• 한국농촌건축학회논문집
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• 제19권3호
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• pp.1-8
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• 2017

Recently, the number of closed rural schools is increasing due to the decrease in school age population. This study aims to comparative analysis of utilization policies for closed schools in Korea and Japan. The results are as follows. First, Both Korea and Japan was expected to increase the number of closed schools since the standard of abolition of small schools has been strengthened. Second, In Korea, it was possible to know the detailed information of closed schools through 'Eduinfo' website, but it was hard to know the detailed information of utilization cases of closed schools. On the other hand, Japan not only provided information about the unused school facilities but also introduced the utilization cases of closed schools and financial support system for utilization of closed school. It was characterized by linking with the information of unused schools and company, NPO, elderly welfare facility, etc. Third, In korea Superintendent established plans to use closed schools to respond flexibly to local circumstances. Japan simplified the procedures for closed schools to promote the utilization of closed schools. Finally, In Japan, there was various financial support system. But in Korea, it supported the cost of subsidy reduction, free loan, maintenance and management and operation.

• 한국시스템다이내믹스연구
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• 제1권2호
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• pp.149-174
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• 2000

In recent years, how to promore the Utilization of Internet is a main issue of national information policy. In this study, we focused our approach to find promoting sttategies for Internet utilization on three sector's users, governments, enterprises, and households. Promoting the Internet utilization of these three sector's users is a very difficult problem, because their information levels are different and information gap among them can be regarded as bottleneck. And since the interactions between user's demands and diverse information seccor's factors are very complex, policy leverages can not find easily. By the system dynamics methodology, this paper examines the interrelationships between three user's demand mechanism and information policy sector. Information policy sector consist of four sectors, infrastruccure policy seccor, application-contents sector, governance sector, and access and price policy sector (free access policy, literacy policy, telecommunication price policy, etc.). To find and investigate policy leverage that will help understanding dynamic behavior of users in using Internet we build a causal loop diagrams and SD models by using survey data obtained from three sectors'specialized users, 488 persons.

• International Journal of Control, Automation, and Systems
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• 제4권5호
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• pp.601-614
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• 2006

In this paper, a study on task assignment strategies for a complex real-time network system is presented. Firstly, two task assignment strategies are proposed to improve previous strategies. The proposed strategies assign tasks with meeting end-to-end real-time constraints, and also with optimizing system utilization through period modulation of the tasks. Consequently, the strategies aim at the optimizationto optimize of system performance with while still meeting real-time constraints. The proposed task assignment strategies are devised using the genetic algorithmswith heuristic real-time constraints in the generation of new populations. The strategies are differentiated by the optimization method of the two objectives-meeting end-to-end real-time constraints and optimizing system utilization: the first one has sequential genetic algorithm routines for the objectives, and the second one has one multiple objective genetic algorithm routine to find a Pareto solution. Secondly, the performances of the proposed strategies and a well-known existing task assignment strategy using the BnB(Branch and Bound) optimization are compared with one other through some simulation tests. Through the comparison of the simulation results, the most adequate task assignment strategies are proposed for some as system requirements-: the optimization of system utilization, the maximization of running tasktasks, and the minimization of the number of network node nodesnumber for a network system.

• Human Ecology Research
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• 제51권5호
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• pp.513-526
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• 2013

In an effort to protect consumers' rights to information and to promote their freedom of choice, the South Korean government has been enforcing a policy called the cosmetics full ingredients list system since 2008, which requires cosmetics manufacturers to list all of the ingredients used in their products. This policy aims to assist consumers in identifying the causes of possible side effects of cosmetic products. This study uses consumers' demographic information addition to their cosmetics purchase and usage characteristics to learn about consumers' attitudes and utilization intentions and the influence of information from the cosmetics full ingredients list. This study was conducted through a questionnaire based survey administered to women above the age of 20 years across South Korea who use cosmetic products. The questionnaire was distributed to 300 members on the panel of M Brain, an online research institute. The findings of this study are as follows: (1) The level of knowledge on cosmetics' ingredients positively affected the consumers' attitude and utilization intention of information on the cosmetics full ingredients list. (2) The higher the utilization intention for information, the more often consumers checked the packaging of goods. This implies that habitual behavior, such as checking information, leads to increasing intention to utilize of new information. (3) The brand, as a decision-making factor, negatively affected consumers' attitudes regarding information.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제8권3호
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• pp.749-761
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• 2014

Improving spectrum utilization efficiency is a fundamental goal of dynamic spectrum access technology. The definition of spectrum holes determines how to detect and exploit them. Current definitions of spectrum holes are ineffective in exploiting spatial-temporal spectrum holes. In this paper, a novel definition of spectrum holes is proposed, in which throughput loss indicates the impact of secondary users on primary users. The definition specifies spectrum holes, unifies the impact of secondary users on primary users and is effective exploiting spatial-temporal spectrum holes. Theoretical analysis and numerical simulations show that the new definition proposed in this paper significantly improves the spectrum utilization efficiency.

• 대한산업공학회지
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• 제39권1호
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• pp.20-29
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• 2013

Medical errors such as adverse drug event, improper transfusion, wrong-site surgery, mistaken patient identity and so on commonly occur at health care practice. Information technology, like Drug Utilization Review(DUR) system which reviews, analyzes, and interprets medication data when prescribing, can play a key role in reducing such medical errors and improving patient safety. Korean Government has guided all hospitals to implement concurrent DUR(cDUR) system, which is the first case worldwide in that all healthcare providers have to use cDUR system when prescribing. This paper introduced a case study that a tertiary hospital has integrated the cDUR system into its comprehensive Hospital Information System(HIS) and analyzed the whole prescription data during a week right after adoption of cDUR system. Considering technical strength and weakness, the cDUR system was integrated into the HIS, using Broker Servers for minimizing doctors' anxiety. As the quantitative analysis of the whole prescription data, DUR conflict events, which mainly included duplicate medications and contra-indicated drug interactions for outpatients, were 2.77%. Although only 0.7% is for the contra-indicated drug interactions, it will be greatly devoted to achieve the purpose of DUR such as improving patient safety.

• 통상정보연구
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• 제3권1호
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• pp.177-196
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• 2001

The advancement of information technology provides a wide range of options for the corporate to cope with new business environments. As with most other businesses, the utilization of the logistics information technology can be an instrument to enhance the competitiveness of the company. Therefore it is essential to analyze how companies utilize and verify the relationship between company business performance and the level of information technology utilization, which is the objective of this paper. The questionnaire was sent to 300 companies listed on the stock market at random The author received 176 responses of which 142 were complete and valid. According to the analysis of questionnaires, the adoption level of information technologies was dependent on the perception of top managers on the importance of information technology in business competitiveness. Furthermore the level of relation between the information technology adoption and business performance was significant. Therefore businesses need to increase the utilization of information technologies, such as establishment of logistics information system, network with other business partners in order to business logistics performance.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제12권1호
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• pp.413-435
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• 2018

Although the accuracy of handwritten character recognition based on deep networks has been shown to be superior to that of the traditional method, the use of an overly deep network significantly increases time consumption during parameter training. For this reason, this paper took the training time and recognition accuracy into consideration and proposed a novel handwritten character recognition algorithm with newly designed network structure, which is based on an extended nonlinear kernel residual network. This network is a non-extremely deep network, and its main design is as follows:(1) Design of an unsupervised apriori algorithm for intra-class clustering, making the subsequent network training more pertinent; (2) presentation of an intermediate convolution model with a pre-processed width level of 2;(3) presentation of a composite residual structure that designs a multi-level quick link; and (4) addition of a Dropout layer after the parameter optimization. The algorithm shows superior results on MNIST and SVHN dataset, which are two character benchmark recognition datasets, and achieves better recognition accuracy and higher recognition efficiency than other deep structures with the same number of layers.

• 한국콘텐츠학회논문지
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• 제22권10호
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• pp.723-732
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• 2022

최근 들어 기업정보 시스템의 성공적인 활용은 기업의 효과적인 전략 수행과 기업 경영 목적 달성에 핵심적인 역할을 하고 있다. 기업정보 시스템의 도입 성공 여부를 결정하는 인자 중의 하나가 시스템 활용도로서, 정보시스템 활용도를 측정하는 효과적인 방안을 마련하는 것은 기업 경영에서 매우 중요하다. 본 연구에서는 프로세스 마이닝 기법을 이용한 로그 데이터 분석을 통해 정보 시스템 활용도를 평가한다. 즉, 기본적인 접속 로그 통계뿐만 아니라 정보시스템을 실제로 사용하는 순서를 패턴화하고 유사 사용 기능을 군집화하여, 정보시스템 설계시에 예상하였던 시스템 사용 순서/기능과 실제 현황을 비교함으로써 기존 정보시스템을 개선하거나 확장하는데 피드백을 제공하고자 한다.

• 대한토목학회논문집
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• 제26권1D호
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• pp.31-39
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• 2006

근래 물류정보시스템의 중요성은 특히 강조되어 지고 있으며 물류정보시스템의 활용도는 물류관리의 능력, 물류처리의 기술수준, 물류체계의 강화, 물류정책의 수행력과 같은 기업환경에 따라 달라질 수 있음을 보여준다. 따라서 회사의 물류정보 시스템의 활용도를 조사하기 위해 부산 경남지역에 소재한 상장, 등록, 외감법인 중 174개 제조업체와 유통업체를 대상범위로 한정시켰다. 다음은, 본 연구의 결론으로서 요약하면 다음과 같다. 첫째, 사업의 특정종류에 따라 물류정보시스템 활용도는 차이가 있었다. 둘째, 제조업체와 유통업체들의 각 입장에서 볼 때, 물류정보시스템의 활용도에 대한 중요성은 쌍방업체간에 크게 다르지 않음을 나타내고 있다. 셋째, 물류시스템의 할용도는 물류관리능력을 가진 경영자의 유무에 따라 좌우될 수 있음을 보여준다. 넷째, 물류정보시스템의 활용도는 물류성과와 긍정적인 관계를 가지며, 또한 이러한 활용도는 단순한 물류비용 감소보다는 물류전문가로 하여금 고객들에게 보다 고급화된 서비스를 제공할 수 있음을 보여준다.