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텍스트 마이닝을 통한 건설기계분야 국내 정부 R&D 연구동향 분석 (Text-Mining Analysis of Korea Government R&D Trends in Construction Machinery Domains)

  • 윤봄;배준수
    • 산업경영시스템학회지
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    • 제46권spc호
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    • pp.1-8
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    • 2023
  • To investigate the national science and technology policy direction in the field of construction machinery, an analysis was conducted on projects selected as national research and development (R&D) initiatives by the government. Assuming that the project titles contain key keywords, text mining was employed to substantiate this assumption. Project information data spanning nine years from 2014 to 2022 was collected through the National Science & Technology Information Service (NTIS). To observe changes over time, the years were divided into three-year sections. To analyze research trends efficiently, keywords were categorized into groups: 'equipment,' 'smart,' and 'eco-friendly.' Based on the collected data, keyword frequency analysis, N-gram analysis, and topic modeling were performed. The research findings indicate that domestic government R&D in the construction machinery field primarily focuses on smart-related research and development. Specifically, investments in monitoring systems and autonomous operation technologies are increasing. This study holds significance in analyzing objective research trends through the utilization of big data analysis techniques and is expected to contribute to future research and development planning, strategic formulation, and project management.

Comparative evaluation of nasal and alveolar changes in complete unilateral cleft lip and palate patients using intraoral and extraoral nasoalveolar molding techniques: randomized controlled trial

  • Kalaskar, Ritesh;Bhaje, Priyanka;Sharma, Priyanka;Balasubramanian, Shruti;Ninawe, Nupur;Ijalkar, Rajesh
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • 제47권4호
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    • pp.257-268
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    • 2021
  • Objectives: Cleft lip and palate is a common congenital anomaly that impairs the aesthetics, speech, hearing, and psychological and social life of an individual. To achieve good aesthetic outcomes, presurgical nasoalveolar molding (NAM) has become important. Currently, the intraoral NAM technique is widely practiced. Numerous modifications have been made to intraoral NAM techniques, but the original problem of compliance leading to discontinuation of treatment remains unsolved. Therefore, the present study compared an extraoral NAM technique with the intraoral NAM technique. Materials and Methods: Twenty infants with complete unilateral cleft lip and palate were included and divided into two equal groups. Group A received the intraoral NAM technique, and Group B received the extraoral NAM technique. Pre- and postoperative extraoral and intraoral measurements were recorded. Results: Groups A and B did not differ significantly in any extraoral or intraoral parameter. Conclusion: The extraoral NAM technique is as effective as the intraoral NAM technique in achieving significant nasal and alveolar changes in complete unilateral cleft lip and palate patients. Additionally, it reduces the need for frequent hospital visits for activation and the stress associated with the insertion and removal of the intraoral NAM plate, thereby improving compliance.

Study on the Analysis of Domestic Construction Management Orders

  • Park, Jongsoon;Lee, Keunwon;Ann, Kyunghwan;Shin, Changhyun;Cho, Jaeho;Chun, Jaeyoul
    • 국제학술발표논문집
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    • The 6th International Conference on Construction Engineering and Project Management
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    • pp.387-391
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    • 2015
  • Currently, there is insufficient research on the construction management performance since the CM system was introduced in Korea. For successful completion of construction projects, active use of construction mangers on projects is necessary by introducing construction management to the projects. In view of this, this study analyzed the annual CM performance from 1996 to 2013 but for the past 5 years from 2009 to 2013, a detailed analysis was carried out. For different sectors, CM performances were divided into public and private sectors, for project types, construction, civil and others, for project phases, pre-design, design, construction and post-construction phases, for contract types, sole and joint contract types, for project scale, the amount of the projects was taken into consideration and they were divided into large, medium and small scales and for the types of projects, they were divided into, shops, department stores, shopping centers, hospitals, government buildings, hotels, accommodation facilities, factories, buildings for workshops, office buildings, stadiums, playgrounds, schools and other construction types and all the data divided into such categories was analyzed. The results in this study can be used as a basic reference for studies in analysing construction management performances.

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조선시대 관영수공업에서 입사장(入絲匠)의 직무 유형과 역할 (Joined in the government-owned handicraft industry during the Joseon Dynasty Job type and role)

  • 김세린
    • 헤리티지:역사와 과학
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    • 제54권2호
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    • pp.216-239
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    • 2021
  • 공예품의 표면에 홈을 파고 금속 재료를 감입하는 시문 기법인 입사(入絲)는 조선시대 왕실의 일상 생활용품, 의례품, 관청의 공적 기물에 두루 사용되었다. 조선시대 관영수공업은 중앙관청에 소속된 경공장(京工匠), 지방의 외공장(外工匠)으로 구성된 관장(官匠)을 중심으로 운영되었다. 입사장은 경공장에 편입되어 왕실과 중앙관청의 공예품 입사시문을 담당했다. 현재 전해지는 조선시대 입사장에 대한 기록은 관영수공업에 집중되어 있다. 관영수공업에서의 입사장의 배속 관청은 공조와 상의원, 군영으로 나눌 수 있으며, 여기에 앞의 두 소속 장인의 도감 차출이 있다. 입사공예품을 사용하는 관청과 군영에 입사장을 배치하고, 제작 마감 기한이 촉박해 평소보다 세밀한 분업과 협업이 전개되었던 도감에서는 입사장을 입사장, 은입사장으로 나누어 공역에 투입했다. 이를 통해 제작 상황과 보유 기술을 고려해 유동적으로 장인을 배치해 공예품 제작이 이루어졌음을 알 수 있었다. 이러한 제작 체제의 운영은 장인의 손기술로 모든 공예품을 제작해야 했던 근대 이전 조선 사회에서는 필수적인 것이었다. 본 논문은 입사장을 중심으로 조선시대 관영수공업에서 장인의 역할과 직무 형태를 유형을 나누어 살펴보았다. 직능의 특성과 재료, 인력 수급 등 세부적으로 적용되는 내용은 다르지만, 조선이 추구했던 기본적인 관영수공업 정책의 틀 안에서 장인의 기술을 통한 다양한 목적의 공예품 구현을 위한 여러 제도적 장치는 거의 공통적이었다. 앞으로 의궤에 기록된 재료와 도구, 소수이지만 문헌에 기록된 관장과 사장의 기록을 더해 기술 문화를 분석한다면 조선시대 공예를 보다 입체적으로 접근하는 데 도움이 될 것이라 생각한다.

재하시험을 활용한 인천대교 국고구간 현장타설말뚝의 설계와 시공 (Drilled Shaft Designs and Constructions using Pile Load Tests at the Government-Financed Section of Incheon Bridge)

  • 조성민;전병섭;정일환;최고일
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2006년도 추계 학술발표회
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    • pp.562-573
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    • 2006
  • Incheon Bridge which will be the world's 5th long cable-stayed bridge in 2009 has been built under the management by Korea Highway Corporation. Incheon Bridge consists of several special-featured bridges and construction sections are divided into two groups, the private investment section with the foreign concessionaire and the government-financed section. 8 pile load tests were performed to investigate the behavior of rock-embedded large-diameter drilled shafts at both sections. Among these, 4 tests at the government-financed section have been utilized to adjust the detailed designs that were carried out individually as well as to find the actual bearing capacity of the ground prior to the commencement of constructions under the joint control of all contractors. Comprehensive procedures of the design and the construction of foundations using pile load tests were introduced.

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조선시대(朝鮮時代) 교통건축(交通建築)으로서의 원우(院宇)에 관한 연구(硏究) (A Study on the WonWoo as the Transportation Architecture in the Chosun Dynasty)

  • 김종헌
    • 건축역사연구
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    • 제7권4호
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    • pp.103-112
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    • 1998
  • After the period of the Three Kingdoms Korean transportation architecture had been changed from the characteristics of the administration organization supporting the kings ruling system and gradually the characteristics as transportation architecture had cleared and diversified in accordance with the functions and characteristics of it. With this it was found that Korean transportation architecture like YukSa(驛舍), ChamYuk(站驛), GaekSa(客舍), JinSa(津舍), DoSa(渡舍), WonWoo(院字), JuMak(酒幕) and etc. had been developed variously and the architectural characteristics had developed with the functions and characteristics of transportation architecture. Some of them ,for example YukSa, ChamYuk, GaekSa, JinSa, DoSa, had the characteristics of the government office, so they had fundamental dignity of Korean wooden architecture on tile roof. But the WonWoo which was used by all of the people from the king to the people, had the characteristics of half-government and half-private. And the space of WonWoo was divided by the social position, the sex and the difference of temperature between summer and winter. And it was mostly located at the place away from the haunts of men, the form of it was the mud wall hut of the straw-thatched cottage like Sinhyewon of Mungyungsaejae and it was different from the station building of the characteristics of government office.

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조선전기 경복궁 궐내각사의 건축공간에 관한 연구 (A Study on the Architectural Space of Gwolnaegaksa at Gyeongbokgung in the Early Joseon Dynasty)

  • 이정국
    • 건축역사연구
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    • 제20권5호
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    • pp.63-79
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    • 2011
  • The purpose of this study is to understand the architectural space of Gwolnaegaksa (闕內各司), the Government office in the palace, in the early Joseon Dynasty. The Royal palace can be divided into three parts, political space for king, living space for king and his family and government office. So first, we should to understand the characteristics of each space in the Royal Palace. Up to now we have looked at the architectural space of Gwolnaegaksa in Gyeongbokgung (景福宮), one of the Royal Palace, the result of this study is as followings. There were not many Gwolnaegaksas in the early days in Gyeongbokgung. After King Sejong, some office buildings were established in that palace. King's closest guards, like as Seonjeonkwan (宣傳官), Gyumsabok (兼司僕), Naegeumwi (內禁衛) had been on duty in Sajeongjeon Haengrang (思政殿 行廊), a kind of servants' quarters. Bincheong (賓廳), a conference room of high-ranking government officials was situated in Geungjeon Haengrang (勤政殿 行廊). There were also barracks of other palace guards in Geungjeon Haengrang. Gyeongyeoncheong (經筵廳), a place to prepare and wait, was built separately from Geungjeon Haengrang Layout drawings of Gyeongbokgung painted since the 18th century were different from document in some parts. The arrangement of the Gwolnaegaksa was assumed like as the Fig. 9.

여론을 통해 본 농촌지도 체제 개편의 방향 (The Direction for Improvement of Agricultural Extension System Reorganization by Public Opinion)

  • 주대진;오해섭;김성수
    • 농촌지도와개발
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    • 제8권1호
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    • pp.143-153
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    • 2001
  • Agricultural extension has contributed enormously to agriculture and farmers, since Rural Development Administration(RDA) was founded in Korea. However, as the decentralization got started and world environment has changed, agriculture extension shrank by transferring the function of agricultural extension to local government. According to public opinion appeared on the bulletin boards of RDA web site, many people suggest that agricultural extension should be improved from the current system and services. Findings in the transfer of the extension system from national status to local government showed some advantages and disadvantages; 1) Agricultural extension services was decreased sharply by a large dropping in the number of extension educators. 2) The identity of agricultural extension services was disappearing. 3) The extension projects when matched with local features could be better implemented. 4) The lives of extension educators were better stabilized. Rural Development Administration intends to transfer the director of the local Agriculture Technology Center to the national status. This would return all current extension educators step by step to national positions. By doing so, agricultural extension scholars and farmers are welcoming this agenda. On the other hand, the extension educators themselves were divided by contradictory opinions Therefore, government should search for the better alternatives to establish more effective system with considerations of various aspects in activating the agricultural extension services.

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공공기록관리 제도의 형성과 변화에 관한 언론보도 분석 (Analysis of the Press Report on the Formation and Changes of Public Records and Archives Management System)

  • 이주영
    • 한국기록관리학회지
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    • 제13권2호
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    • pp.31-56
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    • 2013
  • 언론은 국민적인 공감대와 여론을 형성하며, 특정 쟁점을 집중적으로 보도하면서 사회적 영향력을 발휘하는데 큰 역할을 하고 있다. 따라서 본 연구에서는 지금까지 기록관리학계에서 시도되지 않고 있는 언론보도 분석을 통해 지난 14년간(1998년-2011년) 공공기록관리 제도의 형성과 변화과정에서 중요하게 다뤄진 쟁점들은 무엇이고, 이들 각 쟁점이 언론에서 어떻게 보도되고, 기사에 등장하는 정보원을 파악하여 누가 해당 쟁점에 대해 적극적으로 대응하고 확산해왔는지 분석하는 것에 목적을 두었다.

항공교통관제사의 문화적 편향(Cultural Bias)에 따른 위기 대응 연구 (A Study on Air Traffic Controllers' Cultural bias and Their Response on Abnormal Situations)

  • 김근수;조성환
    • 한국항공운항학회지
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    • 제26권4호
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    • pp.64-75
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    • 2018
  • A status of air traffic controller is a government officer and air traffic controllers who work at airport are divided by duty rating and work experience. Abiding by law, rules and regulation, air traffic controllers are working together based on mutual trust. This paper's theoretical background is based on cultural bias theory. The theory divide people group into four groups according to cultural bias such as fatalism, hierarchy, individualism and egalitarianism. A research model was designed how such four cultural bias could affect air traffic controller's risk response in case of emergency or abnormal situation during their work. Depend on empirical research, it was found that air traffic controllers perceived they had been more biased to fatalism than hierarchy. The characteristics of fatalism group are as follows: first of all, they follow rigid rules and regulation. However, they have less self-efficacy compared to other government officers. According to structural equation model, air traffic controller's fatalism had a significant negative effect on organizational royalty. Their royalty, however, had a very significant positive effect on planning response and immediate response.