• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2001.05a
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• pp.260-264
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• 2001

In this paper we suggest a method for translating (or integrating) XML documents into Voice XML documents in order to provide voice communication service. In the forthcoming web environment, XML will certainly overwhelms HTML. At this situation, the method of accessing data through the more various types of terminal machines is required.'rho best way is to use Voice XML by which the data accessing method is able to change from Web to the wired or/and wireless terminal at low costs. Thus we suggest a method for integrating the XML-based system into the Voice XML-based one.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2016.10a
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• pp.838-839
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• 2016

IEEE 802.15.4 is the standard wireless link technology for low power, low cost, but long lifetime applications including wireless sensor network (WSN). Currently, whether or not IP architecture should be used in WSN over its 802.15.4 link is under dispute. Such kind of arguments may last for a long time without some convincing experimental measurements of real case performances of IP over 802.15.4 implementation, and thus prevent the advance of related research. In RFC4944, IETF proposed the 6LoWPAN specification to enable IPv6 communication over low power, wireless personal area networks. We try to alleviate the dispute and make the direction clearer to the community so as to promote further valuable research in this topic.

• Journal of the Korea Convergence Society
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• v.10 no.12
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• pp.191-197
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• 2019

This study aimed to provide the basic data necessary for lowering the academic and job stress and turnover rate of male dental hygienists in the future, by understanding the academic and job stress factors of male dental hygienists. As the research method, this study conducted the one-to-one interview with five male dental hygienists with career experiences for 1-5 years at dental hospital and dental clinic, and the interview took about an hour. In the results of this study, the main academic stress factors were interpersonal relationship and too much assignment while the main job stress factors were communication problems with female staffs and director, and anxiety about the future. They relieved their stress through meeting with friends, relaxation, and hobbies. Based on such results of this study, it would be necessary to suggest the measures for improving the interpersonal relationship in academic life of male dental hygienists, providing information about employment, and also finding the future-oriented goals and confidence in the profession as a male dental hygienist.

• Archives of design research
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• v.11 no.3
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• pp.149-162
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• 1998

This study is what tried to examine the importance of material in industrial design. Then, if planning is to start of product design, the use of material is the last step to complete design. Design material has existed from the time before mankind were born, and the new material which is useful for human beings is developing rapidly. It is no exaggeration to say that our environment is the aggregation of material which was surrounded with us. Then, material has the timely, spatial and cultural feature as well as physical feature. Besides, all sorts of functions of communicating information are being contained in accordance with the character of material. The outside surface of material has the function to develop the sense organ of human beings. This study examines 4 kinds of cultural features in design materials and shown by findings is as follows : Rrst is the technical progressivity to lead new Design form. Second is the symbolic nature to perform the communication function. Third is the sensible attribute to develop surface effect of Design material. Fourth is the future-oriented nature to convince the future such as new material and technology etc. Thus, so as to perform the competitive product design, it is important to grasp the harmony between material and design, structure and processing, and the substantial meaning that the material has and apply them properly, above all. Because the discovery of material will be the measure to forecast future design.

• Journal of the Korea Convergence Society
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• v.11 no.12
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• pp.319-327
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• 2020

This purpose of this study was to provide information to contribute to the expansion and development of badminton clubs by identifying the effects of self-identity and self-resilience of badminton club members on interpersonal relationships. Thus, in order to achieve the objectives of this study, 259 badminton club members were verified throught correlation analysis and stepwise multiple regression analysis, which resulted in the following result: First, Among the sub-factors of self-identity, ego-resilience and interpersonal relationships, all of them were statistically relevant, except for a few factors in handling anger management, first-time relationships, self-exposure, and dealing with interpersonal conflicts. Second, Among the sub-factors of interpersonal relationships, the factors affecting the first relationship were interpersonal efficiency, future certainty, intimacy, anger management and subjecthood. The factors affecting the claiming displeasure with others were subjecthood and intimacy. The factors affecting the self-exposure were interpersonal efficiency and subjecthood. The factors affecting the emotional support and advice were subjecthood and optimistic attitude. The factors affecting the dealing with interpersonal conflicts were anger management and confidence. Therefore, the factors of self-identity and self-resilience of badminton club members suggest that they serve as important factors to facilitate interpersonal relationship.

• Journal of Korean Home Economics Education Association
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• v.20 no.3
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• pp.49-64
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• 2008

The purpose of this study was to identify the relationships between the self-identity and career maturity of middle school students in Gyeongnam province. For this purpose following questions were formulated. First. Are there statistically significant differences in middle school students' self-identity by their background variables? Second, Are there statistically significant differences in middle school students' career maturity by their background variables? Third, How is the relationship between self-identity and career maturity? Fourth, How are the influences of background variables and self-identity on students' career maturity? Self-identity and career maturity were measured over 551 9th grade students(317 male and 234 female students) in Changwon, Jinju, Geoje, Hadong, Sancheong, and Tongreong areas. Frequency analysis, Cronbach'$\alpha$, t-test, one-way ANOVA, and multiple regression were used for statistical analysis. The results indicated that: 1. There were statistically significant differences in self-identity by mother's educational level, student's GPA, and economical background; 2. There were statistically significant differences in career maturity by student's gender, mother's educational level, and student's GPA; 3. There was 3. There were high static correlation between self-identity and career maturity and its subordinate items; 4. Sex and self-identity and its sub-items of students' independence, self-receptiveness, firm future goals, goal-orientation, intimacy have relative influences on career maturity.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.15 no.5
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• pp.113-118
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• 2015

Mobile wireless networks have received a lot of attention as a future wireless network due to its rapid deployment without communication infrastructure. In these networks communication path between two arbitrary nodes break down because some links in the path are beyond transmission range($r_0$) due to the mobility of the nodes. The set of total path break down time(${\bigcup}T_i$), which is the union of path break down time of every node pair, can be a good measure of the connectivity of the dynamic mobile wireless network. In this paper we show that the distribution of the total path break down time can be approximated as a exponential probability density function and confirms it through experimental data. Statistical knowledge of break down time enables quantitative prediction of delay, packet loss between two nodes, thus provides confidence in the simulation results of mobile wireless networks.

• Smart Media Journal
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• v.9 no.4
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• pp.91-96
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• 2020

A blockchain is a technology in which all nodes participating in a distributed network manage each transaction's contents without a central server managing the transaction, which is a record of the transaction. The block containing the transaction record of a specific period is connected to the blockchain by referring to the hash value for the previous block, and the chain with the new block added is shared with all nodes again. Transactions using existing certificates will pass through FinTech, and in the near future, applications using blockchains are expected to emerge. In this study, we analyze the problems of the existing model, and propose a transaction model that applies the blockchain to come. Among various applications, this study develops a trading model targeting the energy sales market among the topics that will lead the fourth industrial revolution. As a result of analyzing the proposed model, it was possible to be sure of the possibility of a safer energy sales transaction than the existing method.

• Journal of Industrial Convergence
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• v.18 no.3
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• pp.83-89
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• 2020

This paper describes the effects of Novel Engineering(NE) on improvement of creative problem-solving abilities. We performed two classes for control and experience group. They are all 5th grade students. Core concept of the NE lesson is ecosystem and interaction with 8 hours long. We designed a lesson able to integrate subjects like Korean, Science and Practical Arts. Then we performed pre-and-post t-test on creative problem-solving ability. The experimental results showed that NE lesson has a high effects on 4 sub-elements like self conviction and independence, diffusion thinking, critical thinking and motivational component. The research showed that NE class is a good teaching-learning method to cultivate various competencies for our children. NE is a convergence learning model integrating various problem-solving paradigms ever researched. Thus we expect that NE is a foundation for convergence curriculum model to lead our children to their future and get settled to all schools.

• Journal of the Korean Society for Marine Environment & Energy
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• v.14 no.2
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• pp.93-106
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• 2011

This review has dealt with definition, size, history, and status of mesocosm, and also discussed several problems and trouble shootings related to the building of mesocosm, and finally will suggest the future directions of this scientific tool. Due to the restriction of the space, the discussion mainly focused on "the mesocosm building for the soft-bottom ecosystem". The mesocosm is defined as "medium-sized, self-sustaining, and man-controllable ecosystem". This type of studies has already initiated since 1960, but nowadays it expands to the diverse fields of science and technologies, such as toxicology, limnology, environmental sciences and engineering, and even geochemistry. As a scientific tool, the mesocosm requires following aspects; replicability, repeatability, and ecological realism or accuracy. Several technical problems have to be solved for the perfect building of mesocosm. They are known as scaling, composition of seawater/sediment, light intensity, turbulence, hydraulic residence time, and top predator. These trouble shootings are provided at the discussion in detail. In the context, I expect two promising directions in the future; 1. Objectivity based on the diverse statistical methodologies, 2. "Living ecosystem modelling" coordinated with the mathematical modelling. With these, the mesocosm will be more powerful tool for the scientists and engineers to investigate the chemical and the ecological responses to the toxic materials and global climate changes.