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A Study on the Research Trend of Counter-Terrorism: Focusing on Counter-Terrorism studies of the National Police Headquarters (대(對)테러리즘 분야 연구경향분석:치안본부 대테러연구를 중심으로)

  • Lee, Dae sung;Ryu, Sang Il
    • Convergence Security Journal
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    • v.14 no.3_2
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    • pp.83-91
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    • 2014
  • International society got a severe shock from terrorism of hostage, abduction and murder that was committed on a target of Israel athlete delegation in Munich Olympics, West Germany by Black September, a Palestine terrorism organization. Korea with 1986 Asian Games and 1988 Olympics ahead was directly and indirectly exposed to threats of North Korea's nation-support terrorism, a military provocation and a local war limited warfare. This study explores the roles of the police at the time of the National Police Headquarters with regard to counter-terrorism, and analyzed academic research trends of Studies of Counter-terrorism published by the same office between 1983 and 1990. Looking into them shows a fact firstly, that the most frequently appearing key words in common were "terrorism," "hostages," "measures," and "international," etc. Secondly, before and after 1988 Olympics, the key word "Olympics" was frequently addressed. Thirdly, looking at the difference by the year, the key word, "policies of defense and borderlands" was frequently addressed between 1983 and 1984, "terrorism against South Korea," and "civil aircraft" frequently addressed in 1985, and "corporate" in 1986. In 1987, the key word "terrorism trends" was addressed, and in 1990, "international terrorism," and "separatism" were used.

The Study on the Software Educational Needs by Applying Text Content Analysis Method: The Case of the A University (텍스트 내용분석 방법을 적용한 소프트웨어 교육 요구조사 분석: A대학을 중심으로)

  • Park, Geum-Ju
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.3
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    • pp.65-70
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    • 2019
  • The purpose of this study is to understand the college students' needs for software curriculum which based on surveys from educational satisfaction of the software lecture evaluation, as well as to find out the improvement plan by applying the text content analysis method. The research method used the text content analysis program to calculate the frequency of words occurrence, key words selection, co-occurrence frequency of key words, and analyzed the text center and network analysis by using the network analysis program. As a result of this research, the decent points of the software education network are mentioned with 'lecturer' is the most frequently occurrence after then with 'kindness', 'student', 'explanation', 'coding'. The network analysis of the shortage points has been the most mention of 'lecture', 'wish to', 'student', 'lecturer', 'assignment', 'coding', 'difficult', and 'announcement' which are mentioned together. The comprehensive network analysis of both good and shortage points has compared among key words, we can figure out difference among the key words: for example, 'group activity or task', 'assignment', 'difficulty on level of lecture', and 'thinking about lecturer'. Also, from this difference, we can provide that the lack of proper role of individual staff at group activities, difficult and excessive tasks, awareness of the difficulty and necessity of software education, lack of instructor's teaching method and feedback. Therefore, it is necessary to examine not only how the grouping of software education (activities) and giving assignments (or tasks), but also how carried out group activities and tasks and monitored about the contents of lectures, teaching methods, the ratio of practice and design thinking.

Exploratory Analysis of Consumer Responses to Korea-China Mobile Payment Service using Keyword Analysis -Focus on Kakao Pay and Alipay- (키워드 분석을 활용한 한·중 모바일 결제 서비스에 대한 소비자 반응 탐색적 분석 -카카오페이와 알리페이를 중심으로-)

  • Ke, Jung;Yoon, Donghwa;Ahn, Jinhyun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.22 no.6
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    • pp.514-523
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    • 2021
  • Recently, the proliferation of mobile simple payment services has been increasingly affecting people's lives. In addition, the increase in research from both China and Korea shows that the continuous development of simple mobile payment services will be very important in the future. The blog posts mentioning Kakao Pay and Alipay were collected, and keyword analysis was performed to investigate differences in consumers' responses to Kakao Pay and Alipay on social media. The frequency of keywords for each part of speech and the frequency of co-occurred words mentioned in one sentence were analyzed. Specifically, common words that appear in both Kakao Pay and Alipay blogs were extracted. The cooccurred words were analyzed to examine how different reactions were made on the same subject. As a result of the analysis, there were concerns among consumers about the trust of Kakao Pay and Alipay's benefits. For a mobile payment service to become competitive, it is necessary to add various additional services or solve security problems.

The Relationship between Social Media and Consumer Purchase Decision: Findings from Seoul Sharing Bike (소셜미디어와 소비자 구매 결정과의 관계: 서울 공유 자전거에 대한 시계열 분석을 중심으로)

  • Han, Suhyeon;Jang, Junghwa;Choi, Jeonghye;Chang, Sue Ryung
    • Knowledge Management Research
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    • v.22 no.4
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    • pp.135-155
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    • 2021
  • With the emergence of various types of social media and the diversification of their roles, it has become essential for marketers to understand how different types of social media influence consumers' purchase decisions differently and derive more detailed strategies by social media types. This study classifies social media into two types-expression-focused social media and relationship-focused social media-and investigates the relationship between consumer purchases and social media mentions by type. Using the Seoul bike-sharing data and time-series data for social media mentions, we apply the VAR model with Exogenous Variables (VARX). We find that the increase of product mentions in expression-focused social media positively affects both the number of new customers (customer acquisition) and the number of shared bike rentals, while that in relationship-focused social media negatively affects the number of new customers only. In addition, as new customers increase, the product mentions in both types of social media increase. On the other hand, the number of bike rentals has no significant effect in increasing social media mentions regardless of type. This study contributes to the social media and sharing economy literature and provides managerial implications for establishing sophisticated social media marketing in bike-sharing businesses.

다이리스터 CAD 모델

  • 이창우
    • 전기의세계
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    • v.37 no.5
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    • pp.33-42
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    • 1988
  • 본 기고에서는 앞에서 언급된 다이리스터모델들에 대한 동작과 장점 및 단점에 대하여 기술하고자 한다.

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화력, 원자력 발전의 최근기술동향

  • 차영점
    • 전기의세계
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    • v.28 no.8
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    • pp.29-33
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    • 1979
  • 본고에서는 화력, 원자력의 전반적인 기술추이와 특히 최근 외국문헌에서 화제가 되고 있는 과제중 몇가지를 소개코자하며 아룰러 국내의 실정에 대해서도 간단히 언급코자한다.

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