• 한국항해항만학회지
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• 제38권1호
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• pp.1-9
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• 2014

As the ratio of women's socioeconomic participation expanded, this phenomenon appeared maritime industry. The advent of female seafarers will be the solution for the shortage of seafarer as well as for women's employment instability all over the world. This paper analyzed the state of present female maritime officers and suggested the activation strategy which preliminary female officers advised by AHP and STOW analysis. This paper finds to strengthen their superior aspects like professional knowledge, practical ability, job performance, improve the education system by gender, strengthen the career path and transform the policy for them by sensitively external changes by government and education institutions.

• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 2003년도 ICCAS
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• pp.1917-1920
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• 2003

Automatic tracking of a moving object such as a person is a demanding technique especially in surveillance. This paper describes an experimental system for tracking a moving object on the ground by using a visually controlled aerial robot. A blimp is used as the aerial robot in the proposed system because of its locality in motion and its silent nature. The developed blimp is equipped with a camera for taking downward images and four rotors for controlling the progression. Once a camera takes an image of a specified moving object on the ground, the blimp is controlled so that it follows the object by the employment of the visual information. Experimental results show satisfactory performance of the system. Advantages of the present system include that images from the air often enable us to avoid occlusion among objects on the ground and that blimp’s progression is much less restricted in the air than, e.g., a mobile robot running on the ground.

• Journal of Information Processing Systems
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• 제11권2호
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• pp.165-172
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• 2015

The inactive student rate is becoming a major problem in most open universities worldwide. In Indonesia, roughly 36% of students were found to be inactive, in 2005. Data mining had been successfully employed to solve problems in many domains, such as for educational purposes. We are proposing a method for preventing inactive students by mining knowledge from student record systems with several state of the art ensemble methods, such as Bagging, AdaBoost, Random Subspace, Random Forest, and Rotation Forest. The most influential attributes, as well as demographic attributes (marital status and employment), were successfully obtained which were affecting student of being inactive. The complexity and accuracy of classification techniques were also compared and the experimental results show that Rotation Forest, with decision tree as the base-classifier, denotes the best performance compared to other classifiers.

• 대한조선학회논문집
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• 제40권5호
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• pp.53-59
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• 2003

Ocean space utilization using VLFS(Very Large Floating Structures) can provide environmental impact free space by allowing sea water flow freely through the floating structure. Use of Pontoon type VLFS for that purpose needs employment of breakwaters for reduction of wave effects. Therefore, in order to maximize advantage of environmental impact free structure, the breakwater should be the one that can allow water flow freely through it, too. In this paper hydroelastic response of a pontoon type structure is analyzed considering breakwaters which allow water flow through its opening at bottom of the breakwaters. Mode superposition technique is used for solving equation of flexible body while interactions between the pontoon and breakwaters is considered based on generalized mode concept. Bi-quadratic nine node higher-order boundary element method is adopted for more accurate numerical treatment near sharp edged body shape. Performance of various combinations of breakwaters is investigated.

• Bulletin of the Korean Chemical Society
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• 제23권5호
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• pp.674-678
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• 2002

The dehydrogenation of propane to propylene has been studied in an isothermal high-temperature shell-and-tube membrane reactor containing a Pd-coated ${\psi}$-Al2O3 membrane and a Pt/K/Sn/Al2O3 packed catalyst . A tubular Pd-coated ${\psi}$-Al2O3 membrane was prepared by an electroless plating method. This membrane showed high hydrogen to nitrogen permselectivities (PH2N2 = 10-50) at 400 $^{\circ}C$ and 500 $^{\circ}C$ with various transmembrane pressure drops. The employment of a membrane reactor in the dehydrogenation reaction, which selectively separates hydrogen from the reaction mixture along the reaction path, can greatly increase the conversion and enable operation of the reactor at lower temperatures. High hydrogen permselectivity has been confirmed as a key factor in determining the reactor performance of conversion enhancement.

• 한국치위생학회지
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• 제14권5호
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• pp.631-639
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• 2014

Objectives : The purpose of the study is to investigate the influencing factors on English interest and anxiety in dental hygiene students. Methods : A self-reported questionnaire was filled out by 1,040 dental hygiene students in six universities in Busan and Gyeongnam from April 1 to 30, 2013. The questionnaire consisted of general characteristics, foreign language performance anxiety scale, and English interest. The data were analyzed using descriptive statistics, independent t-tests, one-way ANOVA, and multiple regressions. Results : Those who travelled abroad tended to have a liking for English. English credits significantly influenced on English interest. and employment. The period of English study was proportional to interest and grade of English. Conclusions : The interest and anxiety for English was the major factor to improve the mastery of English. The dental hygienists must try to improve the mastery of language proficiency.

• 시스템엔지니어링학술지
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• 제5권1호
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• pp.57-65
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• 2009

The purpose of Defense Acquisition Project is that the superior weapons validated needs and performance are supplied to military user with limited financial resources and time. The Warship Acquisition Project is not only like this, But also has special characteristics of long project period and first-constructed ship's operation employment. So, The Warship Acquisition Project need systematic and efficient procedure & management. And this paper researches System engineering application of imaginary WIG(Wing-In-Ground Effect) ship acquisition project based Systems Engineering Handbook ver.3.1 published by INCOSE, the lead of field. The Imaginary WIG(Wing-In-Ground Effect) ship acquisition project applied the four processes(technical project, Enterprise & Agreement, Enabling Systems), the basis of INCOSE Engineering Handbook ver.3.1, and the each process output compared with DAPA(Defense Acquisition Program Administration)'s warship acquisition procedure.

• Journal of Communications and Networks
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• 제8권1호
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• pp.123-131
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• 2006

Several distributed architectures, incorporating mobile agent technology, have been recently proposed to answer the scalability limitations of their centralized counterparts. However, these architectures fail to address scalability problems, when distributed tasks requiring the employment of itinerant agents is considered. This is because they lack mechanisms that guarantee optimization of agents' itineraries so as to minimize the total migration cost in terms of the round-trip latency and the incurred traffic. This is of particular importance when MAs itineraries span multiple subnets. The work presented herein aspires to address these issues. To that end, we have designed and implemented an algorithm that adapts methods usually applied for addressing network design problems in the specific area of mobile agent itinerary planning. The algorithm not only suggests the optimal number of mobile agents that minimize the overall cost but also constructs optimal itineraries for each of them. The algorithm implementation has been integrated into our mobile agent framework research prototype and tested in real network environments, demonstrating significant cost savings.

• 가정과삶의질연구
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• 제21권5호
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• pp.41-50
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• 2003

The purpose of this study is to investigate the level of the socialization of family rituals and compare the attitudes between the younger and the older generation. Research data were collected in 2002 from households living in Jinju. The subjects of this study were college students and their mothers. The results of this study were as follows: The socialization of the following family rituals is increasing: the first birthday party, banquets for parents' 60th birthday, wedding anniversaries, employment ceremony, and commencement ceremony. There was significant difference in the attitude between younger and older generations regarding performance of the family rituals.

• 대한가정학회지
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• 제33권4호
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• pp.213-233
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• 1995

This study explores the overall attitudes of family life used data from dual-earner wives(N=773) who contribute to household economics. The major hypothesis of this study is that employed wives are more likely to be equal in performing their roles at home than full-time homemakers. However, a pattern of asymmetry exists concerning the role performance of wives regardless of their employment The specific findings are as follows : (1) Wives indicate the instrumental and the dual(mixed the traditional value with the developmental value) perceptions of marriage. (2) It is not equal in the distribution of family resources and the procedure of decision-making among couples. (3) The household labor is mainly performed by wives. (4) Wives are mainly responsible for child-rearing and indicate the inconsistent perception of mothering From the findings study suggests that : (1) Future research might investigate the reason of low family contribution among employed wives (2) The egalitarianism (role sharing) in household labor and child rearing might be extended. 93) women might be educated to pursue an independent life.