• 한국IT서비스학회지
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• 제9권3호
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• pp.163-178
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• 2010

A service composition has received much interest to provide users with the ad-hoc, seamless, and context-sensitive services dynamically composed from various networked services in context-aware computing environments. In this paper, with the purpose of guiding trends in the researches for dynamic service composition technologies, we investigate and analyze the major related works. For this, we separate semantic based composition from syntax based composition and then establish the comparison criteria by dividing the service composition processes into 3 steps：definition, construction, and execution.

• 한국IT서비스학회지
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• 제10권1호
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• pp.47-64
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• 2011

In the IT(Information Technology) service, which supply the solutions related to business management and IT, network construction and application trends, the related service business are increasing according to the enlargement of project scope and the diversity of project types as the need of service customers. In this paper, I propose the significant effect factors on the network management of IT service firms. The key findings are from the analysis result about 94 IT service firms as follows. For implementation the high performance of network management in the IT service firms, the strategic elements in the process of network construction are more conceived highly than the basic element in them. Also the perspective of project objectives are considered than the nominal perspectives in the partner selection process. The competency of partner firms', the cooperation process between the partner firms', network relation operation management and network relation structure management are the significant effect factors of network management.

• 디지털산업정보학회논문지
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• 제6권2호
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• pp.71-80
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• 2010

This thesis is purposed on developing security product co-evaluation statistics administrate program which is can administrate or analysis CC accreditation product using by DEVS modeling via portal site of member of CCRA. Via developing security product evaluation statistics administrate program, it can analysis the trend of all countries of the world in many ways, and noticed the ways of evaluation and accreditation of most countries via scheme analysis. Except this, it can analysis the situation of accreditation trend of any countries via data analysis of ICCC 2009. Also, For trend analysis to evaluation technique of CCRA member, it analyzed up to date technology and policy of the evaluation organization and the Certification Authority of most countries. And it peformed analysis the most trend of information security of evaluation authorization in CCRA member countries. In this program, It provide the function of trend statistics analysis which can statically analyzed the evaluation accreditation trends of most countries and automatical statistics by categorization ( by Product, Class and statistics in national) and report creation functions which can easily extraction and use the needed data. It has been updated the related informations until latest accredited product using by CC(Common Criteria) portal home page's data.

• Perspectives in Nursing Science
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• 제16권1호
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• pp.12-24
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• 2019

Purpose: This study examined the suitability of using text network analysis (TNA) methodology for topic analysis of academic papers related to nursing. Methods: TNA background theories, software programs, and research processes have been described in this paper. Additionally, the research methodology that applied TNA to the topic analysis of the academic nursing papers was analyzed. Results: As background theories for the study, we explained information theory, word co-occurrence analysis, graph theory, network theory, and social network analysis. The TNA procedure was described as follows: 1) collection of academic articles, 2) text extraction, 3) preprocessing, 4) generation of word co-occurrence matrices, 5) social network analysis, and 6) interpretation and discussion. Conclusion: TNA using author-keywords has several advantages. It can utilize recognized terms such as MeSH headings or terms chosen by professionals, and it saves time and effort. Additionally, the study emphasizes the necessity of developing a sophisticated research design that explores nursing research trends in a multidimensional method by applying TNA methodology.

• International Journal of Advanced Culture Technology
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• 제5권3호
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• pp.40-45
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• 2017

This data mining technique was used to extract useful information from percutaneous coronary intervention data obtained from the US public data homepage. The experiment was performed by extracting data on the area, frequency of operation, and the number of deaths. It led us to finding of meaningful correlations, patterns, and trends using various algorithms, pattern techniques, and statistical techniques. In this paper, information is obtained through efficient decision tree and cluster analysis in predicting the incidence of percutaneous coronary intervention and mortality. In the cluster analysis, EM algorithm was used to evaluate the suitability of the algorithm for each situation based on performance tests and verification of results. In the cluster analysis, the experimental data were classified using the EM algorithm, and we evaluated which models are more effective in comparing functions. Using data mining technique, it was identified which areas had effective treatment techniques and which areas were vulnerable, and we can predict the frequency and mortality of percutaneous coronary intervention for heart disease.

• 한국정보전자통신기술학회논문지
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• 제15권5호
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• pp.413-422
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• 2022

농업의 고질적인 인력 부족과 고령화 문제를 해결하는 방안 중 스마트 팜은 크게 주목받고 있다. 6차 산업혁명이라고 불리는 스마트 팜 산업은 경쟁력의 강화가 필요하다. 혁신 가능한 IT 기술을 농업에 접목하기 위해 선행적인 연구나 특허에 대한 정보 수집 및 분석은 중요하다. 본 논문은 국내 특허정보검색서비스(KIPRIS)를 이용하여 스마트 팜에 관련된 5,789건의 특허데이터를 통해 스마트 팜 특허 동향을 살펴본다. 키워드 네트워크, 에고 네트워크, 동시 출현 네트워크, 바이그램 네트워크 분석 등을 통해 스마트 팜 정보의 국내 특허 동향을 알아본다. 스마트 팜 특허 관련 네트워크 분석 결과, 스마트 팜 시스템을 이용하거나 시스템 제어 기술과 관련된 특허가 가장 많았다. 본 논문은 향후 스마트 팜 관련 특허 연구 방향 설정에 있어 도움을 제공할 수 있다.

• 패션비즈니스
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• 제4권3호
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• pp.79-90
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• 2000

On the beginning of 21C, in which it is a facing problem that the expansive image of future in fashion should be proposed from the comprehensive analysis for the fashion trend. Therefore, in this study, the trends of capricious fashion are distinctly quantified by investigating the cue of fashion in each styles. Also, the systematic evaluation is carried out of analyzing photographs to which the four important fashion styles. In particular, this study takes the practical and numerical results through quantitative analysis by statistical treatment as well as through qualitative analysis that has been formerly used in the other studies. The purposes of this study are to examine fashion trends expressed in important styles in the 1990s, and to formulate productive fashion of the future. In the qualitative analysis, the four important fashions of neo-mods/jazz, neo-hippie/grunge, sportive-casual and techos/cyber-punk are grouped. In the quantitative analysis, statistical data are sampled from Collection II of the 1990s A/W. It takes frequency, percentage, $x^2$-test and etc, by using the comprehensive tools for statistical treatment. There were significant differences between the A/W fashion. According to the cues, there are also significant differences between the fashion in the 1990s. The results of this study are summarized as follows: (1) In 'Neo-Mos/Jazz' style shows highly androgynous look, deep and strong tone, green/blue colors, natural fabric, stripe pattern, long hair style, and hided make-up. (2) 'Neo-hippie/gnenge' style shows highly folklore look, vivid tone purple colors, seethrough/knit fabric, natural /traditional pattern, decorative hair special make-up. (3) 'Sportive casuals' style shows highly sportive look, greish tone, white/grey colours, natural fabric, solid patten, bobbed hair, and natural make-up. (4) 'Techno/cyber punk style shows highly comocorps look, pale tone black colors avangard fabric, solid patten, punk/dyed hair special make-up.

• 한국수학교육학회지시리즈E:수학교육논문집
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• 제33권3호
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• pp.275-294
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• 2019

본 연구는 최근 수학교육 연구 논문들의 연구 동향을 파악하기 위하여 2016년 이후의 수학교육 학술지 논문들을 대상으로 텍스트마이닝 기법 중 토픽 모델링과 트랜드 분석 기법을 활용하여 분석을 실시하였다. 분석 결과 빈도수가 높은 단어들을 조합하여 5개의 토픽을 추출하였으며 이를 통해 최근 활발히 이루어지고 있는 수학교육 연구 주제들을 파악할 수 있었다. 이는 다시 기 수행된 동향 연구들과 차이점과 유사한 점들을 도출할 수 있었는데, 이와 같은 동향 분석을 통해 최근 연구자들이 수학교육 연구에서 중요시 여기는 관점을 읽어 나감과 동시에 향후 주목하여야할 연구 주제 및 방향에 대한 시사점을 제공한다.

• International Journal of Computer Science & Network Security
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• 제24권3호
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• pp.189-195
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• 2024

Road transport occupies the largest share in domestic and international transport. It is of key importance for the development of the economy, forasmuch as it provides the livelihood of the population, the development of the national economy, the possibility of establishing foreign economic relations. The purpose of the research is as follows: analysis of the current state of functioning of the road transport sector in Eastern Europe and identification of key problems and trends in its development. Research methods: Methods of grouping, comparison and generalization, correlation analisys have been used to identify the dynamics of the main indicators of road transport in Eastern Europe. The method of correlation-regression analysis has been applied to determine the impact of increasing the length of roads on the turnover of the road freight transport and the number of employed population in this area. Results. It has been found that the increase in the employed population by 96% and increase in revenues from transportation and storage of goods, postal and courier services (turnover of the road freight transport - in the original language) in the field of road transport by 82% is explained by the change in transport infrastructure capacity by increasing length of highways. According to the correlation analysis, it has been revealed that there is a high direct dependence between the length of roads and increased revenues from transportation and storage of goods in the field of road transport, as well as between the length of roads and increasing employment in this area.

• 디지털융복합연구
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• 제18권6호
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• pp.53-63
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• 2020

인터넷과 스마트 디바이스, IoT와 같은 정보통신매체의 급격한 보급으로 전자금융거래 또한 활발히 증가하고 있지만 이에 따른 파생적 부산물로써 각종 개인정보 유출, 해킹과 같은 금융보안의 위협 또한 증가하고 있다. 따라서 이에 대비한 금융보안의 중요성은 높아지고 있지만 국내의 경우 아직 Active-X를 사용하고 있는 등 금융보안 분야의 선진국에 비해서는 상대적으로 금융보안 기술력이 미흡한 실정이다. 이에 본 연구에서는 국내·외 금융보안 관련 특허데이터를 토대로 IPC 분류 빈도분석, 키워드 빈도분석, 키워드 네트워크 분석으로 주요기술 동향을 비교하여 국내의 금융보안 분야의 주요 발전 방향성을 제시하고자 한다. 결론적으로는 최근 국내외 동향은 스마트 디바이스 기반 전자금융서비스 개발에 따른 관련 기술 개발에 초점이 맞춰진 것으로 판단된다. 이에 향후 상용화 단계의 기술로 선행적인 측면의 연구를 반영하는 논문 데이터 분석을 통해 금융보안 연구동향과 기술동향 분석 결과를 매핑함으로써 금융보안의 기술개발을 위한 기반데이터로 활용될 수 있고자 한다.