• The Transactions of The Korean Institute of Electrical Engineers
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• v.60 no.5
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• pp.913-920
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• 2011

Distribution systems for operating the various systems should be operated organically. Distribution systems for organic operations extend the functionality of the system and system integration for the extension is doing. However, in systems integration for each unique non-standard definition of linkage and exchange systems are used. Non-standard definition of a unique linkage and exchange systems in the maintenance and expansion will result in many negative results. To solve these problems, the system and the exchange of information about the links between systems should define standards. IEC (International Electrotechnical Commission) power to solve these problems in the field of the Common Information Model (Common Information Model, CIM) standard (IEC61970, IEC61968) is defined as the transmission and distribution system integration and standardization for the exchange of information. In this paper, standardized system for building CIM-based distribution automation system should describe the process of building. In addition, the process of establishing a common information model needed (CIM) defined and associated services for a defined set of models is proposed in the standardization process.

• Proceedings of the Korea Information Processing Society Conference
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• 2003.11c
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• pp.1677-1680
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• 2003

RUP(Rational Unified Process)의 Unified Process Model 에는 Use Case Model, Analysis Model, Design Model, Deployrnent Model, Implementation model, Test Model의 6가지 모델이 있다. 이 모델들은 다음단계의 모델에 대한 일관성 및 의존성을 가진다. 한 모델에서 발생되는 요소들은 전, 후 단계에서 다른 모델들과 Trace Dependencies 를 갖는다. 이러한 의존적인 관계들은 각각의 요소들 사이의 진행, 기록 관계를 나타낸다. 그러나 대부분의 시스템은 이러한 관계 및 의존성 없이 설계되어져 전체적인 일관성을 이루지 못 하였다. 본 논문에서는 이러한 관계를 유지 하면서 사용자의 요구사항에 일관성 있는 Use Case 모델을 설계하고자 한다. 따라서 본 논문에서는 대학 종합정보시스템 구축의 일부분인 구매관리 시스템을 분석하여 컴포넌트 시스템 모델을 제시한다.

• The Journal of Society for e-Business Studies
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• v.4 no.3
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• pp.139-158
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• 1999

In this paper we present the development of CITIS(Contractor Integrated Technical Information Service) reference model system which can be utilized for electronic commerce among enterprises. For the physical analysis target model, we selected switching system businesses of Korea Telecom. From analysis of life-cycle business process and data, we derived CITIS reference model containing CITIS To-Be model and CITIS scenario. Derived CITIS reference model is generalized so that it can be used not only for switching system businesses but other business areas regarding CITIS implementation. On the base of the derived CITIS reference model, We also developed CITIS information management system and CITIS-support workflow system as CITIS reference model system. Developed CITIS reference model system supports information and business process sharing among enterprises on internet and it does make a contribution to expansion of CITIS which is moving from conceptual research towards real implementation phase.

• Journal of the Society of Naval Architects of Korea
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• v.30 no.2
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• pp.1-12
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• 1993

The role of product model in CIM environemt(where such heterogenous application programs as CAD, CAE, CAM, Database, and Expert Systems are included) is system integration. Product model manages all the information related to manufacuring activities. This information includes shapes, operation, process, scheduling, quality, and mangement. Product model architecture includes product model kernel, object schema, model manipulation language, and user interface. Objects to be shared are defined using the model manipulation luage and the defintions are saved in the object schema. In this paper, we present the design and implementation of a prototype. In this prototype, application programs for CAPP(Computer Aided Process Planning) are used.

• Journal of the Computational Structural Engineering Institute of Korea
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• v.24 no.4
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• pp.421-428
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• 2011

The communication of each others is lack between planing, design, construction and maintenance in domestic construction industry. This problem makes the omission of information and the loss of cost. So, the introduction of BIM can be the solution about that. BIM manages all information generated during all life-cycle of a structure and consequently maximizes the efficiency of utilizing information. This is done through 3D information model associated with a three-dimensional(3D) parametric CAD. This study proposes the seismic analysis process of steel box bridge for structural design of bridge construction project based on BIM. The additional process is needed for the purpose that structural data is inherent in the property information of 3D information model. This process has 3D modeling progress done by using the information decided in design phase. The design document of seismic analysis can be derived with the proposed process to steel box bridge.

• Journal of the Korean Society for Library and Information Science
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• v.43 no.4
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• pp.59-81
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• 2009

This study is aimed at developing a broadcast content creators' information behavior model through analysis of the process of information use including an integrated perspective such as cognitive, emotional and environmental aspects. Broadcast content creators have a common cognitive process and pools of information exchange and integration. In order to have emotional empathy with the general public they search and use the news and human and everyday life information seeking (ELIS). The most important thing is the context of social norms and culture in the broadcasting community and information about judgment is subjective and empirical.

• Knowledge Management Research
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• v.9 no.3
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• pp.125-140
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• 2008

In this study, we try to explain the impacts of self-directedness and self-efficacy on individual knowledge building process and website loyalty. To verify empirically the proposed research model. first, we reviewed literatures on self-directedness, self-efficacy, knowledge building process, and website loyalty. Second, we performed a survey with questionnaires to undergraduate school students, graduate school students, professionals, and office workers who search information frequently using website. Third, on the basis of collected 221 data, measurement model and structural goodness-of-fit of the research model were verified with, SEM analysis using Lisrel 8.54 version. We found important results such that self-directedness impacted information sharing and elaboration, self-efficacy affected information sharing and knowledge building, and information sharing and knowledge building improved website loyalty.

• Journal of Korea Technology Innovation Society
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• v.5 no.1
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• pp.26-43
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• 2002

Korean government has been putting efforts to promote development of technologies by government sponsored labs and to transfer, diffuse, and commercialize these technologies in private sector since mid 1980s. In spite of these efforts, utilization of government-sponsored technology remains in the very low level. According to the survey conducted by Korea Intellectual and Patent Office (1999), the ratio of unused industrial property rights including patents was above 70% of total industrial property rights. Survey on the information and telecommunication industry done by the Institute of Information Technology Assessment (IITA) in 1999 shows that the utilization ratio of government-sponsored technologies is about 55.8%. This is especially true where government is not the primary or end-user of technologies. The purposes of this paper are to (1) identify a process model of technology commercialization, (2) develop the related variables of each step in the six-step continuous process model of government-sponsored technology commercialization, (3) empirically investigate the data gathered through questionnaire survey, and (4) suggest policy alternatives for promoting technology commercialization in Information and Telecommunication industries.

• Industrial Engineering and Management Systems
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• v.3 no.2
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• pp.116-122
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• 2004

This paper presents a process plan selection model with multiple objectives. The process plans for all parts should be selected under multiple objective environment as follows: (1) minimizing the sum of machine processing and material handling time of all the parts considering realistic shop factors such as production volume, processing time, machine capacity, and capacity of transfer device. (2) balancing the load between machines. A multiple objective mathematical model is proposed and an evolutionary algorithm with the adaptive recombination strategy is developed to solve the model. To illustrate the efficiency of proposed approach, numerical examples are presented. The proposed approach is found to be effective in offering a set of satisfactory Pareto solutions within a satisfactory CPU time in a multiple objective environment.

• Journal of Information Processing Systems
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• v.1 no.1 s.1
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• pp.62-69
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• 2005

This paper presents a queuing analysis model of a PC-based software router supporting IPv6-IPv4 translation for residential gateway. The proposed models are M/G/1/K or MMPP-2/G/1/K by arrival process of the software PC router. M/G/1/K is a model of normal traffic and MMPP-2/G/1/K is a model of burst traffic. In M/G/1/K, the arriving process is assumed to be a Poisson process, which is independent and identically distributed. In MMPP-2/G/1/K, the arriving process is assumed to be two-state Markov Modulated Poisson Process (MMPP) which is changed from one state to another state with intensity. The service time distribution is general distribution and the service discipline of the server is processor sharing. Also, the total number of packets that can be processed at one time is limited to K. We obtain performance metrics of PC-based software router for residential gateway such as system sojourn time blocking probability and throughput based on the proposed model. Compared to other models, our model is simpler and it is easier to estimate model parameters. Validation results show that the model estimates the performance of the target system.