    • v.34 no.2
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    • pp.53-73
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    • 2003
  • This paper is to analyze the past and present consumption pattern of fishes aquacultured in marine waters and thus to draw the policy direction to enhance the competitiveness of marine fish aquaculture in Korea. At present, the volume of meat consumption is surveyed to be more than that of marine fish, but it is revealed that fish consumption will become more increasing in the future according to the rise of the income. The survey shows that the consumption of fish is highest in the fall, and among the various patterns of consumption, live fish, so-called susi, is surveyed to be highly dominant. It is revealed that fish is enjoyed because of the special savor, diverse nutrients, and the prevention of adult diseases. Natural fish Is revealed to be more preferred to aquacultured one due to the sticky flesh quality and the low probability of the remained after the production process antibiotics, so that it is necessary to enhance the taste quality and make a clean cultivation to capture more market demand. Consumption of high-quality fish seems to become high in more than middle class and consumption of fish are estimated to increase in the future, more than that of meat if income level of the people increases. Also, if we try to make our high-quality fish become popular among the public and competible with the imported fish from abroad, it is recommended that they must lower production price by cost reduction and try to differentiate it by taste and environmental safety, etc. It was revealed that the significant factor in demand function for fish is income and it is almost the only factor affecting that demand. Also, it was revealed that the most significant factor affecting preference of fish is income and it Is almost the only factor affecting the preference. Therefore, we can ascertain that if proper goods can be distributed, demand for and preference of fish may increase according to the increase of income in the future.

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Concepts Analysis of Ethical Dilemma (윤리적 딜레마에 대한 개념 분석)

  • Kim, Mi-Ye;Park, Hyun-Ju
    • Journal of Korean Academy of Nursing Administration
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    • v.11 no.2
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    • pp.185-194
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    • 2005
  • Purpose: Although ethical dilemma is important concept in nursing and many research is accomplished, some difference in defining ethical dilemma among researchers. Therefore the purpose of this analysis was to correct understanding and using about ethical dilemma by clarify the attributes of ethical dilemma. Method: The concept analysis model suggested by Walker and Avant(1988) is used to clarify what is meant by the term 'ethical dilemma'. Results: The defining attributes of ethical dilemma identified in this study were as follows. First, It is simultaneously occurrence that above two conflictive ethical alternatives. Second, It is ought to choose one of the above two conflictive ethical alternatives. Third, It is difficult to compare with two alternatives. Fourth, It is cannot delay the choices. Fifth, It is cannot do satisfactory resolution. Six, It is broken out fix, loss or feeling of powerlessness to an individual. Conclusion: In this study, a concept analysis of ethical dilemma was performed to more clearly understand ethical dilemma. It is hoped that this analysis will stimulate further study for developing strategies for prevention of nurses' ethical dilemma.

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Design of a Neuro-Fuzzy Observer for Speed-Sensorless Control of DC Servo Motor (직류 서보 전동기 센서리스 속도제어를 위한 뉴로-퍼지 관측기 설계)

  • Ahn, Chang-Hwan
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.56 no.3
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    • pp.129-135
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    • 2007
  • This paper deals with speed-sensorless control of DC servo motor using Neuro-Fuzzy Observer. DC servo motor has very low rotor inertia and excellent response characteristic and it is very useful to control torque and speed. It is easy to detect the voltage and current and resolver or encoder is used to measure a rotor speed. But it has a limit as a driving speed to detect speed precisely. So it is problem to improve the performance of the driving system. To solve this problem, it is studied to detect a speed of DC servo motor without sensor. In particular, study on the method to estimate the speed using the observer is performed a lot. In this paper, the gain of the observer is properly set up using the Neuro-Fuzzy control and Neuro-Fuzzy Observer that have a superior transient characteristic and is easy to implement compared the existing method is designed. It calculates the differentiation of the rotor current directly using the rotor current measured in the DC servo motor and estimates the speed of the rotor using the differentiation. Proposed speed sensorless control method is performed using the estimated speed. Also, it is proved feasibility of the proposed observer from the comparison tested a case with a speed sensor and a case without a speed sensor which used a highly efficient drive and 200[w] DC servo motor starting system.

A Study on Characteristics of Present Import for Live Fish (활어 수입의 현단계적 성격에 관한 고찰;-활어 수입을 둘러싼 규정요인과 동향을 중심으로-)

  • 장영수
    • The Journal of Fisheries Business Administration
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    • v.26 no.1
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    • pp.55-77
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    • 1995
  • This study analyzed the structure of imported fisheries, focusing especially on the following factors of live fisheries import : First of all, it is confirmed that the import of live fisheries expands when domestic production decreases. To put it concretely, the structure of domestic live fish supply is based upon the production of aquaculture, the shift from export to domestic use, and imported live fisheries. These all coexist, expand, and grow together. Secondly, the structure of the consumer's market - the background of expanding and growing live fisheries-is currently diversifying with quality and quantity from a local area consumer system based upon regional markets, to a wider ranged system based upon the food industry and retailing market. The existence of the consumer markets is premised upon a stable supply structure, in terms of material and price. Thirdly, in terms of trade policy, control of imports instantly reduces import goods. But it is reasonable to say that there is not any logical effectiveness of denying the stable growth of low market capital under the background of strong consummer expansion. Fourthly, the attitude of the import related managener organization is directly related to the degree to which it is connected to live fish import. It is demanded that such a managing organization possess suitable facilities, specializaed knowledge, and management skill of live fisheries. So it is predicted that newly introducing the importing of live fisheries is not simple. It indirectly shows that the capital which relates to live fisheries are connected with the importing og live fish fisheries.

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