• Cartoon and Animation Studies
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• s.19
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• pp.51-64
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• 2010

Although there has been a significant technological and representational achievements in domestic animation industry since the beginning of the 21th century due to the high expectation and boost in production, domestic long and short film animations have been less favored compared to foreign animations because they are less entertaining. For small scale productions including students, it is easier to create short film animations due to small budget and short time frame. In addition, as shown in Pixar animation studios case, production of short film animations can lead to success in production of long film animations from better ideas and technology improvements. This research studies factors that contribute to entertainment and humor of short film animation by examining Pixar's short film animations based on Henri Bergson's comedy factors, which are shape, movement, situation and language, and personality. The most noticeable fact is that the humor by situation is found in all short films. Comedy aspect shown in the form of character's internal characteristic is something that has to be considered from the beginning of character design. Contribution of language is minor compared to movement or gesture, which are more often used to cause humor. Finally, character's personality has to be clear and decided beforehand in order to create comedy situations. After studying various short film animations, I found out that the more successfully humorous an animation is, the more it uses various combinations of the above mentioned comedy factors. By fully analyzing and adopting commercially and artistically successful Pixar's short film animations as the benchmark, planning and production of domestic short film animations can perform entertainment role both domestically and globally.

• The Journal of the Korea Contents Association
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• v.13 no.5
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• pp.234-242
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• 2013

In 2007, Long-Term Care Insurance Law was enacted to share the family burden of caring for the elderly who are unable to perform every day living activities due to their old age and chronic diseases such as senile dementia, diabetes mellitus, stroke and more. Backed by this law, since 2008, care workers have been sent to the elderly care centers or each elder's home to help them not only with their recovery from illnesses, but also with general activities from dressing, eating, bathing, walking even to toileting. However, according to the recently released survey by National Human Rights Commission, it has been found that the caring workers are in a very poor working condition including low income, abused blanket wage system, shortage of welfare services, extra works and even sexual harrassment. It is becoming an important issue due to fast-ageing population, the fact that the care workers have had experiences of violation in their right of labor while they are at work needs to be carefully treated. In that sense, this article presents some difficulties the caring workers face and proposes effective ways to solve these problems through the perspective of human rights and human labor rights based on the report written by National Human Rights Commission. In short, for this law to function properly and to boost the worker's capability of providing better services to beneficiaries, followings can be good answers - enhanced management and supervision on caring plans and care centers, providing immediate counselling and protection for victimized care givers, training courses offered to promote service receiver's sincere respect and strengthened awareness upon care givers.

• The Journal of the Korea Contents Association
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• v.16 no.6
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• pp.19-39
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• 2016

Hallyu in East Europe has been spread since the end of the 2000s and contributed to boost the familiarity and favorability of Korea. Hallyu in East Europe started from Romania and Hungary, Korean dramas and K-Pops spread to Bulgaria. Korea and Bulgaria established a diplomatic relations in 1990; however, people of both countries do not share enough information or knowledge on each other. This study aims to understand the meaning of Hallyu and the ways of building cultural relations through Hallyu based on the cognitions and attitudes toward Korea and Korean culture in Bulgaria. It conducted the Focus Group Discussions(FGD) for 24 Sofia residents in their 20s and 30s. The FGD questions were mainly on the level of familiarity and of impacts of Hallyu in Bulgaria. The Hallyu in Bulgaria is still not so popular although Hallyu has been promoted through the diverse activities of Korean Embassy, Sofia University, Korean language institutions, and the Hallyu fans. The economic and cultural impact of the Hallyu is not yet viable in Bulgaria. In order to be recognized as one of the foreign popular culture in Bulgaria, Hallyu should be promoted with various endeavors for Bulgarian people to experience Korean culture beyond Korean drama and K-Pops based on the understanding of socio-cultural characteristics of Bulgaria. Then, Hallyu will be spread by producing Korean dramas, films, and K-pops reflected by local cultural characteristics in Bulgaria and hybridity of Korean popular culture.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.19 no.1
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• pp.688-698
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• 2018

The government has recognized the importance of smart city indicators and prepared the legal grounds for the certification of smart cities in the recently revised "Act on Smart City Development and Industrial Promotion." This study derived smart city indicators adequate for the domestic conditions and compatible with the overseas trends by examining and complementing the indicators through an AHP analysis based on consultations and interviews (surveys) with experts and local government officials, who are actually carrying out related projects. In addition, the adequacy and reliability of the indicators were confirmed by verifying and certifying the Korean local governments' smart city plans through demand surveys on a trial basis. This study is meaningful in that it systematically studies the smart city indicators that have gained in importance and reviews their application. The findings of this study can be used as a basis for implementing a smart cities certification system in the future. Recently, the Special Committee on Smart Cities was established under the Committee for the Fourth Industrial Revolution. This committee is composed of civilian members and is working with the Ministry of Land, Infrastructure, and Transport, the Ministry of Science and ICT, etc., to promote the creation of smart cities. It is expected that smart city indicators that include the levels of both domestic and overseas smart cities will boost the active spread of such cities in Korea.

• The Journal of the Korea Contents Association
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• v.18 no.7
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• pp.272-281
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• 2018

The purpose of this study was to examine the influence of an academic tutoring program on interpersonal relationships, self- directed learning capability and academic self-efficacy. The research question posed in this study was whether an academic tutoring program would affect interpersonal relationships, self-directed learning capability and academic self-efficacy. To address the research question, a self-administered survey was conducted to gather data on 214 students who participated in an academic tutoring program during a semester from September 4 to November 10, 2017. The findings of the study were as follows: After their participation in the tutoring program, there was a little decrease in self-directed learning capability and personal learning orientation, and they made progress in interpersonal relationships and academic self-efficacy. By gender, there was the greatest improvement in interpersonal relationships as well after their participation in the tutoring program. By academic year and motivation for participation, they showed the best improvement in interpersonal relationships as well, followed by academic self-efficacy. In other words, it could be said that the parts which the tutoring program brought about the biggest change to and worked best on were interpersonal relationships and academic self-efficacy. In conclusion, the improvement of interpersonal relationships and academic self-efficacy could boost not only the school adjustment of students but their academic levels and then eventually prevent them from dropping out. Therefore this program seems to be one of outstanding learning programs that could make a contribution to the stable management and qualitative competitiveness of universities.

• Journal of Korea Technology Innovation Society
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• v.19 no.3
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• pp.511-544
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• 2016

Standards boost technological innovation by promoting information sharing, compatibility, stability and quality. Identifying groups of companies that particularly benefit from these functions of standards in their technological innovation and commercialization helps to customize planning and implementation of standards-related policies for demand groups. For this purpose, this study engages in profiling of SMEs whose R&D objective is to respond to standards as well as those who need to implement standards system for technological commercialization. Then it suggests a prediction model that can distinguish such companies from others. To this end, decision tree analysis is conducted for profiling of characteristics of subject SMEs through data mining. Subject SMEs include (1) those that engage in R&D to respond to standards (Group1) or (2) those in need of product standard or technological certification policies for commercialization purposes (Group 2). Then the study proposes a prediction model that can distinguish Groups 1 and 2 from others based on several variables by adopting discriminant analysis. The practicality of discriminant formula is statistically verified. The study suggests that Group 1 companies are distinguished in variables such as time spent on R&D planning, KoreanStandardIndustryClassification (KSIC) category, number of employees and novelty of technologies. Profiling result of Group 2 companies suggests that they are differentiated in variables such as KSIC category, major clients of the companies, time spent on R&D and ability to test and verify their technologies. The prediction model proposed herein is designed based on the outcomes of profiling and discriminant analysis. Its purpose is to serve in the planning or implementation processes of standards-related policies through providing objective information on companies in need of relevant support and thereby to enhance overall success rate of standards-related projects.

• Journal of Korean Neurosurgical Society
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• v.30 no.3
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• pp.334-341
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• 2001

Objective : We have currently changed treatment strategies to methotrexate(MTX)-based preirradiation chemotherapy with subsequent planned radiation for the initial therapy of primary central nervous system lymphoma (PCNSL). The aim of this study was to evaluate the results of treating PCNSL with chemotherapy plus radiotherapy (CRT) or radiotherapy(RT) alone. Method and Material : This study involved 10 females and 3 males patients with a mean age of 54.2 years. All patients underwent surgery, open(8 cases) or stereotactic biopsy(5 cases) for histological diagnosis. Eleven tumors were diffuse large B-cell lymphomas. Tumor volume change in the follow-up images and survival time were evaluated in patients treated with CRT and RT alone. In the beginning, two patients received ProMACE-Cytabom chemotherapeutic regimen, but did not complete the course and died of progressive tumor 8 and 9 months after diagnosis, respectively. One patient died at 6 months before chemotherapy. These three were excluded from the survival analysis. Five patients(RT group) completed full courses of cranial irradiation with or without boost. For the current combined modality treatment, high-dose MTXbased chemotherapy(systemic and intrathecal MTX, IV vincristine, and oral procarbazine) followed by whole brain irrdiation to 45Gy to tumor was introduced in 5 patients of CRT group. Result : A complete response was achieved in three of five who received RT only and in all of five who received CRT. All patients in CRT groups are in disease free status at a mean 23 months following therapy. The RT group patients refused any additional salvage therapy at tumor relapse and survived at mean 20 months from diagnosis. The Karnofsky performance status improved in eight of ten patients with treatment. The treatment toxicity included leukoencephalopathy in RT group and severe leukopenia, transient hepatitis, avascular necrosis of femoral head, hearing loss, and amenorrhea in CRT group, respectively. Conclusion : The combined modality therapy of MTX-based chemotherapy plus radiotherapy for PCNSL may enhance tumor response and improve patient survival. The patients who received CRT should be carefully followed up because of the higher risk of treatment-induced late neurotoxicity.

• Journal of KIISE:Software and Applications
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• v.33 no.4
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• pp.365-377
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• 2006

Proteins are known to perform a biological function by interacting with other proteins or compounds. Since protein interaction is intrinsic to most cellular processes, prediction of protein interaction is an important issue in post-genomic biology where abundant interaction data have been produced by many research groups. In this paper, we present an associative feature mining method to predict implicit protein-protein interactions of Saccharomyces cerevisiae from public protein interaction data. We discretized continuous-valued features by maximal interdependence-based discretization approach. We also employed feature dimension reduction filter (FDRF) method which is based on the information theory to select optimal informative features, to boost prediction accuracy and overall mining speed, and to overcome the dimensionality problem of conventional data mining approaches. We used association rule discovery algorithm for associative feature and rule mining to predict protein interaction. Using the discovered associative feature we predicted implicit protein interactions which have not been observed in training data. According to the experimental results, the proposed method accomplished about 96.5% prediction accuracy with reduced computation time which is about 29.4% faster than conventional method with no feature filter in association rule mining.

• The Transactions of the Korean Institute of Power Electronics
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• v.12 no.6
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• pp.456-464
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• 2007

This paper proposes a novel three-phase current-fed active clamp DC-DC converter for fuel cells. A single common active clamp branch is used to limit transient voltage across the three-phase full bridge and to realize zero-voltage switching(ZVS) in all switches. To apply for the power generation system current-fed type has been combined with the three-phase power conversion system. The proposed approach has the following advantages: an increase (by a factor of three) of input current and output voltage chopping frequencies; lower RMS current through the inverter switches with higher power transfer capability; reduction in size of reactive later components and the power conditioning system; better transformer utilization; increase of the system reliability. Therefore, the proposed three-phase current-fed active clamp DC-DC converter is appropriate for the boost type DC-DC converter for fuel cells and also applicable for the photovoltaic and battery charge system. The paper details the analysis, simulation and hardware implementation of the proposed system. Finally, experimental results with the proposed PWM strategy demonstrate the feasibility of the proposed scheme on a 500W prototype converter.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.37B no.11
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• pp.1072-1081
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• 2012

For Ka-band satellite communication system, a new flexible payload technologies which can compensate rain attenuation have to be developed. The Ka-band satellite output power control technology enables to adjust downlink output power of satellite payload in Ka-band (19.8 ~ 22.2 GHz). In this paper, we introduce multi-beam antenna with multi-port amplifiers for Ka-band flexible output power allocation system. We have designed multi-beam antenna with array-fed reflector to form 8 beams on the Korean Peninsula. The target EIRP per beam is more than 59 dBW. The system is designed to present 6 dB boost beams for rainfall areas. Individual beams were optimized by the excited amplitude and phase of feed elements of the feed cluster. The multi-port amplifier(MPA) is one of effective approaches for flexible power allocation in combination with multi-beam antenna. In case of using MPA in multi-beam system, the inter-port isolation characteristic of MPA is important parameter to avoid interference among the output ports. In this paper, we propose a new MPA structure that consists of two $4{\times}4$ Buttler matrixes and phase/amplitude controllable power amplifier modules.