• The Journal of Korean Institute of Communications and Information Sciences
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• v.40 no.6
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• pp.1166-1174
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• 2015

There were the attempts to prevent the spread of harmful materials of the agri-food through the record tracking of the products with the bar code, the partial information tracking of the agri-food storage and the delivery vehicle, or the control of the temperature by intuition. However, there were many problems in the attempts because of the insufficient information, the information distortion and the independent information network of each distribution company. As a result, it is difficult to prevent the spread over the life-cycle of the agri-food using the attempts. To solve the problems, we propose the mechanism mainly to do context awareness, predict, and track the harmful materials of agri-food using big data processing.

• Journal of the Korean BIBLIA Society for library and Information Science
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• v.9 no.1
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• pp.207-220
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• 1998

The international community reached an implicit consensus that knowledge management will be the core of our civilization in the next millenium. This dissertation is to view the knowledge management from the point of information science rather than from the standpoint of the business management, which has been the trends of our academic circle so far. The underlying reason is simple, knowledge is the center of the knowledge management and other factors like humans, organization and culture are merely peripheral elements required to apply knowledge in a more appropriate and efficient manner. This paper looks at knowledge-sharing system as the heart of knowledge management emphasizing significance of the procedures such as validation and valuation and knowledge management processes. Adding to this, I dare to say the term 'Information technology Infrastructure' should be changed into'Information Infrastructure' since knowledge itself and how to express them play a more important role in knowledge management than the information technology does.

• Korean Journal of Construction Engineering and Management
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• v.15 no.4
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• pp.77-85
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• 2014

A construction temporary work is main process and importance trade section. It has many works and facilities such as temporary transfer equipments which tower crane, and lift, and architectural temporary facilities which temporary office, temporary warehouse, and site test laboratory, and construction temporary equipments which scaffoldings, work plates, construction supports, and forms to set and to use in under construction and to remove in the end. A technology system of construction temporary has very low availability of field works and needs improvements in Korea as construction site has a quick response about new requirements. This study is organized existing technology systems and new technologies for field works, and developed breakdown structure of construction temporary technologies to be a basic of temporary technologies as review with site managers. For this, it will improve to be a knowledge and information system as a research of a performance and an availability about a construction temporary technology index.

• Proceedings of the Safety Management and Science Conference
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• 2013.11a
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• pp.483-497
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• 2013

현대사회가 발전 할수록 대량산업화와 도시화가 심화되어 건축물의 초고층화 및 대형화가 증가하고 있으며, 안전적인 건축물 보다는 건물 및 제조사업장의 시각적인 디자인에 치우쳐 화재하중이 높은 건축자재의 내 외장재 및 고급스러운 장식물을 사용함으로써 그 위험뿐 만 아니라 화재발생시 대규모 인명 및 재산상의 피해를 가져오게 된다. 그리고 제조사업장화재는 화재로 인한 직접적인 손실 즉 물적 손실은 물론 생산중단으로 인한 간접적인 손실은 실로 측정하기가 어렵다. 지금까지 발생한 제조사업장화재의 발화요인별 분석은 부주의, 전기적, 미상 순으로 인한 화재가 가장 많고 발화열원은 작동기기, 담뱃불(라이터), 마찰 전도 복사등이 주요 원인이 되고 있고 대형화제 취약시설로는 공장 및 창고로 나타나고 있다. 소방방재청의 통계자료를 살펴보면 2012년 화재 발생현황 중 발화요인에 대한 화재별 장소 건수를 검토 한 결과 비주거의 화재발생 16,009건 중 5,758건으로 (36%)부주의이고, 주거에도 화재발생 10,715건 중 5,560건으로 51.9%의 부주의로 가장 높은 것으로 나타났다. 그러므로 제조사업장의 사소한 부주의로 발생하는 화재를 예방하기 위해서는 소방안전관리자의 처우개선과 기업활동규제완화의 겸직 허용을 재검토 하여야 하며, 소방안전관라자의 실무능력 강화를 위한 소방안전관리 실무교육과정을 이론적 교육 보다는 현장 실습위주로 할 필요가 있다. 이를 위해서는 소방안전관리자에 대한 법정 실무교육 횟수를 확대하여 현행 2년에 1회 에서 1년에 1회로 하고, 실무교육에 있어서도 우수송방안전관리 업체를 선정하여 화재예방에 대한 구체적인 업무를 활성화 하고, 문제 발생요소들을 분석하여 실습을 통한 소방안전관리자의 실무교육을 실시해야 할 것이다. 이러한 전문 소방안전관리자로 소방대상물의 소방교육 및 훈련을 성실히 수행 해야 할 것 이다. 한순간의 부주의로 인하여 화재가 발생하면 돌이킬 수 없는 수백명의 생명을 앗아가고, 수백억원대의 재산피해를 줄이기 위해서는 소방안전관리자의 역량을 넓히고 화재예방 업무를 최우선적으로 수행해야 할 것이다. 화재예방을 위해 소방안전관리자의 업무개선 및 전문교육을 활성화 하여 업무능력을 향상 시켜 화재발생시 초기진압에 신속하고 정확하게 대처해야 한다는 것이 전문적인 화재예방 대책 일 것이다.

• Industry Promotion Research
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• v.8 no.4
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• pp.61-67
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• 2023

This study compared, analyzed, and verified the accident rate and accident fatality rate (per 10,000 workers) of workplaces that perform safety management on behalf of a safety management institutions designated and registered in accordance with the OSHAct and workplaces that perform safety management. According to the research results, the significance was confirmed that the group with a low accident rate was the workplaces that self-appointed safety managers, workplaces with self-appointed safety managers in size with less than 300 employees, and workplaces in the industrial accident insurance industry in the manufacturing and transportation, warehouse, and telecommunications industries. The groups with a low accidental death rate were workplaces with less than 300 employees, workplaces where safety management was performed on behalf of safety management institutions, and workplaces with selfappointment for other medical businesses. In this study, it was confirmed that the accident rate in the safety management agency's workplaces was higher than that of its own appointed workplaces, and that there were some differences in the accident fatality rate depending on the size and industry. Therefore, since the current safety management agency system cannot ensure the effect of preventing accidental deaths, there is a need for comprehensive improvement of the agency system and improvement of the system to strengthen expertise in preventing industrial accidents.

• Journal of Food Hygiene and Safety
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• v.22 no.1
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• pp.63-75
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• 2007

A survey on sanitary management at 98 food service institutions located in Jeollabuk-Do were conducted. Food service institutions included 13 hospitals, 38 schools, 40 enterprises, and 7 others. The sterilization in boiling water was used for disinfection of tableware, spoon and chopsticks, and dish towel. Cooking kit, refrigerator, chopping board, and knife were sterilized with disinfectant. Frequency of sanitary training program on employees was 56.1% for 1 time/month, 12.2% for 2-3 times/month, and 11.3% for 1 time/week. Preparing ratio of defrosting, warehouse and rest room, and washing and sterilization diary were 73.8, 60.5, and 54.5%, respectively. However, checking ratio of environments (9.5%), personal sanitation (10.8%), and sanitary training program diary(8.4%) were low. Major obstacle factors on the introduction of Hazard analysis critical control point (HACCP) system into food service institutions were lack of equipment and facilities (54.1%) and lack of understanding and data on HACCP system (17.3%). Therefore, in order to reduce the outbreak of food-borne diseases increasing frequency, we estimated that the introduction of sanitary management system and the conversion of dietician' perception on sanitary managements in food service institutions were needed.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.11 no.3
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• pp.99-105
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• 2011

Typically, quick and easily deployed communication for a clear disaster management is required in a disaster situation. But it is not easy because lack of backbone network and poor conditions of disaster site. it is possible to obtain a wide service coverage and low power with portable wireless mesh network technology. In this paper, we developed portable wireless mesh network gateway with a network processor and evaluate it's performance including throughput, latency delay, packet loss, etc. The experiments show our wireless mesh network gateway has basic performance and can be used in various environments like disaster site.

• Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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• v.16 no.5
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• pp.1-6
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• 2002

Museum storage area is one of the most important places because collections are central to museums. However it is often misunderstood and treated as the storage areas of general office buildings md factories. In this paper, lighting design factors for museum storage areas are reviewed, and illuminance values for the various storage areas of the KS and the other countries＇are compared and discussed in consideration of collections＇ management and conservation. And paying our due regard to collections management it is found that the standard illuminance value for museum storage area of the KS is lower than those of the other storage places. Therefore it is raised to 200［㏓］and supplementary lighting which can be controlled separatedly should be provided to increase the illuminance of task lighting.

• Journal of the Korea Safety Management & Science
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• v.8 no.6
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• pp.91-108
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• 2006

RFID/USN is important infrastructure of the ubiquitous society. And so, It is various and practical research is attempted. These two base technology have physical characteristic and complement relationship. Like this relationship is applied Following example that is system research which manages warehouse stocks and conditions. First, We adhere RFID Tag at the Pallet of the warehouse and do identification goods. And then, It grasps the environment state information of stocks with sensor module which has Zigbee wireless communication function. From like this process RFID Tag information and jop-control command of sensor node also it is exposed to air. Therefore, We control sensor node in USN/RFID environment through the mobile device. And system design for the security Apply of the process is main purpose of this paper's. We propose the condition and function of the mobile device to the secondary. And We define the relation of the sensor node with RFID to be arranged to a warehouse. Finally, This paper is designed to find a trade-off of the following viewpoints. First, We offer suitable sensor-control information to a actual manager. Second, We offer RFID tag security approach to control the action of the sensor. Third, It increases the survivability of sensor node form.

• Proceedings of the KIPE Conference
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• 2011.07a
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• pp.138-139
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• 2011

무인 운반차(AGV, Automated Guided Vehicle)은 1955년에 개발된 자재 운반용 무인운송 시스템으로 초기에는 제조 현장에서 자재의 운송에 국한되어 사용되었다. 최근에는 창고, 컨테이너 터미널 그리고 지하공간에서의 반복되는 실내/외 운송으로까지 그 사용이 확산되고 있다. AGV는 제조현장에서 제조 공정과 관련된 모든 자재의 이송에 적용되고 반복되는 운송의 형태에 사용되며, 실내 용도로는 수입, 저장, 분류, 반출, 이송과 공정 간의 파레트(Pallet) 이송에 사용되며, 비교적 작은 용량의 AGV가 이러한 제조현장에서 산업용도에 쓰이고 있다. AGV는 실내에서 주로 사용되는 환경적 특성상 배터리를 사용하며, 충전하거나 교환하여야 하며, 이에 소요되는 시간이 시스템의 성능에 큰 영향을 미친다. 대부분의 제조현장이나 배송센터에서 AGV는 비교적 짧은 거리를 운행하므로 대기 시간 중에 배터리를 충전하거나 교환이 가능하다. 하지만 비교적 장거리를 운행하는 시스템에서는 AGV의 가동률을 50% 이하로 유지하거나 온라인 충전 시스템을 구비하여야만 배터리 전압 강하에 의한 시스템의 마비를 예방할 수 있다.