• Digital Contents
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• no.10 s.53
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• pp.20-25
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• 1997

지난 호에서 '인터넷 비즈니스의 다단계 구축'이라는 주제와 함께 인터넷의 변화 및 기업 비즈니스의 환경변화와 이에 따르는 인터넷 비즈니스의 구축 방법에 대해 살펴 보았다. 이번 호에서는 기업의 다양하게 구축된 인터넷 자원과 서비스의 통합적 관리 방법에 대하여 알아보기로 한다.

• KIPS Transactions on Computer and Communication Systems
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• v.2 no.1
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• pp.15-26
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• 2013

IP-based Wireless Sensor Networks (IP-WSNs) are gaining importance for their broad range of applications in health-care, home automation, environmental monitoring, industrial control, vehicle telematics and agricultural monitoring. In all these applications, mobility in the sensor network with special attention to energy efficiency is a major issue to be addressed. Because of the energy inefficiency of networks-based mobility management protocols can be supported in IP-WSN. In this paper we propose a network based mobility supported IP-WSN protocol called Multicasting-based inter-Domain Mobility Management Scheme in Sensor-based Fast Proxy Mobile IPv6 Networks (mSFP). Based on [8,20], We present its network architecture and evaluate its performance by considering the signaling and mobility cost. Our analysis shows that the proposed scheme reduces the signaling cost, total cost, and mobility cost. With respect to the number of IP-WSN nodes, the proposed scheme reduces the signaling cost by 7% and the total cost by 3%. With respect to the number of hops, the proposed scheme reduces the signaling cost by 6.9%, the total cost by 2.5%, and the mobility cost by 1.5%. With respect to the number of IP-WSN nodes, the proposed scheme reduces the mobility cost by 1.6%.

• Journal of Digital Convergence
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• v.11 no.6
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• pp.175-185
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• 2013

For effective information sharing, data provenance semantics need to be managed effectively. Based on a scheme to represent data provenance semantics, we propose a model to calculate information sharing costs. Information sharing costs are derived from probabilities of type I and type II errors that occur in organizational information sharing, costs related to these errors, and information sharing distances between organizational units which are determined by information sharing workflows. We apply the model to various types of information sharing workflows including departmental information systems, hierarchical information systems, a hub and a stand-alone system. The calculated information sharing costs show that the hub with data standardization is best in information sharing; however without standardization its information sharing cost deteriorates to that of a departmental information system. And, any information sharing workflow is better than a stand-alone system. It is proved that the model is useful in analyzing effectiveness of information sharing workflows and their characteristics.

• Korean Journal of Construction Engineering and Management
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• v.14 no.5
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• pp.44-54
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• 2013

As a green construction is a world-wide hot issue, Korean government is also putting forth a multilateral effort into reducing energy usage with setting aggressive goal under green growth policy. It is essential to analyse cost raised from designing and building green construction and benefit derived from the built facility for the sustainable green construction. However, compared to advanced countries in terms of green construction, there is lack of data and a systematic way for data collection and analysis in Korea. Without analyzing the cost-benefit of green construction, investors will hesitate to put his/her money into green construction and we can not expect its growth in construction industry. In this paper, cost of green construction was defined and categorized. Through case studies and various reports on cost-benefit analysis in advanced green construction countries, problems in terms of data collection and analysis in domestic green construction sector and improvement ways were suggested. The results of this study will contribute in classification of cost and benefit of green construction, data collection in systematic way, and increasing the feasibility of green construction via appropriate analysis on cost-benefit of green construction.

• Journal of Korean Society for Geospatial Information Science
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• v.1 no.1 s.1
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• pp.217-225
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• 1993

The cost/benefit analysis method is frequently used in the feasibility study of investments on geo-spatial information system. The cost/benefit analysis method has been applied extensively in the feasibility study of conventional information systems and recently efforts has been made to apply this method to geo-spatial information systems as well. This study efforts were made to present a cost/benefit model suitable for Korean GSIS and this model was then applied to Facility Management. In establishment of the cost model, the items of various costs were defined and a survey was made to find the average unit cost of each item. For the benefit model, the benefits of implementing a geo-spatial information system is classified into tangible and intangible benefits and only th tangible benefits were further classified. The established cost/benefit model was then applied to a gas distribution company with more than 100 employees and more than 300,000 customers. A GSIS was designed and the cost its implementation was compared to the present manual method of operation.

• Construction Engineering and Management
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• v.11 no.6
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• pp.38-41
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• 2010

• Korean Journal of Social Welfare
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• v.13
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• pp.26-50
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• 1989

• Construction Engineering and Management
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• v.12 no.4
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• pp.52-55
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• 2011

• 프린팅코리아
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• v.14 no.4
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• pp.52-52
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• 2014

인쇄경영 관리의 측면에서는 경영합리화를 통한 비용절감에 대한 관심이 가장 크며, 영업력 확대를 통한 국내외 신규 시장 개척이 불황타개를 위한 가장 유력한 방책으로 여겨지고 있다.

• 건강소식
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• v.28 no.7 s.308
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• pp.26-27
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• 2004