• Research in Community and Public Health Nursing
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• v.2 no.1
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• pp.164-165
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• 1990

• Journal of Korea Society of Industrial Information Systems
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• v.13 no.4
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• pp.115-131
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• 2008

As the innovation of computer and communication technology, IT has played a role of increasing the business efficiency and offering new business opportunities. Many organizations have tried to launch IT projects, and the investment scale has been getting bigger. However, a lot of IT projects have been failed because of the difficulties of project management. Therefore, the purpose of this study is to know how the roles of project governance affect the project performance and what role of the project governance will be affected to solve the problems which might be taken place while developing the project. As the results of this study, the roles of project governance - linking, coordination, control, strategic direction, support, societal embedding, highly affect the project performance. To solve the problems which might be occurred while implementing the project, the control and the societal embedding roles playa crucial role compared to the other roles of the project governance. In other words, the roles of project governance should be utilized for the success of IT project, and the control and the societal embedding of the project governance should be modified and complemented to solve the problems which might be occurred while developing the project.

• The Journal of the Korea Contents Association
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• v.10 no.1
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• pp.295-304
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• 2010

This study aims to be of help to cope with internal and external circumstances of hospital effectively by analyzing the weight of role for a hospital manager which has been changing. It surveyed 191 top managers and administrators working in a medical institute like hospital located in Busan, Ulsan and Kyungnam area from 20 November, 2007 to 29 February, 2008. The results of this study were as follows: The top manager thought that the role as a leader is the most important role as a manager in present, but the role as an enterpriser is also very important in future, however, they had troubles in the role of a representative which they have carried out in present. In order to overcome the current medical situation that competition is getting keen, it seemed that they expected the role as an enterpriser would be more important in future for competition and organization improvement. The administrator thought the role as a leader is the most important in present, in future and in current performance. It was considered that they recognized the importance of team work, order, goal of the organization, strategies, and information interchange regarding the characteristics of hospital that there are people of various kinds of occupations.

• The KIPS Transactions:PartC
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• v.10C no.3
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• pp.265-272
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• 2003

RBAC is an Access Control Mechanism for security administration of system resource and technique attracting in commercial fields because of reducing cost and complexity of security administration in large network. Many RBAC's research is progressive but several problems such as the delegation of role have been pointed out concerning the mechanism. It is necessary that a person's role delegate someone with reliability by reasons of a leave of absence, sick leave and the others. But the existing RBAC standards don't give definition of the delegation of roles. In this paper, we propose RBAC model that delegator can delegate subset of role and permission to a delegatee so that more efficient access control may be available.

• Journal of the Institute of Electronics Engineers of Korea TE
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• v.39 no.3
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• pp.90-96
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• 2002

RBAC(Role-Based Access Control) is an access control method based on the user's role and it provides more flexibility on the various computer and network security fields. But, RBAC models consider only users for roles or permissions, so for the purpose of exact access control within real application systems, it is necessary to consider additional subjects and objects. In this paper, we propose an Extended RBAC model, $ERBAC_3$, for access control of multi-level security system by adding users, subjects, objects and roles level to RBAC, which enables multi-level security control. 

• The Transactions of the Korea Information Processing Society
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• v.3 no.7
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• pp.1822-1833
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• 1996

As the size and complexity of networks increase, it is difficult to manage the whole network using single network manager, thus it is more resonable to manage the network using several network managers distributed on the network. Security interoperability should be supported among network management systems (NMSs)that use different management policies. In this paper, an algorithm that makes it posible to take a role into a role lattices is suggested to provide security interoperability among NMSs that have their own role lattices. In addition, security constraints are proposed to maintain the confidentiality and integrity of information by dynamically modifying the access rights of roles as the state of a system changes. Also, the security constraints are expressed using ECA rules in this paper.

• The Korean Journal of Financial Management
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• v.17 no.1
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• pp.111-136
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• 2000

본고는 기업 내부의 경영자와 일단 투자자들 사이에 정보 비대칭이 존재하는 기업 공개 시장에서 신주의 저평가 현상을 완화하는 제3자의 보증 역할에 관한 연구이다. 일찍이 Megginson and Weiss(1991), Hamao, Packer and Ritter(1998) 등의 연구에 의하면 미국, 일본 등의 경우 벤처 캐피탈의 지원을 받는 벤처 기업이 그렇지 않은 경우에 비해 신주 저평가 현상이 비교적 적게 나타나 벤처 캐피탈이 일정한 명성 효과를 발휘하는 것으로 보고되고 있다. 그러나 남명수(1993), 이기환, 임병균, 최해술(1998) 등의 실증 분석에 의하면 국내 벤처 기업의 경우에는 그렇지 않은 것으로 보고되고 있어 벤처 캐피탈의 보증 역할이 미미한 것으로 나타난 바 있으나 이들의 연구는 KSE 시장의 신규 벤처 기업들을 대상으로 하였기 때문에 최근 KOSDAQ 시장에서의 벤처 기업의 신규 등록이 활발해지면서 벤처 캐피탈의 보증 역할에 관한 연구는 재검토를 요구하고 있는 실정이다. 본 연구는 96년 7월 이후 KOSDAQ 시장에 등록되어 있는 기업 중 벤처 캐피탈의 지원을 받은 34개의 벤처 기업과 그렇지 않은 34개의 벤처 기업을 대응 추출하여 구성한 표본에 대해 신주의 등록 초기의 시장초과 수익률을 분석하여 신주 저평가 현상을 살펴보고 각 기업의 수익률과 공모 잔량에 대한 회귀분석을 통하여 벤처 캐피탈의 보증역할을 규명하였다. 본 연구 결과는 현재 KOSDAQ 시장에서 벤처 캐피탈의 보증 역할은 거의 나타나지 않았으며 상장 직전의 세후이익과 전체적인 시장 상황만이 수익률과 공모 잔량에 영향을 주는 것으로 나타났다. 이러한 연구 결과는 기존의 KSE 시장에서의 벤처 캐피탈의 보증 역할에 대한 연구 결과와 유사한 것으로 미국 등 선진 시장의 연구 결과와는 달리 국내 벤처 캐피탈의 KOSDAQ 시장에서의 미미한 역할을 입증하는 실증 결과라고 할 수 있다.

• Journal of the HCI Society of Korea
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• v.13 no.1
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• pp.5-10
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• 2018

This paper provokes considerations on companionship. As human-robot relation becomes important, the role and communication styles of robot become crucial. In order to see how we should design communication styles of social robots, we generated scenarios based on pre-studies. Then, we conducted a $2{\times}2$ experiment to compare four different conditions by expected role and communication style. We divided expected roles into playing and serving role by dominance level. Also, we matched communication style on one condition and mismatched on the other. The results imply matching role with communication style is crucial in some role, however not in every role. As HCI expands to human-computer relation, our study would inspire future research on companionship between human and robots.

• Korean Journal of Construction Engineering and Management
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• v.12 no.1
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• pp.125-132
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• 2011

Since early 2000s, the importance of CM services has been increasingly recognized and the CM market is continuously growing. As a consequence, the number of CM companies has increased, which means keener market competition. In order to increase their competitiveness, it has been a major task for CM companies to employ and foster competent construction managers who can play a role of efficient project leaders. The objective of the paper is to analyze key characteristics of construction managers' roles during design stages from the perspective of leader's roles including strategic planner, team builder, gatekeeper, expert, champion.

• The Journal of the Korea Contents Association
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• v.7 no.12
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• pp.131-138
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• 2007

This research attempts to carry an empirical study on women leaders' gender-related leadership styles and relationship between job satisfaction and organizational commitment. For these purpose, this study built two hypotheses based on literature review and tested them using the survey method of 1,172 female workers in sales departments of the K company. The results of this study show that both the androgynous gender role and the masculine gender role are superior to the feminine gender role in employees' job satisfaction and organizational commitment level. But there isn't significant level difference in job satisfaction and organizational commitment between androgynous gender role and the masculine gender role.