• The Journal of Korea Institute of Information, Electronics, and Communication Technology
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• v.8 no.2
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• pp.169-177
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• 2015

In this study, we investigate the effect on self-esteem in accordance with job satisfaction and psychological exhaustion of the kindergarten teachers. The data were collected through a survey aimed at 168 kindergarten teachers located in ${\bigcirc}$ gu, ulsan city from September 10, 2014 to October 17. Analysis methodologies using the program SPSSWIN 21.0 and Amos 21.0 were carried out. empirical analysis is verified at the significance level of 5% by t-test, one-way analysis of variance, correlation analysis, confirmatory factor analysis, structural equation. Results are as follows. First, the relationship between job satisfaction and self-esteem can be seen that there is no correlation. Second, the relationship between self-esteem and psychological exhaustion hat there is a correlation with each other. This study found out a direction to maximize the qualitative effects of Childhood Education. Also this study was considered to be the basic data to improve the working environment of kindergarten teachers and to provide a educational direction of early childhood teacher.

• The Journal of Korea Institute of Information, Electronics, and Communication Technology
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• v.8 no.2
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• pp.152-162
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• 2015

This study investigates the effects on job satisfaction and job stress according to teacher efficacy and coping in child care center teachers. The subjects of study were exactly 237 child care teachers and child care center located in Ulsan City ${\bigcirc}$ gun. from September 7 to October 20, 2014 data were collected through a questionnaire. The statistical analysis was performed in order to analyze t-test, one-way analysis of variance, correlation analysis, confirmatory factor analysis and structural equation using SPSS WIN 21.0 and Amos 21.0 program. In addition, the empirical analysis was verified at the 5% significance level.First, teacher efficacy can be seen high when job satisfaction is remarkably high as a result of the analysis econd, know that job satisfaction is mostly lower when a job stress is higher Implications of this study are thought to improve the working environment and to be going to be the base line data for welfare improvement of the child care teacher.

• The Journal of Korea Institute of Information, Electronics, and Communication Technology
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• v.8 no.3
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• pp.203-213
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• 2015

This study aims to figure out job stress and stress coping strategies for administrative personnel working in early childhood educational institution. The survey was conducted targeting 119 administrative personnel working in early childhood educational institution in Gyeonsangnam-do from September 10th, 2014 to December 20th, 2014. SPSS/WIN 18.0 Program for statistical processing, followed by frequency analysis, t-test, correlation analysis and multiple regression analysis. The result of socio-demographic characteristics had differences by factors ages, marriage status, religion and position. correlation. There was negative(-) correlation between lower variables of advices of experienced, change of problem recognition and lower variables of workload, job performance. Third, frequency of drinking and position at work were confirmed statistically as significant factors in regression model. This study is to be basic data to improve administrative personnel's task working in early childhood educational institution.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2010.05a
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• pp.285-288
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• 2010

Chinese hackers hack the e-commerce site by bypass South Korea IP to connect to the third country, finance damaging a violation incident that fake account. 7.7.DDoS attack was the case of a hacker attack that paralyzed the country's main site. In this paper, the analysis is about vulnerabilities that breaches by hackers and DDoS attacks. Hacker's attacks and attacks on the sign of correlation analysis is share the risk rating for in real time, Red, Orange, Yellow, Green. Create a blacklist of hackers and real-time attack will be studied security and air conditioning systems that attacks and defend. By studying generate forensic data and confirmed in court as evidence of accountability through IP traceback and detection about packet after Incident, contribute to the national incident response and development of forensic techniques.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2017.10a
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• pp.212-215
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• 2017

In this paper, VR game was produced to inform the danger of using smartphone while walking and to raise awareness. In this VR games, you can experience Smombie (smart phone and zombie compound word) like a real situation by using Google card board and Bluetooth controller. Designed as a directions game of everyday material, the user indirectly experiences the dangerous situations that may actually occur in everyday life. In the virtual space, you can see the map on the smartphone, navigate the route, and send text messages using the controller during the game. We will explain how to implement smartphone map and send text message using controller which are the main functions of VR game.

• Proceedings of the Korea Information Processing Society Conference
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• 2014.04a
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• pp.192-195
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• 2014

u-Health 서비스는 의료기술에 ICT을 접목하여 보다 나은 건강관련 서비스를 제공할 수 있는 패러다임이다. 그러나 이러한 시스템을 도입하기에는 현실적으로 많은 도전이 존재한다. 개인의 건강관리 도구로 존재할 수 있을 것처럼 보이는 이러한 서비스는 그것이 국민의료의 질과 연관되는 이슈로 확대될 때, 환자라는 소비자집단, 의료인이라는 공급자집단, 그리고 국가라는 보건행정을 담당하는 관리집단의 이익이 첨예하게 대립할 수 있는 이슈가 될 수 있다. 이에 본 연구에서는 이러한 서비스의 제공을 이러한 개개 이익집단의 관점에서 탈피하고 순수한 양질의 의료 서비스 제공의 관점에서 살펴보아 과연 어떠한 ICT 관련 서비스 제공이 의료 환경 제고를 위해 필요한지를 파악해 보고자 하였다. 특히, 원격지에서의 자료공유를 통한 의료 서비스의 질 제고에 대해 관심을 가지고 이를 이익집단간의 이해관계가 크지 않은 ODA국가를 대상으로 하여 적용할 수 있는 서비스 모델을 제안하고자 하였다.

• Journal of The Korean Association of Information Education
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• v.23 no.5
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• pp.415-425
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• 2019

The purpose of this study is to analyse of elementary student experience in software education based on computational thinking framework. A total of 27 students (5th grade) were interviewed who took software education during 4 months in A elementary school which located in Seoul. The findings revealed were as follows: First, the elementary learners were able to perform scratch projects and learn basic concepts for computing thinking. elementary students' studied basic concepts for computational thinking by the process of carrying out their Scratch project. Second, elementary learners were able to confirm the execution of computing accidents in the process of implementing scratch projects. Third, elementary students had change in creative expression and interactive connectivity in terms of learners' computing thinking. The result of this study is meaningful in that it analyzes the educational experience of elementary school students qualitatively and suggests the direction of software education for enhancing computing thinking ability.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2009.10a
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• pp.387-390
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• 2009

Digital devices that apply Ubiquitous-IT Convergence in ship manufacture are used as ship automation device. Need sailing data recording of ship black box that equip integrity and consecutiveness as legal confesser fare that inquire responsibility whereabouts of disaster such as fire of ship. It is research that create Forensic data from ship black box using Multidimensional networking that use ZigBee radio short distance communications division Wireless LAN with short distance RFID sensor that is used in ship in this treatise, UWB communication, GPS and artificial satellite. Sailing recording of shipping that is recorded to black box is transmited, and stores doubly by real time on ship insurance company and ship administration recording membrane using SHA-1 hash function and secure consecutiveness and integrity as Forensic data through artificial satellite encoding by 3DES 1024bit.

• Journal of Korean Library and Information Science Society
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• v.50 no.3
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• pp.167-190
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• 2019

This study developed and applied Biblio-counseling program based on Alfred Adler's individual psychology targeting upper elementary school students who are in transitional stage of physical and psychological development and examined the effect of the program on the children's sense of inferiority, social interest, personality priority. The program was applied to 20 fourth and fifth graders enrolled in K Elementary School located in S City, Gyeonggi-do Province who were evenly divided into experimental group and control group who was applied for a total of 12 sessions. Main results of this study can be summarized as follows. First, in an analysis regarding the analysis result, the sense of inferiority,the social interest and personality priority showed a statistically significant difference between the two groups. Second, the Biblio-counseling program based on individual psychology had positive impact on the subjective response of the upper elementary school students. And students' interest in books and reading books improved.

• Journal of the Korea Institute of Military Science and Technology
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• v.22 no.5
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• pp.654-666
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• 2019

The tactical network has several different characteristics compared with commercial internet network such as hierarchical topology, dynamic topology changing and wireless link based connectivity. For considering IP mobility management in the tactical network, current mobility management using Mobile IP(MIP) is not suitable with some reasons such as non-optimal routing paths and single point of failure. Proxy Mobile IP(PMIP) which supporting network-based mobility in hierarchical manner can provide optimal routing path in the tactical network environment, but centralized anchor is still remained a threat to the stability of the tactical network which changes its topology dynamically. In this paper, we propose PMIP-based distributed mobility management for the tactical network environment. From our design, routing paths are always configured in optimized way, as well as path is recovered quickly when the mobility anchor of user is failed. From numerical analysis, comparing to other mobility scheme, result shows that the proposed scheme can reduce packet transmission cost and latency in tactical network model.