The spread of smart phones provides users with a variety of services, making their lives more convenient. In particular, financial transactions can be easily made online after user authentication using a smart phone. Users easily access the service by authenticating using a PIN, but this makes them vulnerable to social engineering attacks such as spying or recording. We aim to increase security against social engineering attacks by applying the authentication method including imaginary numbers when entering a password at the door lock to smart phones. Door locks perform PIN authentication within the terminal, but in smart phones, PIN authentication is handled by the server, so there is a problem in transmitting PIN information safely. Through the proposed technique, multiple PINs containing imaginary numbers are generated and transmitted as processed values such as hash values, thereby ensuring the stability of transmission and enabling safe user authentication through a technique that allows the PIN to be entered without exposure.
Korean Journal of Construction Engineering and Management
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v.17
no.6
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pp.31-39
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2016
This study aims to give suggestions based on survey to improve the quality of Global Construction Engineer Training Program in line with the government goals. The domestic construction industry in Korea has kept shrinking, whereas the global construction market is forecasted to keep expanding in the future. It has become an urgent task to be taken up for construction contractors and engineering firms so as to improve their capacity, in particular, in the fields of planning, management, finance as well as engineering. To deal with the lack of capacity of the domestic engineers and to help them emerge as global players in the competitive overseas construction market, the Ministry of Land, Infrastructure and Transport of the Korean government has designed a program called 'Global Construction Engineer Training Program.' The eligible target of the training program is mid-career professionals who are working for the construction contractors or engineering firms. To draw suggestions for this program, an importance-satisfaction analysis is conducted to evaluate the effectiveness of the training program implemented by the S University. The S University, along with C University, was selected as an implementation organization of the program in 2014 by the government. Through an email survey, the participating students in the program were asked questions on the importance and satisfaction against 17 indicators classified into 5 categories: instruction method, professional knowledge of instructors, contents of program, curriculum, and facility and environment. The survey results show that students are satisfied with the overall quality of the program, but it was also found that they want the program opens more coursework on practical application of knowledge, case studies, and global networking.
International Development Cooperation (IDC hereafter), which closely relates to international trade and foreign direct investment, is gaining global importance regarding diplomatic relations and economic cooperation. As Korea contributes increasing resources to the international community, Korea should play a larger role in the IDC along with increasing academic cooperation, impling more necessity to grow research on the IDC as a crucial element of international trade. The IDC has focused on the provision of basic human needs, such as food, shelter, and clothing. However, higher education has not yet be explored for its effectiveness or validity as to service area including foreign trade or insurance. In this regard, this research aims to review existing IDC literature, to propose a project for insurance education, and to provide alternative ways for future development of the IDC. This paper is structured as follows. First, the literature review begins with the IDC's history and development, review of traditional methods of providing basic human needs (food or sheltering) and public health, importance of job creation and business activities to alleviate poverty, and the introduction of insurance education as a vehicle to reduce poverty. Results of the case study provide implications for service area projects including foreign trade education.
Journal of the Korea Academia-Industrial cooperation Society
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v.19
no.2
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pp.436-446
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2018
The purpose of this study is to examine the priorities of innovation activities, business performance, and maximization factors of SMEs. Support programs for each government department are operated by various industries. Various supports, including subsidies, grants, marketing, planning, and education, are provided to each company. Therefore, this study aims to analyze and identify the priorities of innovation activities that have a positive effect on business performance. The efficacy of the proposed model and the psychometric properties of structure were analyzed using the analytic hierarchy process (AHP). The hierarchical structure of corporate innovation activities are composed of 'R&D' and 'government support', and 'Inside R&D, Outsourcing R &D, Consortium R&D'. As a result of analyzing companies that received more than one type of R&D government support, it can be seen that 'government support' (72.1%) is more important than 'research and development' (27.8%). In addition, this study found key sub-factors loadings including Assistant Support (30.1%), Tax Support (22.7%), Funding Support (18.8%), Inside R&D (10.8%), Outsourcing R&D (10.3%), and Consortium R&D (7.2%). Analysis results suggest that the priorities of detailed innovation activities of R&D and government support affect product innovation and process innovation, which in turn, influence business performance and maximization of SMEs. This implies that SMEs who want to participate in the government support project will be helpful in setting the direction of innovation activities. This study also suggests the importance of strategic priorities among the decision elements for CEOs.
Journal of the Korean Regional Science Association
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v.34
no.4
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pp.3-18
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2018
These days, regional innovation draws more attention than ever as a growth engine for regional economies, and governments put a variety of efforts to establish Regional Innovation systems(RISs). In this circumstance, this study aims to analyze types of RISs and the combinations of the factors influencing innovation performance as measured by patent application. Most of previous works have depended on case-oriented or variable-oriented strategy to classify types of RISs or to analyze the effects on performance of innovation factors, having some limitations: Variable-oriented approaches fail to capture complex combinatory effects of factors, while case-oriented approaches tend to depend on subjective interpretation. This study made use of the recently proposed fs/QCA(Fuzzy-set Qualitative Comparative Analysis) to overcome the limitations of those strategies. Based on the theory of RIS, three factors for regional innovation-input, infrastructure, and network-are used to classify 16 Korean Provinces. The results show that eight types of regional innovation types are identified, and that most of the regions are classified into either IN-type, equipped with high levels of Input and Network, or F-type, with high levels of infrastructure. In addition, applying seven sub-variables of the three factors to the fussy-set combination factor analysis, we examine a combination of factors influencing patent application. The results show that regions with high levels of R&D expense, valid patent, industry-academia cooperation, IP budget, and TLO values, and low IP capital almost always have a high level of patent application. Therefore, for regional innovation, the public sector needs to provide institutional support for R & D personnel training. It is also important to for both the public and the private sectors to make efforts to stimulate IP financing.
Journal of agricultural medicine and community health
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v.31
no.1
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pp.21-34
/
2006
Objectives: The purpose of this study was to investigate the knowledge, attitude and practice toward sanitary administration of the new restaurateurs, to carry out the sanitary management of business for improvement of sanitary level, and to provide basic data which were necessary for sanitary education of the restaurateurs. Methods: The self-recording survey on the attitude and the knowledge toward the sanitation, the sanitary administration, and its education was conducted against new 393 restaurateurs by the administrative division of Gwangju city in charge of the food industry which put in the regular sanitary education annually for the new restaurateurs. Results: In regard to food sanitation, some 87.9% to 94.4% got the right knowledge about the reason and precaution of food poisoning, storage methods of frozen or cold food, and the disposal of product after expiration of validity term. But it was about 56.0% to 63.0% who knew right about the cause and the major precaution of food poisoning, storage temperature in the refrigerator. 30.6% of the subject placed an emphasis on personal sanitation of the workers as the most important thing in the sanitary management. 83.6% replied that it was necessary to improve the sanitary level. Concerning the health examination, 78.3% replied it was needed. 76.4% pointed the need for education, but respondents with higher educational level less emphasized its needs. It was most frequently pointed out by 71.6% restaurateur's poor awareness about it. 36.7% indicated the environmental sanitation like facilities in the restaurants as the first thing to be improved. The rate of personal sanitation was 43.7%. Conclusions: To improve the poor sanitary conditions of the food service business, it was recommended to offer institutional backing and financial aid from administrative office, to encourage restaurateurs to take pride in their job, and to conduct the sanitary education effectively by the technical education institution.
Journal of the Korea Society of Computer and Information
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v.25
no.9
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pp.37-44
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2020
AI technology has developed in the form of decision support technology in law, patent, finance and national defense and is applied to disease diagnosis and legal judgment. To search real-time information with Deep Learning, Big data Analysis and Deep Learning Algorithm are required. In this paper, we try to predict the entrance rate to high-ranking universities using a Deep Learning model, RNN(Recurrent Neural Network). First, we analyzed the current status of private academies in administrative districts and the number of students by age in administrative districts, and established a socially accepted hypothesis that students residing in areas with a high educational fever have a high rate of enrollment in high-ranking universities. This is to verify based on the data analyzed using the predicted hypothesis and the government's public data. The predictive model uses data from 2015 to 2017 to learn to predict the top enrollment rate, and the trained model predicts the top enrollment rate in 2018. A prediction experiment was performed using RNN, a Deep Learning model, for the high-ranking enrollment rate in the special education zone. In this paper, we define the correlation between the high-ranking enrollment rate by analyzing the household income and the participation rate of private education about the current status of private institutes in regions with high education fever and the effect on the number of students by age.
The objective of this study is to describe the frequency of workplace health promotion activites. For this objective, questionaire was requested to 648 trainees of Korea Industrial Safety Corporation. Respondents' positions were safety manager, health care manager, or representatives of employee. Major findings are as follows: 1) Of responding workplaces, 66.2% supported the activities related to promote employees' health. The support rate was higher of Manufacturing and Tranport than others. And the lager workplaces had the higher support rate. 2) Most frequent activity is exercise program. But the prevalence of smoking cessation, stress management, nutrition education and women health care was very low. Major contents of support were to pay the cost of these activites and to equip the places or the facilities. 3) 24.9% had the non-smoking policy in the workplace. 98.6% equiped the places and facilities for employees. Mean number of facilities across all workplaces was 2.96 and that of exercise circles was 3.60. In conclusion, it was suggested that the stratege was needed to develop the Korean model for workplace health promotion on the basis of exisiting activites.
One of the debates regarding the college admission systems is about which admissions screening works as a mechanism for social mobility, between early and regular admissions. This study attempted to contribute to related discussions by analyzing the income level of college admissions students according to the admissions screening (early vs. regular admissions) using data from the third year survey of the Korean Education & Employment Panel II (KEEP II). Analyzing the dataset, we found that parental income was almost the same between students admitted from early and regular admissions. To be specific, average monthly parental income was 586.4 million Korean Won for students admitted from early admission while it was 585.4 million Korean Won for those admitted from regular admission, which means that the difference between the two was neither practically nor statistically significant. Applying the chi-square test, we tested whether the relationship between parental income and types of college admissions and found no statistical significance. Finally, categorizing colleges where students are admitted by ranking, we compared parental incomes among students. We found that parental income was higher for top-ranked universities, and that parental income was higher for students admitted from early admission. We concluded that early admission can possibly be an admission system for "well-offs" between the two, and that early admission may not be working as a pathway to facilitate social mobility compared to the regular admissions.
Entrepreneurs recognize that their passion was an important factor in driving successful entrepreneurship. However, they were often unaware of the impact that third-party passions related to startups have on them. Therefore, in this study, it was verified whether the accelerator incubation program had an effective effect on portfolios. At this time, I tried to do an empirical analysis focusing on how the third-party accelerator entrepreneur passion affects the entrepreneurial performance of portfolios. To this end, a survey was conducted on representatives of portfolios across the country who completed the accelerator incubation program, and empirical testing was conducted based on 330 valid ones. As a result of empirical analysis, it was confirmed that mentoring and networking among accelerator incubation programs had a positive (+) effect on entrepreneurial performance of portfolios. On the other hand, education and seed investment in the accelerator program did not significantly affect the entrepreneurial performance of portfolios. On the other hand, it was tested that accelerator entrepreneur passion significantly moderated both the incubation program elements (education, mentoring, network, seed investment) and the entrepreneurial performance of portfolios. The results of this study are meaningful in that they reveal that the passion of accelerator entrepreneurs is an important lynchpin of incubation programs and the key to success in startups. In addition, this study suggests that it is important for startups to go one step further from seed investment and properly identify the accelerator entrepreneur and his passion, the key man of accelerators.
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