• Proceedings of the Technology Innovation Conference
• /
• 2003.06a
• /
• pp.57-71
• /
• 2003

기술기반사회로의 진화가 빠르게 진행되면서 경제성장에 있어 기술혁신의 중요성이 깊이 인식되어왔다. 그러나 혁신과 관련한 의사결정이 시장에만 맡겨질 경우 종종 시장실패가 일어나기 때문에 다양한 기술 혁신지원정책을 통해 공공이 개입하고 있는 실정이다. 공공의 기술혁신 지원정책이 수립, 시행되는데 있어 가장 중요한 근거는 경제적, 기술적 파급효과이며, 이에 근거할 때 공공차원의 선택과 집중이라는 문제도 합리성을 갖게 된다. 파급효과를 분석하기 위해서는 산업간 기술연관관계분석이 필수적으로 선행되어야 하며, 이와 관련하여 다수의 국내외 연구가 진행되어 왔다. 본 연구에서는 HS코드를 이용하여 산업별로 주 생산물 관련 키워드를 직접 생성하고, 특허 및 실용신안 등 지적재산권에 활용된 키워드 및 분류정보와 일치시킴으로서 지적재산권의 산업간 공유여부를 파악하는 메카니즘을 제안하고자 한다. 제안된 메카니즘을 제조업 세세분류(five-digit level)에 적용함으로서 세세분류산업간 연관관계를 제시하였다. 분석의 결과로서 부품소재산업을 중심으로 살펴볼 때 부품소재산업군과 여타산업군이 기술적으로 분절되어 있음을 확인하였다. 이 결과는 부품소재산업에서의 혁신은 부품소재산업군내에서 (비체화) 기술적 파급효과(disembodied technological spillover)를, 그리고 부품소재산업에서부터 여타 산업으로 (체화) 경제적 파급효과(embodied economic spillover)를 유발한다는 점을 시사하고 있다.

• The Journal of the Korea Contents Association
• /
• v.20 no.3
• /
• pp.223-234
• /
• 2020

This research is the association rule analysis using Apriori algorithm of data mining focusing on 32 predictive key words extracted from Hong (2019) affecting successful aging in Korea. And, to examine rules and patterns of those key words or predictive variables, this research used support, confidence, and lift. The data was analyzed with the R version 3. 5. 1 program, and visualized using arulesViz package and visNetwork. It was found that the variables highly associated with successful aging in Korea were 'hobby', 'volunteer service', 'preparation', and 'exercise'. This research concludes that, the variable which needs to be considered first of all for successful aging in Korea is 'hobby', followed by 'volunteer service', 'preparation', and 'exercise'.

• Journal of Korea Multimedia Society
• /
• v.7 no.7
• /
• pp.985-997
• /
• 2004

In this paper, an automatic programming error-diagnosing system is provided for novice C programmers by plan matching and program execution. Program execution results are used to provide flexibility in describing the relationship between programming plans, to verify the correctness of the plan matching differences, and to detect the influence of a plan's error to the related plan. We can give easy and informative explanations to the students according to a plan's error and the resulting effects to related plans. The students are consulted to check their program's correctness with the given test data. Our error-diagnosing system is tested with student's programs for the 14 various and difficult problems and gives acceptable recognition results.

• Journal of Korea Port Economic Association
• /
• v.24 no.4
• /
• pp.173-197
• /
• 2008

The purpose of this study is to analyse the spill-out effects of logistics industries among Korea, Japan and China. For this purpose, we used an International I/O table made by Asian Economic Institute of Japan, which is made up for 11 countries. At first, we transformed the I/O table for 11 countries into that for 3 countries, and then we applied the Inter-Regional Input Ouput model to find out the spill-out effects of one country's logistics investment to another country's logistics or other industries. The contribution of this study is that this paper has suggested a method how to evaluate a logistics interrelation among 3 countries by way of I/O analysis for the first time.

• Journal of Korean Society of Transportation
• /
• v.30 no.4
• /
• pp.33-42
• /
• 2012

Recent development and penetrating expansion in ICT(Information and Communication Technology) has brought considerable improvements in transportation services. However, there is a controversial debate whether transportation and communications behave as substitutes or as complements to one another. On this subject, recent studies considered those two industries as services, but transportation and communications are broadly put for intermediary goods into other industries. Hence, it is essential to examine this issue from understanding their relationships to each other with respect to manufacturing and services. In this study, input-output tables of benchmark years from 1980 to 2005 have been analysed to explore the relationships between transportation and communications using Spearman's correlation analysis. The results show that both industries had complementary roles over the period, but, to some extent, changed into substitution roles in some categories.

• Proceedings of the Korean Information Science Society Conference
• /
• 2001.10b
• /
• pp.28-30
• /
• 2001

현 인터넷상에서 취향에 맞는 항목(상품) 정보를 사용자에게 추천해 주는 개인화 기술은 대부분 특정 사용자와 유사한 선호도를 갖는 다른 사용자들의 특정 항목에 대한 선호도를 바탕으로 항목의 선호도를 추정하는 협력적 추천 기술을 적용하고 있다. 이중 최근접 이웃 방법은 적용하기가 용이한 반면 항목간의 가중치를 고려하지 못함으로써 추천의 정확도가 크게 떨어지는 문제점이 있다. 연관규칙 방법은 다른 항목에 대한 선호도 자료로부터 데이터 마이닝 기법을 적용하여 항목 선호에 대한 연관규칙을 추출하고 그 규칙을 사용하여 어떤 항목의 선호도를 추정한다. 따라서 항목들 간의 중요도가 연관규칙의 지지도나 신뢰도 등으로 나타난다고 할 수 있으나, 단순히 항목들간의 연관관계 즉 표면적인 연관관계에 의하여 선호도를 결정함으로써 항목들간의 어떤 내용적인 공통성 또는 어떤 상위개념에 의한 선호도가 고려되지 않음으로써 역시 정확도가 떨어지는 문제점이 있다. 본 논문에서는 추천의 정확도를 향상시키기 위한 신경망 추천 방법에 대해 분석하고, 내용기반 추천과 협력적 추천을 병합한 신경망 추천 방법을 제안한다. 또한, 다른 협력적 추천 방법과의 비교를 통하여 본 추천 방법의 장점과 성능의 우수함을 보인다.

• Journal of the Korea Institute of Information and Communication Engineering
• /
• v.16 no.1
• /
• pp.183-190
• /
• 2012

This study constructs an expert search system which has a mutual cooperation function based on thesis and author profile. The proposed methodology is as follows. First, we propose weighting method which can search a keyword and the most relevant keyword. Second, we propose a method which can search the experts efficiently with this weighting method. On the preferential basis, keywords and author profiles are extracted from the papers, and experts can be searched through this method. This system will be available to many fields of social network. However, this information is distributed to many systems. We propose a method using multi-ontology to integrate distributed data. The multi-ontology is composed of meta ontology, instance ontology, location ontology and association ontology. The association ontology is constructed through analysis of keyword association dynamically. An expert network is constructed using this multi-ontology, and this expert network can search expert through association trace of keyword. The expert network can check the detail area of expertise through the research list which is provided by the system.

• Journal of the Korean Society for Aeronautical & Space Sciences
• /
• v.43 no.4
• /
• pp.368-376
• /
• 2015

This paper is the study on the establishment of design model to improve design efficiency using modified weight estimation equation on the initial design stage for development of a helicopter. The methodology to extract coefficients of the weight estimation equation was proposed through the influence investigation for the weight of components and the parameter study and sensitivity analysis for design variables such as the rotor disk loading, the number of blade and the aspect ratio of blade were also performed. As a result of study, the relation of parameters and degree of sensitivity of parameters on helicopter design are considerable points for optimization of helicopter characteristics, and it is necessary for designer to consider the complex relation of main parameters.

• KOREAN JOURNAL OF CROP SCIENCE
• /
• v.55 no.2
• /
• pp.105-110
• /
• 2010

This study was conducted to analyze the relationships between resistance of brown planthopper and traits related to the lodging in rice. For the linkage analysis of traits tested in this study, a genetic linkage map was created with 162 DNA markers spanning 12 rice chromosomes based on 120 doubled haploid (DH) lines, which were derived from a cross between Samgang', a Tongil type cultivar with BPH resistance, and ‘Nagdong’, a japonica cultivar. QTLs were identified to analyze the agronomic traits including lodging by composite interval mapping. Thirteen QTLs were detected for five traits comprised of plant length (PL), 3rd internode length (3rdIL), moments (Mo), lodging index (LI), and breaking weight (BW). The relationships between the BPH resistance and agronomic traits including lodging revealed that two QTLs (qBPR7, qBPR8) were linked to traits related to lodging. Two QTLs, qBPR7 and qBPR8 on chromosome 7 (RM531-7042) and 8 (RM1148- RM544) showed associations with moments and 3rd internode length, respectively.

• 한국경영정보학회:학술대회논문집
• /
• 2007.06a
• /
• pp.614-618
• /
• 2007

데이터 마이닝 기법 중 순차 패턴 마이닝(Sequential Pattern Mining)은 연관 규칙에 시간의 개념을 추가하여 시간의 흐름에 따른 항목(item)들의 상호 연관성을 찾아내는 것이다. 본 연구의 목적은 순차적인 상병의 발생 가능성이 높은 상병 군의 패턴을 찾아내어 이를 모형화함으로써 차후에 발생된 상병을 예방하고 이를 통하여 환자와의 관계를 관리하여 보다 나은 의료서비스를 제공하는데 있다.