• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 1997.06a
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• pp.83-88
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• 1997

In this study, we focus on precise and natural cooperative object manipulation in a virtual space. We introduce two virtually expanded physical laws-virtual mechanical equilibrium on a rigid object and exclusive object arrangement-to create realistic cooperative manipulation. We have built a trial system according to our proposed design. The method is expected to allow users to exchange intended manipulation by haptic and visual channels.

• Proceedings of the Korean Information Science Society Conference
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• 2011.06d
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• pp.267-268
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• 2011

Recent research activities in cooperative communication focus on achieving energy efficiency and reliability. Relay selection strategy for cooperative communication improves the performance significantly. However, due to imbalance consumption of power, network might die earlier and more than 90% energy remains unused. In this paper, we provide a framework of an energy-efficient medium access control protocol that minimizes these problems and improves energy efficiency.

• 축산식품과학과 산업
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• v.4 no.1
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• pp.33-41
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• 2015

• The Pure and Applied Mathematics
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• v.22 no.1
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• pp.75-90
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• 2015

In this paper the existence of global solutions of the parabolic cross-diffusion systems with cooperative reactions is obtained under certain conditions. The uniform boundedness of $W_{1,2}$ norms of the local maximal solution is obtained by using interpolation inequalities and comparison results on differential inequalities.

• Journal for History of Mathematics
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• v.15 no.2
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• pp.125-134
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• 2002

The purpose of this paper is to analyze the the effect on the academic improvement, applying various teaching methods throughout cooperative teaming in small groups to inspire slow-learners'interest on mathematics and impove capability to solve problems and achievement degree of studies. The subject of the study is as follows: 1. What is the difference of students'interest on mathematics between cooperative learning in small groups and large group learning\ulcorner 2. Is there any difference of slow-learners' achievement degree of studies between cooperative learning in small groups and large group learning?

• Journal of Digital Convergence
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• v.12 no.4
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• pp.133-143
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• 2014

This paper investigate how transaction cost factors affect organizational performance both directly and indirectly, through cooperative relationship lasting factors and degree of relationship satisfaction. The results can be summarized as follows: First, asset uncertainty directly influenced financial and non-financial performance. Also asset specificity and opportunism did not influence financial and non financial performance directly. Second cooperative relationship lasting factors were connected with transaction cost factors direct variables on cooperative relationship lasting factors are asset specificity and uncertainty, but opportunism did not directly influence. Third, degree of relationship satisfaction were connected with transaction cost factors direct variables on degree of relationship satisfaction are asset specificity and opportunism, but uncertainty had not affected degree of relationship satisfaction. Fourth, cooperative relationship lasting factors and degree of relation satisfaction had affected financial performance and non financial performance. In summary, this study find that transaction cost factors had indirectly influenced organizational performance through mediated variables such as cooperative relationship lasting factors and degree of relationship satisfaction.

• Journal of Microbiology and Biotechnology
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• v.24 no.6
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• pp.795-802
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• 2014

The aim of this study was to determine the effects of temperature and supplementation with skim milk powder (SMP) on the microbial and proteolytic properties during the storage of cottage cheese. Cottage cheese was manufactured using skim milk with 2% SMP and without SMP as the control, and then stored at $5^{\circ}C$ or $12^{\circ}C$ during 28 days. The chemical composition of the cottage cheese and the survival of the cheese microbiota containing starter lactic acid bacteria (SLAB) and non-starter culture lactic acid bacteria (NSLAB) were evaluated. In addition, changes in the concentration of lactose and lactic acid were analyzed, and proteolysis was evaluated through the measurement of acid soluble nitrogen (ASN) and non-protein nitrogen (NPN), as well as electrophoresis profile analysis. The counts of SLAB and NSLAB increased through the addition of SMP and with a higher storage temperature ($12^{\circ}C$), which coincided with the results of the lactose decrease and lactic acid production. Collaborating with these microbial changes, of the end of storage for 28 days, the level of ASN in samples at $12^{\circ}C$ was higher than those at $5^{\circ}C$. The NPN content was also progressively increased in all samples stored at $12^{\circ}C$. Taken together, the rate of SLAB and NSLAB proliferation during storage at $12^{\circ}C$ was higher than at $5^{\circ}C$, and consequently it led to increased proteolysis in the cottage cheese during storage. However, it was relatively less affected by SMP fortification. These findings indicated that the storage temperature is the important factor for the quality of commercial cottage cheese.

• The Journal of Internal Korean Medicine
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• v.33 no.3
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• pp.298-305
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• 2012

Objectives : This study was aimed to promote the cooperative system of Korean and Western medicine in the dual health care system through a survey of physicians on recognition, problems and solution of the cooperative system. Methods : The research took place at Dongguk University Hospital from May 25 to 27, 2009 with 44 professors, residents, and interns employed by the hospital. Results : Of total 44 surveyed doctors, positive and moderate responses on the cooperative system between Korean and Western medicines were 40.9% and 43.2%, respectively. They scored it positive (62.5%) and moderate (31.3%) based on their experiences. These results can be supposed to represent the environment for the interdisciplinary medicine. Even in the interdisciplinary hospital of Korean and Western medicine, 68.2% of responders had no experience of the cooperative medical system. Expected interdisciplinary efficient departments were ordered rehabilitation medicine, neurology and orthopedics and associated with musculoskeletal disorders, the most frequent diseases treated by Korean traditional medicine. Conclusions : Korean and Western medical doctors, as medical personnel, intellectual persons as well as specialists, need a recognition and attitude to understand and respect each others' medicine. However, both groups also realize there are many complicated issues in the treatment of patients. It is difficult to require a change of Western doctors' perceptions and attitude toward Korean traditional medicine only with results of a survey. For the efficient cooperative system in the medical field, Korean medical doctors will need to study and consider specific problems mentioned by Western medicine.

• Journal of the Korean Home Economics Association
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• v.39 no.3
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• pp.107-133
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• 2001

This study aims to understand the Process of Communality formation among the Families of Communal Childcare Cooperative. Ethnographic, in-depth interview and participant observation at field are used as method. The families of communal childcare cooperative form their communality through investment and harmony, making relationship, and struggles and overcoming the struggles. Each family is willing to put in their money and time for an unfamiliar group to organize and manage a community. They head for the same direction accepting the diversity of expectation and thought based on the diversity of environment of each family. They have interactions upon the basis of equality among the families. Sharing their unique cloture such as communal place(teojeon), common issues, same generation, unique terms, specific modes of speaking informally or nicknaming, they accept the diversities and head for the sameness to have a harmony. In the reset of forming relationship, these families transfer successfully from the field of I and my family to that of group. They escape from a sense of priority that concerns their own family first and then others. They come to be able to consider the group first. Besides, they come to assimilate themselves to the group by identification with the group. They come to form their identity and sense of membership of the group recognizing power of group they belong in their families and local society. The process of forming community among the families of cooperative has inescapable struggles. Each family becomes a real host of the cooperative in the process of overcoming the struggles and experiences a growth of individual and group in the process of looking for the ways of overcoming the struggles. In the end, the families cooperates and reestablish their community.

• Journal of Digital Convergence
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• v.15 no.5
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• pp.461-469
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• 2017

This study is to investigate the relationship among anticipation, organizational trust and cooperative intention of members of ski club for 2018 Pyeongchang Winter Olympics. Moreover, to provide the basic data for Gangwon-do Province, Pyeongchang-gun and 2018 Pyeongchang Winter Olympics committee and to propose a plan to become a successful tournament by leading to take active participation and cooperation of the ski club members. In order to achieve these objectives, this study was given to a sampling of 341 people from members of ski club in Gangwon W, F resort. First, there was correlation static (+) between expectations and organizational trust among all factors and partially impact on an organizational trust by economic/industrial and social/cultural factors as a sub factors of expectation. Second, correlation static (+) between expectations and cooperative intention among all factors and significant impact on cooperative intention by social/cultural factors as a sub factors of expectation. Third, correlation static (+) between organizational trust and cooperative intention among all factors and significant impact on cooperative intention by trust factor as a sub factors of expectation.