• 대한인간공학회지
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• 제29권4호
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• pp.435-444
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• 2010

To identify and evaluate the risk factors in WMSD work, a number of ergonomic workload evaluation methods have been developed. In the legal examination of WMSD risk factors, simple observational workload evaluation methods are widely used instead of using costly measurement equipments such as EMG and motion analyzer. The simple workload evaluation methods can be categorized into three groups; risk factor checklist methods, posture observation methods, and manual material handling task evaluation methods. In terms of the categories, this survey summarized several representative workload evaluation methods and compared them each other. Then some industrial application cases referring each the workload evaluation methods were surveyed. Due to the characteristics of each method, the selection and application procedure of workload evaluation method should be appropriate for the corresponding work. Therefore, some guidelines for the selection and application procedure of workload evaluation method were suggested.

• 한국측량학회지
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• 제25권1호
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• pp.31-37
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• 2007

국 공유지는 국가나 공공 단체가 소유하고 있는 땅으로써, 국가는 국민 모두의 재산인 국공유지 관리에 책임과 의무를 가지고 있다. 최근 정부에서는 국공유지의 관리를 위하여 노력을 기울이고 있으나, 현행 국공유지 관리방법은 국공유지의 특성을 반영하고 있지 못하고 있다. 본 연구에서는 국 공유지의 효율적이고 정확한 관리를 위해서는 정확한 실태조사가 필요하다 판단하여, 현재의 국공유지 실태조사 방법을 분석하여 문제점을 도출하였다. 실태조사를 정확하게 하지 못하면 측량의 미 실시를 초래할 수 있다는 것이며, 이는 곧 무단점유 사례의 누락이나 미 관리 토지의 발생으로 이어지게 되기 때문이다. 또한 현재의 육안에 의존한 실태조사와 지적측량 결과를 이용한 실태조사 방법을 비교하여 지적측량을 이용한 실태조사의 적합성을 판단하였고, 대상지역을 선정하여 점유현황 사례를 분석하였다. 그 결과 국공유지에 대한 전수 조사측량의 필요성을 확인할 수 있었으며, 지적측량 업무와의 연계를 통한 실시간 조사측량이 수행되어야 한다는 결론을 얻었다. 이는 결과적으로 국공유지의 효율적인 관리방안의 마련에 기여할 것으로 기대된다.

• 환경영향평가
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• 제22권6호
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• pp.725-738
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• 2013

The National Ecosystem Survey in Korea provides information to policy makers for preservation of natural environment and implementation of international agreement. The 1st and 2nd National Ecosystem Survey were carried out between 1986 and 1990, and between 1997 and 2005, respectively. The 3rd National Ecosystem Survey began in 2006 and ended in 2012. In 2013 the pilot survey for the 4th National Ecosystem Survey is ongoing. The 4th National Ecosystem Survey due to the revision of the Natural Environment Conservation Act which has been done every 10 years would change into every five years. It is planned to be conducted from 2014 to 2018. The survey method of the 4th National Ecosystem Survey has been modified to obtain more accurate data for many taxa. The survey for a nocturnal animals will be introduced. In addition, monitoring by setting the grid will get quantitative data seasonally. The vegetation survey will be conducted with a mobile device contained files of aerial image maps including classified vegetation map. National Ecosystem Survey will be improved as follows. First, each survey methods suitable for the purpose should be developed. Second, monitoring methods for obtaining quantitative data should be developed. Finally, the research using the data should be developed in the field of not only ecosystem and biological diversity but also habitat assessment.

• 한국경영과학회:학술대회논문집
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• 한국경영과학회 2003년도 추계학술대회 및 정기총회
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• pp.297-300
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• 2003

This paper considers formal verification methods for enhancing software reliability. The formal method verifies that a software is correctly implemented according to its specification by using a mathematical formalism. This paper presents a partial survey on the formal methods and discusses possible applications for the improved software implementation. Finally, some topics are remarked as further studies.

• 한국콘텐츠학회:학술대회논문집
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• 한국콘텐츠학회 2003년도 추계종합학술대회 논문집
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• pp.474-480
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• 2003

인터넷 유해 사이트중 청소년들에게 가장 해악이 심한 것이 음란 사이트이다. 본 고에서는 이같은 음란사이트에 대한 현황, 배포방법, 내용과 차단책 등 음란사이트 전체에 대한 심도있는 고찰을 행하고자 한다. 이를 통해 음란 사이트에 대한 문제점을 심도있게 분석 및 다룸으로써 건전한 인터넷 문화 형성에 기여하고자 한다.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제8권11호
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• pp.3789-3809
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• 2014

Radio environment maps (REMs) and geolocation database represent an important source of information for the operation of cognitive radio networks, replacing or complementing spectrum sensing information. This paper provides a survey of methods for constructing the radio frequency layer of radio environment map (RF-REM) using distributed measurements of the signal levels at a given frequency in space and time. The signal level measurements can be obtained from fixed or mobile devices capable of sensing radio environment and sending this information to the REM. The signal measurements are complemented with information already stored in different REM content layers. The combined information is applied for estimation of the RF-REM layer. The RF-REM construction methods are compared, and their advantages and disadvantages with respect to the spatial distribution of signal measurements and computational complexity is given. This survey also indicates possible directions of further research in indirect RF-REM construction methods. It emphasizes that accurate RF-REM construction methods should in the best case support operation with random and clustered signal measurements, their operation should not be affected by measurements outliers, and it must estimate signal levels comparably on all RF-REM locations with moderate computational effort.

• 품질경영학회지
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• 제48권1호
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• pp.1-11
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• 2020

Purpose: This paper treats the survey result from the suppliers of smart factories. Based on the survey results, it is provided suggestions about government policies of the smart factory. Methods: For providing political suggestions, the survey of smart factory is conducted. The survey results are analyzed by the correlation and association methods based on the stratification. Results: The survey results are analyzed for extracting policy-level suggestions. Multiple policy-level suggestions are identified and presented in the conclusion. Conclusion: Six policy-level suggestions are presented for enhancing the management efficiency of suppliers of smart factory.

• 한국조사연구학회지:조사연구
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• 제4권1호
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• pp.1-29
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• 2003

모바일 조사방법은 유선전화조사와는 달리 응답대상자에 대한 접촉가능성이 높기 때문에 새로운 조사방법으로 활용되기 시작하였다. 그러나 모바일 조사방법의 표본 대표성을 확보할 수 있는 방법론이 아직 정립되지 않았다. 이 연구는 성향지수를 이용한 가중치를 사용하는 것이 모바일 조사의 표본편향을 제거해 줄 수 있는지 검토해 보았다. 성, 연령, 학력 등의 인구학적 속성과 기타 태도변인을 이용하여 성향지수를 산출하여 가중치로 사용하였다. 그 결과 선거예측조사와 과학 여론조사 등에서 표본의 편향이 감소되는 것으로 나타났다. 그러나 이러한 본 연구의 결과가 일반성을 어느 정도 가지는가는 좀더 검토되어야 할 것이다.

• 대한지역사회영양학회지
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• 제23권5호
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• pp.444-455
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• 2018

Objectives: The current survey environment is changing and participation rates in national nutrition surveys are decreasing. Therefore, the purpose of this study was to develop strategies for improving the nutrition survey system in the Korea National Health and Nutrition Examination Survey (KNHANES). Methods: To develop an alternative system for conducting the KNHANES nutritional survey, we conducted focus group interviews with stakeholders of the survey, SWOT (Strengths, Weaknesses, Opportunities, and Threats) analysis, and expert reviews. In addition, spatial analysis of potential sites for conducting surveys instead of relying on household visits was performed, and the perception of nutritional surveys in the population eligible for KNHANES was evaluated. Results: Based on the results of the focus group interviews, SWOT analysis, and expert reviews, we propose two options for survey sites: vehicles specifically prepared for nutritional surveys and public facilities such as community service centers or public health centers. Among public facilities, community service centers were found to be more appropriate sites than public health centers because they were considered more accessible. About 90% of respondents would participate in the survey in public facilities and about 74% would in vehicles. Conclusions: Conducting national nutrition surveys in specially designed vehicles and public facilities could be a viable alternative to home visits. Next, the validity of these newly proposed nutrition survey methods needs to be compared to the results of the current national nutrition survey.

• 대한한의학원전학회지
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• 제23권3호
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• pp.111-125
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• 2010

Objective: For the purpose to establish direction, goal and methods, basic attitude survey of students in The College of Oriental Medicine is necessary. Methods: For 356 students in three years of College of Oriental Medicine, survey about difficulty, preference between two methods of memorization and comprehension, direction and effectiveness of education, connectivity and overlap between related subjects, and teaching methods, is carried out and data is analyzed by subjects. Results: 1. In Chinese Literature, the survey shows that difficulty is $6.25{\pm}1.415$, contribution to read and understand is $7.23{\pm}1.801$, contribution to understand Human Nature and Gi Idea in Oriental Philosophy is $5.42{\pm}2.071$, and preference for comprehension is $6.25{\pm}2.387$. 2. In Medical Chinese Literature, the survey shows that difficulty is $5.98{\pm}1.655$, awareness about direction of education is $6.14{\pm}1.917$, overlap with subject of Oriental Medical Classics is $5.98{\pm}1.712$. 3. In Oriental Medical Classics, the survey shows that difficulty is $6.85{\pm}1.598$, preference for comprehension is $6.88{\pm}2.554$, connectivity with historical background is $5.07{\pm}1.989$, contribution of Chinese Literature is $7.27{\pm}1.882$, contribution of Medical Chinese Literature is $7.23{\pm}1.802$, connectivity with clinical area is $3.59{\pm}1.973$, preference for article-based teaching method is $6.35{\pm}2.693$, necessity to modern analysis of Oriental Medical Classics is $7.77{\pm}1.907$. 4. In Oriental Medical History, the survey shows that difficulty is $5.39{\pm}1,615$, feeling quantity of subject is $5.87{\pm}1.521$, connectivity with Oriental Medical Classics is $4.94{\pm}2.027$. Conclusion: The more comprehensive methods must be used than memorization, and modern analysis of Oriental Medical Classics have to be connected with clinical area. In addition, more close connection between Oriental Medical Classics and History is necessary, and new diverse method of education must be developed.