• The Journal of the Korea Contents Association
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• v.22 no.10
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• pp.546-553
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• 2022

This research has focused on identifying a significant cause of the pavement cracks and irregularities of roads in Changwon city which have been constructed using steel slag, an auxiliary-based material. It is important to note that the cracks and irregularities yield logistics inconvenience, the risk of traffic accidents, and increased road maintenance costs. X-ray diffraction analysis tests have been conducted in this study on the sample collected by pavement cutting and excavating the three target roads. It is well known that the primary cause of the expansion of steelmaking slag is the hydration reaction between CaO and MaO. While the reaction of CaO is completed within a few months, that of MgO is pretty slow depending on the firing temperature. The test results reveal that the MgO content of the testing samples is approximately 47% of the total average, and that of CaO is around 14% of the total average. Hence, these results make it possible to be understood that the expansion induced by the slow hydration reaction of MgO results in road uplift in the long term, resulting in the cracks and irregularities of roads.

• The Journal of the Korea Contents Association
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• v.22 no.2
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• pp.514-528
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• 2022

This study attempted to understand the characteristics of foreign direct investment by Chinese companies from the perspective of Dunning's OLI paradigm. This development of OFDI by Chinese companies was influenced by the Chinese government's policy, internal factors of the Chinese economy, and the economic and institutional environment of the investment target country. The characteristic of Chinese companies' OFDI is that investment in developed countries is gradually increasing amid regional concentration in Asia. And the proportion of tertiary industries is high, In the meantime, the structure of the secondary industry is changing. In addition, Chinese companies are gradually expanding and showing characteristics by considering the economic and political factors of the investment target country in the selection of overseas investment areas, and then selecting areas with little cultural difference from China's system. This characteristic of OFDI by Chinese companies is basically evaluated to be in line with the OLI paradigm of Dunning. However, the difference is that Chinese companies' OFDI not only advances in overseas investment using the strengths of companies, but also advances in investment to compensate for their shortcomings.

• Broadcasting and Media Magazine
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• v.25 no.1
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• pp.83-99
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• 2020

본 연구는 '인공지능이 그린 그림은 예술적 가치가 있는가?' '인공지능을 활용한 21세기의 현시대 예술은 무엇인가?' '어떻게 실현되는가?'라는 실천적 질문에서 출발하였다. 4차 산업혁명은 초실감(Hyper-Reality), 초지능(Hyper-Intellect), 초연결(Hyper-connect)로 '초(Hyper)의 시대'를 예고하고 있다. 이 혁명은 현시대 예술가에게 현실과 가상을 분간할 수 없는 혼합현실환경, 예술의 창작활동에 훌륭한 조수로서 역할을 할 수 있는 인공지능, 예술적 경험을 가상과 현실을 넘나들며, 언제 어디서나 즉각적으로 체험할 수 있는 기술을 제공한다. 실천적 질문에 대한 해답을 찾기 위하여 주관기관 홍익대학교, 참여기관 서울미디어대학원대학교, (주)브이알애드가 2018년 5월부터 2019년 12월까지 2년간 진행한 한국콘텐츠진흥원 문화기술 연구개발 지원사업 '인공지능 기반 창작 아틀리에 발굴 및 구축 기술 개발 프로젝트'를 통하여 인공지능 엔진(stNET, vidNET, hdtNET, omniNET)을 개발하였고 예술가와 4번의 전시를 통하여 성능 및 가치를 실증하였다. 인공지능은 그동안의 예술적 장르와는 차별화된 특이점을 가지고 있으며 응용 범위 또한 다양하다. 현시대 예술가에게 새로운 장르 개척의 훌륭한 조수로서 역할이 가능하다는 것이다. 그동안 현대 예술의 조형과 개념 미술에 한정적 메시지를 넘어, 인공지능기반 초 실감, 실 시간, 직관적 인터랙션을 통하여 직접적 예술 경험을 체험할 수 있다는 점에서, 현시대의 예술가에게 초 경험 예술(Hyper-Experience Art)의 시작인 동시에 새로운 장르 개척의 단초가 제공된다.

• Proceedings of the Korea Information Processing Society Conference
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• 2010.11a
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• pp.818-819
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• 2010

고층빌딩, 지하역사와 같은 대형 복합건물은 건물 자체의 복합도 증가와 더불어 이에 따른 위험요소(hazard)의 증가를 가져오고 위험상황에 대처해야 할 소방관들의 대응기술 및 훈련도 고도화되어야 한다. 실제 화재현장, 특히 대형 복합건물에 대한 훈련은 비용, 시간뿐만 아니라 소방관 안전 확보라는 차원에서 불가능하며 반복적인 훈련이나 그 평가가 어렵다는 점에서 가상환경을 이용한 훈련 시스템이 필요하다. 본 논문에서는 복합건물에 대한 소방관 팀 훈련 시스템 구현을 위한 가상환경의 설계 및 구현을 소개하고자 한다. 가상환경은 소방관의 훈련 및 평가, 팀 단위훈련을 제공하고 현실감 있는 훈련을 위하여 가상현실, 증강현실, 물리체험 모듈을 이용한 사용자 인터페이스를 제공한다. 가상환경 구축을 위하여 대상 건축물에 대한 3 차원 모델을 구축하고 도출된 발생 가능한 화재 시나리오에 대한 수치적 모델링을 수행하고 그 결과를 가상환경 및 훈련 시나리오에 반영하였다.

• The Journal of the Korea Contents Association
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• v.8 no.8
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• pp.285-292
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• 2008

This study was initiated to evaluate the Phosphorus(P) leaching potential in the putting green soils and P uptake by the turfgrass in the golf course using the P fertilizers. The turfgrass, Floradwarf bermudagrass(Cynodon dactylon L. PERS,) was planted and grown in the mixture of sand and peat moss in this lysimeter study. Five representative P fertilizers, such as, ammonium polyphosphate (APP), monopotassium phosphate (MKP), MAP(monoammonium phosphate), 0-20-20(liquid), and concentrated superphosphate(CSP, solid) were used in this study. Based on the total P quantity of leachate collected during the whole 12 weeks, MKP and APP are the first group of P fertilizers contributing to the leaching of P, then MAP and 0-20-20 are the second group of P fertilizers causing the P leaching. Finally, CSP is the third group of P fertilizer resulting in the P leaching. However, most of P applied and collected in the lysimeter were leached during the first period of two and four weeks, compared to that of P leached during the second period of six, eight, ten, and twelve weeks. Applications of MAP, APP and CSP, MKP and 0-20-20 in order produced the largest amount of total dry matter. However, APP, MKP and MAP, CSP and 0-20-20 in order showed the largest amount of P uptake. Therefore, based on the data of P leaching, dry matter production, and plant P uptake, it appears that CSP, 0-20-20, and MAP are the environmentally sound fertilizers recommended in the turfgrass putting green soil of golf course.

• Journal of Digital Contents Society
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• v.12 no.4
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• pp.601-609
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• 2011

In developing countries, economically under-privileged are mostly consisted of women, therefore supporting those women signify supporting the local society and the family. Advancement of women's economic status not only contributes to her family but also to the local society, nation, and to the global world as a whole. This paper is a research on local informatization and successful model in e-business for Indonesia, which established interactive research model networking with Korea-Indonesia Research Institution and policy-makers for two years and susggested practical research model through visiting Pekalongan. Through activated interaction between women enterprises and policy makers from Korea and Indonesia, the research paper seeks to create research based network and provide opportunities of information access and business matching to local informatized and e-business enterprises. In research adopted regions, city development project has been accomplished in human, business and environmental field since 2005, and have selected Pekalongan region where infra is settled to certain extent. With the information about Indonesia's city development project, investigation on Pekalongan's current geographical, humanistic status quo, the paper aims to and create Indonesian female e-business professionals, e-business user, e-business producers and provide successful model on Pekalongan's local informatization and e-business.

• Science of Emotion and Sensibility
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• v.24 no.4
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• pp.107-116
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• 2021

This study aims to investigate the effect of multisensory stimulation on relieving the stress experienced by drivers. The photoplethysmograms (PPGs) of 30 healthy subjects were measured, and their subjective response to stressful situations and normal driving were evaluated. The subjects underwent nonstimulation and multisensory stimulation in stressful driving situations. Heart rate estimation from the PPG was collected via an ear-type sensor to reduce movement noise. The signals acquired were sampled at 200 Hz using BIOPAC PPG100C. Heart rate variability (HRV) was analyzed to compare the effect of multisensory stimulation on stress situations. In the multisensory stimulation, blue, green, and yellow were used for the visual sensory system; white, pink, and brown noises were used for the auditory sensory system; and lavender, lemon, and rosemary were used for the olfactory sensory system. No difference was observed in the subjective evaluation; however, the HRV results showed an increased HF (%) and decreased LF (%) and LF/HF (%) in the multisensory stimulation (e.g., green, pink noise, and rosemary) when compared to the nonstimulation.

• Economic and Environmental Geology
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• v.53 no.5
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• pp.609-617
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• 2020

After introducing the industry 4.0 policy, Korean government announced 'Digital New Deal' and 'Green New Deal' as 'Korean New Deal' in 2020. We analyzed Korea Institute of Geoscience and Mineral Resources (KIGAM)'s research projects related to that policy and conducted markets analysis focused on Digital Twin and environmental monitoring technologies. Regarding 'Data Dam' policy, we suggested the digital geo-contents with Augmented Reality (AR) & Virtual Reality (VR) and the public geo-data collection & sharing system. It is necessary to expand and support the smart mining and digital oil fields research for '5th generation mobile communication (5G) and artificial intelligence (AI) convergence into all industries' policy. Korean government is suggesting downtown 3D maps for 'Digital Twin' policy. KIGAM can provide 3D geological maps and Internet of Things (IoT) systems for social overhead capital (SOC) management. 'Green New Deal' proposed developing technologies for green industries including resource circulation, Carbon Capture Utilization and Storage (CCUS), and electric & hydrogen vehicles. KIGAM has carried out related research projects and currently conducts research on domestic energy storage minerals. Oil and gas industries are presented as representative applications of digital twin. Many progress is made in mining automation and digital mapping and Digital Twin Earth (DTE) is a emerging research subject. The emerging research subjects are deeply related to data analysis, simulation, AI, and the IoT, therefore KIGAM should collaborate with sensors and computing software & system companies.

• Journal of the Korea Convergence Society
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• v.9 no.8
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• pp.355-363
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• 2018

This study is to provide insights for developing strategies and policy of MICE industry in Korea. Identifying current global statuses, trends, characteristics and analysing the strategic opinions of MICE experts', some strategies and policies were driven, which to activate MICE industry. Compared to Korea, America has comparative advantages in the size and configurations of MICE infrastructure. In order to get competitive edge, Korea needs to utilize various fused contents and stories of K-Series in MICE industry. Unique Venue and MICE destination development, which provide special experiences during the MICE participation, family friendly and children education oriented MICE environment policies are needed. Also, providing fun and Entertainment for MICE participants, demand for 'Green MICE' and medical tourism for the participants should be counted in developing strategic MICE policies.

• Journal of Information Management
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• v.43 no.1
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• pp.135-158
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• 2012

Since the 1990s, discussions regarding green libraries started in the U.S.A, in the name of 'library and the environment', 'Green librarians', 'constructing of environmental sources', 'noise and library', 'building libraries as an environmental alternative' and etc. Currently, green libraries certified by an evaluation system are more than 50. This study proposes a direction to build a green library. The study analyzes national and international green libraries certified by the evaluation system. The cases are analyzed based on the six evaluation factors in the LEED certification system; Sustainable Site, Water Efficiency, Energy and Atmosphere, Material and Resources, Indoor Environmental Quality, Innovation and Design Process. Since the evaluation system focuses mainly on the architectural aspects, there was a need of expanding the concept of eco-friendly in this research. The newly expanded eco-friendly concept includes services, content, and supplies of libraries.