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이예영(Yeyoung Lee),김유나(Yuna Kim),유성은(Sung-Eun Yoo),김관수(Kwansoo Kim),안동환(Donghwan An) 동아시아식생활학회 2018 동아시아식생활학회지 Vol.28 No.6
In recent years, many researchers have examined the relationship between the types of households and dietary patterns as the family structure changes. Changes in the dietary patterns have recently been emphasized to promote traditional values and the level of consumption of domestic agricultural products. Given these observations, a need for research on the linkages between the types of households and dietary choices especially in the context of Korean traditional dietary choices can be addressed. This study focuses on the consumption patterns of Korean food, called Hansik, according to the household types using the 2013∼2015 Korea National Health and Nutrition Examination Survey (KNHANS) data. The residence area, age, monthly income level and education level of households contributed significantly to the Hansik consumption rate. The major results from empirical analysis were also highlighted. First, a single-person household had a 2.51% higher Hansik consumption rate than a member of two or more-person households. Second, members of households with children showed a 0.88% higher Hansik consumption rate than members of households without children. Third, elderly household members had a 1.27% higher Hansik consumption rate than non-elderly household members. The analysis also showed that single-person households (—0.0251) had a negative impact on the Hansik consumption rate, whereas elderly households (0.0127) made a positive contribution to the Hansik consumption rate. This suggests that elderly households living alone are likely to consume less Hansik than elderly households living with family members. The tailor-made strategies are needed for each household to efficiently increase the Hansik consumption.
이예영(Yeyoung Lee),안동환(Donghwan An),김태윤(Taeyoon Kim) 한국농업경제학회 2020 농업경제연구 Vol.61 No.3
Extension service plays a crucial role in agricultural production and household food security in Africa south of the Sahara (SSA). Despite the growing evidence on the effects of extension service on various outcomes, including crop productivity, technology adoption, and income, the evidence is limited on the impact on farmers’ ability to select and allocate inputs. While the effects of the extension service can vary with spatial variation, our study examines the effects of extension crop (maize, bean, and rice) production, revenue, and profit in Mbale district, located in the Eastern region of Uganda. We decompose the effects of extension into three: worker effect, input-allocation effect, and input-selection effect. Using household-level data based on the 204 farmers surveys, we examine the effects of extension service. Both worker and allocative effects of rice are found, while the former is more dominant than the latter. The results also show that the input-selection effect is more influential than the input-allocation effect. Overall, the findings suggest that much attention should be paid to rice farmers in Mbale district by supporting access to agricultural and market information with innovations in farm technology that enable farmers to receive optimal returns in crop production. Given the effects of extension service, tailored strategies and agricultural programs are suggested to enhance the capacity of farmers and increase profitable marketed output that will help to promote sustainable development.
PLC 통합 검침 인프라를 활용한 양방향 전력부하 원격관리 기술
최문석(Moonsuk Choi),이예영(Yeyoung Lee),주성호(seongho Ju),백종목(Jongmock Baek) 전력전자학회 2009 전력전자학술대회 논문집 Vol.2009 No.2
에너지 자원의 고갈과 환경 문제들이 화두가 되면서 전 세계적으로 에너지의 효율적인 활용을 위해 관심이 집중되고 있다. 이러한 상황에서 에너지 자원을 전적으로 수입에 의존하고 있는 우리나라는 전력의 수급안정 및 소비 절약을 위해 수요관리가 무엇보다 중요한 실정이다. 이미 수요관리의 중요성을 인지하고 여러 방법을 통하여 전력수요를 관리해 오고 있으나 아직 까지는 많은 문제가 따르는 상황이다. 수요관리의 한 방법으로 하계기간에 전력소모량의 가장 큰 비중을 차지하는 에어컨의 피크시간대 제어를 통하여 수요를 조절하는 방법이 있다. 기존에 운영되던 원격에어컨 제어 방식은 제어가 단 방향 통신이라는 점과 별도의 통-신비용이 부담되는 등 문제점을 가지고 있다. 본 논문에서는 PLC 통합검침 인프라를 통한 양방향 원격 에어컨 제어 시스템을 구현하여 전력수요의 효율적인 관리의 방법에 대해 제안하고자 한다.
영화 등장인물의 사회관계망에서 중요도를 기반으로 하는 주연 등장인물 검출 기법
허주성 ( Jooseong Heo ),서장원 ( Jangwon Seo ),김태형 ( Taehyeong Kim ),이예영 ( Yeyoung Lee ),한연희 ( Youn-hee Han ) 한국정보처리학회 2015 한국정보처리학회 학술대회논문집 Vol.22 No.1
‘영화 속에 등장하는 주연들은 어떤 기준으로 선정되는가’에서 본 논문에서는 두 가지 방법을 활용하여 주연들을 추출해보았다. 그 결과 가중치 연결 중심도를 이용한 검출 방법이 공식적인 주연급 등장인물과 일치한다는 것을 도출해냄.