• Journal of Environmental Science International
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• v.23 no.2
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• pp.231-238
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• 2014

There were many attempts to increase the level of environmental cooperation in Northeast Asia. However, intergovernmental cooperation has not brought a substantial effects so far. This article aims to provide a model for multilateral joint research of environmental technologies. Each field of environmental problem requires a Consortium of joint research team and R & D mechanism. This model emphasizes joint-funding, tax-break for environmental investment and the importance of multilateral contract.

• The Journal of Korean Institute for Practical Engineering Education
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• v.3 no.1
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• pp.119-126
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• 2011

This study analyzed the effect of the competency factors (resources and education competency)on the performance of university-industry cooperation by characteristic of universities through multiple regression model using 202 datasets empirically. The input factors variables used in a research model were characteristics of universities (research oriented/education-oriented universities and public/private universities) and competency factors (resource competency and education competency) of university-industry cooperation. The performance factors of university-industry cooperation were composed of the outcomes of intellectual knowledge asset, technology transfer, spin-off and financial profits. The empirical results show that research-oriented universities and public universities produce a uniter performance of university-industry cooperation than education-oriented universities and private universities, respectively and the competency factors of university-industry cooperation such as resource and education competency also have a positive effect on the performance of university-industry cooperation.

• The Transactions of the Korea Information Processing Society
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• v.5 no.6
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• pp.1575-1582
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• 1998

In this paper. we design and evaluate a cooperating model that increase problem solving ability by selecting proper cooperating partners under changing situation. In this model, to decide cooperation direction and extent, we have used a payoff function and then divided the group into two parts, cooperation part and non-cooperation part. To control these reconfigured groups at group level, group intention is used as a control media instead of existing data and goal. Group intention is abstractive and comprehensive and represents collection of strategies. Group intention is changed based on resources, information, and cooperation situation on group intention hierarchy. Two layered control is possible : first constraint with group intentions(group level) and then select a strategy under the constraint. These approaches are tested and evaluated on pursuit game testbed.

• Journal of the Korean Society for Precision Engineering
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• v.33 no.5
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• pp.401-407
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• 2016

This paper describes the derivation methodology of the working torque predictive model that can be used in the initial design stages of the impact hammer tool. The working torque control mechanism is designed, taking into account various factors, such as the force of the spring and friction. Firstly, the analysis dynamic model for working environments was modeled as an additional bush and spring, and verified by comparing the test results of the working torque. Secondly, the main performance parameters of the working torque were theoretically defined by analyzing the operating mechanism. The equation to predict the working torque was derived using the dynamic analysis results according to the value changes of the parameters. The prediction equation of the working torque was validated by comparing the predicted results with the experimental data. The error difference between the experimental data and the predictive model results was found to be 8.62%.

• 사회경제평론
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• v.31 no.3
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• pp.29-53
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• 2018

This study provides a model of inter-Korean economic cooperation suggesting that economic cooperation should be centered on industrial cooperation. As an independent economic zone, the two Koreas will go through a gradual and functional process of cooperation. Also, economic convergence through 'openness and integration' of both markets is a pre-requisite of successful economic integration on the Korean peninsula. This success of the process requires industrialization of North Korea. This study suggests a model of 'the Corea Industrial Development Community on the Korean Peninsula. It aims to support industrialization of the North Korean economy as well as promotion of South Korea's SME competitiveness. It would help meet the demand for improvement of living conditions of North Korean people. Main policy measures includes: 1) co-effort to develop North Korea's provincial industrial zones, 2) upgrading North Korea's 'Jangmadang' into a highly efficient distribution market. Finally, through the construction of the Joint Industrial Development Zone, it is necessary to create a production sharing module for both Korea's industries.

• Journal of Korea Multimedia Society
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• v.14 no.12
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• pp.1559-1571
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• 2011

In wireless ad hoc networks, nodes communicate with each other using multihop routed transmission in which hop-by-hop cooperative diversity can be effectively employed. This paper proposes (i) two cooperation models for per-link cooperation (PLC) and per-node cooperation (PNC) for exploiting cooperative diversity in wireless ad hoc networks and (ii) a cooperative routing algorithm for the above models in which best relays are selected for cooperative transmission. First, two cooperation models for PLC and PNC are introduced and represented as an edge-weighted graph with effective link quality. Then, the proposed models are transformed into a simplified graph and a cooperative routing algorithm with O(n2) time is developed, where n is the number of nodes in the network. The effectiveness of the algorithm is confirmed for the two cooperation models using simulation.

• The Journal of Information Systems
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• v.16 no.2
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• pp.123-144
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• 2007

As the interest in the business-to-business electronic commerce is increasing, many companies are participating in the business-to-business e-marketplaces. As a result, it is important to develop understanding of behaviors of firms that use these e-marketplaces. For this purpose, e-marketplace usage company trust is proposed to affect commitment, long-term orientation and cooperation. This study, which used data from participating in the business-to-business e-marketplace companies, showed acceptable data-fit of proposed model and supported all of research hypotheses. The empirical results indicated that trust take significant effect on commitment, long-term orientation and cooperation, and the commitment affect long-term orientation and cooperation, and the commitment in turn have strong influence on long-term orientation and cooperation. It was confirmed that commitment variable is effective mediator linking trust and long-term orientation and cooperation.

• Journal of the Korean Society for Library and Information Science
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• v.38 no.2
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• pp.315-333
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• 2004

Recently, the rapid Increase of knowledge information resources and the advancement of information and communication technology has affected all libraries and the museums which collected knowledge and the information resources and provided service with indigenous for a long time. Hence, The library and the museum began to constructs the cooperative system with the cultural heritage agency such as international museums, libraries and archives after realizing the impossibility of physical self-sufficiency that the users are not able to obtain the knowledge resources and the library are not able to provide them. In this Paper, some models are presented for the data cooperation system construction of the library and the museum and developmental plan in the future. The models are (1) Interchangeable model for autonomous noninterference (2) dispense mutual service model (3) intensive service center model (4) a mixture union model.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.11 no.8
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• pp.2727-2733
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• 2010

Existing and developed models of vinyl house are simulated by 3 dimensional and analysis program. When heavy snow lays 250 mm deep, this paper aims to investigate how its load affects the vinyl house and what deformation happens with structural analysis. Its maximum deformation is decreased to more than 50 % by developing this model in comparison with the existing model. Its developed model is more safe than existing model and its manufacturing expense can be reduced.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.8 no.3
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• pp.615-619
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• 2007

In this study, the MCC(modified Cam-Clay) model and the Hvorslev-MCC model, recently developed based on the critical state theory and with relatively few model parameters, were investigated by comparing the model predictions with the result of the conventional triaxial compression test strictly performed in laboratory. The discrepancy of the prediction capacities of the models exists on the heavily over-consolidated specimen. The Hvorslev-MCC model accurately predicts the peak strength envelope for heavily over-consolidated clayey specimens on the dry side of the critical state since it adopts the Hvorslev surface in the supercritical region other than the ellipse of the MCC model.