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지식성장 잠재력 측정을 위한 동태적 지식경영시스템 시뮬레이션 모델 개발에 관한 연구
김상욱 ( Sang Wook Kim ),조현웅 ( Hyun Woong Jo ) 한국시스템다이내믹스학회 2010 한국시스템다이내믹스 연구 Vol.11 No.1
This paper aims to investigate a dynamic mechanism underlying the process of knowledge creation and growth with a focus on the `knowledge-friendly culture` conceptually coined by Davenport and Prusak in 2000. To achieve this objective, key attributes of knowledge are first identified by exploring the generic characteristics and information and interpreting the definitions of knowledge, from which four modes of knowledge growth (Socialization, Externalization, Combination, Internalization) are delineated into a dynamic SECI model by identifying cultural attributes underlying each mode and modeling their casual relationships based on the systems thinking. Further, a series of sensitivity analysis through computer simulation were made to find how `knowledge-friendly` cultural factors affect the knowledge growth. It is found that individual knowledge is most influenced by organization`s cohesion whereas organizational knowledge is most affected by the openness of organization.
김병석 ( Byung Suk Kim ),조현웅 ( Hyun Woong Jo ),오영민 ( Young Min Oh ) 한국시스템다이내믹스학회 2014 한국시스템다이내믹스 연구 Vol.15 No.2
The purpose of this study is to analyze the effects of nuclear power plant workers and organizational characteristics on accidents, and seek the combination of policies for reducing accidents. For this purpose, it grasped, by using System Dynamics and Causal Loop Diagram, how various factors that cause accidents in nuclear plants are interrelated, and performed simulations after building simulation models. As a result of the analysis, first, the fundamental cause of safety accidents in nuclear power plants turned out to be the time constraint on the workload. Second, it turned out that as the workload of workers increases, physical and mental stresses increase, thereby increasing accidents due to errors and violations. Third, it turned out that as the levels of educational training and compliance with regulations and procedures are enhanced, accidents are reduced. Lastly, it turned out that as the combination of policies (reliance level + working environment + educational training + compliance with regulations and procedures) is increased, accidents are reduced. Especially, it turned out that if the combination of policies is increased by 30%, more than 10 cases of accidents are reduced.
김상욱 ( Sang Wook Kim ),정재림 ( Jae Lim Jung ),조현웅 ( Hyun Woong Jo ) 한국시스템다이내믹스학회 2011 한국시스템다이내믹스 연구 Vol.12 No.4
The information service management models developed thus far have put their focuses mostly on technical dimensions of information systems (IS), finding their rationale from the goods-dominant logic (GDL) that IS as goods has value in itself. Information systems, however, is nothing more than a mechanism by which value is delivered to the users. According to the service-dominant logic (SDL), value is created and determined not at the time serve is made by the providers but at the time it is consumed by the users. The users therefore should be regarded as active value creators not as passive consumers of the value delivered by the providers. Based on the service-dominant logic, DISQM (Dynamic Information Service Quality Model) is developed. DISQM`s backbone is designed in causal loop diagrams referring to and reinterpreting in systems thinking the ``Parasuraman, Zeithaml & Berry`s GAP Model`` and ``SERVQUAL`` as an operational tool for the GAP Model, and the main IS success constructs are mapped onto the model exploiting the ``DeLone & MacLean`s IS Success Model``. With VENSIM simulation software, this paper also shows how DISQM works in computer-simulation settings. After confirming DISQM`s validity with the base simulation run, two scenarios are developed for the exemplary purpose and tested in terms of IS quality, service quality, and net benefits from the service for the public information service. Implications from the simulation runs are also discussed.