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      • KCI등재후보

        택지개발사업지구 입주인구의 내부유입률 추정 연구

        최대식(Dae-Sik Choi),김태균(Tae-Gyun Kim) 서울연구원 2009 서울도시연구 Vol.10 No.1

        이 연구는 택지지구의 유입인구 중 지역인구를 증가시키지 않는, 일정권역 내부(영향권)에서 유입되는 비율이 얼마나 되는지 추정하기 위한 모형을 개발하려는 목적을 지닌다. 이를 위해 우선, 연구의 주요개념인 내부유입률과 영향권에 대해 조작적으로 정의하였으며, 영향권은 구분 목적에 따라 2가지로 나누어 분석에 이용하였다. 택지지구 인구의 내부유입률에 영향을 미칠 것으로 예상되는 설명변수들을 택지지구 자체의 특성, 택지지구의 지리적 여건, 택지지구를 둘러싼 영향권의 특성으로 구분하여 구성하였다. 각 분류별로 총 9개의 설명변수(카테고리)를 도출하였으며, 변수간 유의성 검정을 통해 최종적 반영 여부를 결정하였다. 내부유입률 추정모형으로 룩업테이블(Look-up Table)을 활용하였는데, 이는 향후 각종 여건변화로 인한 자료의 변화 또는 추가 축적에 탄력적으로 대응할 수 있는 장점을 지닌다. RMSE(Root Mean Square Error)와 Theil 부등계수(Theils inequality coefficient)를 이용한 모형의 실측치 묘사성을 검토한 결과 모형의 신뢰성이 확보되는 것으로 나타났다. 추정된 모형을 이용하여 김포한강 신도시와 평택고덕국제화계획지구를 사례로 내부유입률을 산출한 결과 각각 51%와 45%로 분석되었다. 이 연구결과는 향후 택지개발 추진시 지역인구 증가분 과추정의 오류를 줄여줄 수 있을 것이며, 따라서 각종 지역계획이나 기반시설 등에 대한 계획의 합리화를 도모할 수 있다. This study aims to develop an estimation model for intra-regional ratio of moving-in population into residential land development areas. To this end, it operationally defines the main concepts such as intra-region and intra-regional ratio of moving-in population. Factors expected to affect intra-regional ratio of moving-in population are formed based on innate characteristics of development areas, locational characteristics of development areas, and characteristics of intra-region including development areas. As a result, a total of nine explanatory variables(categories) are established that influence the intra-regional ratio of moving-in population. Look-up Table is introduced as the estimation model, which is easy to be renewed by changes or additions to the original data. The reliability of the model is verified by evaluations using the RMSE(Root Mean Square Error) and Theils inequality coefficient. The model is experimentally applied to estimate the intra-regional ratio of moving-in population into two residential land development areas, Gimpo-Hangang and Pyeontaek-Godeok, which are found to be 51% and 45%, respectively. The results of this study are expected to enhance the rationality on the forecast of regional population increase by residential land developments, the planning of regional infrastructure, and so on.

      • KCI등재
      • KCI우수등재

        토지이용자 관점에서 본 지역 · 지구등의 행위제한 내용 체계화 방안 연구

        최대식(Choi, Dae-Sik),정연우(Jeong, Yeun-Woo),이삼수(Lee, Sam-Su) 대한국토·도시계획학회 2016 國土計劃 Vol.51 No.5

        Zoning system intends to derive the land use in the desired direction through various regulatory actions, or restrict certain land use. In order to reap the effective behavior control as a means to achieve the objectives of zoning, land users should be able to easily understand the details of behavior control. This study attempt to organize the details of behavior control clearly from the perspective of the users or consumers. Major findings of the study are presented as follows. First, The elements of the behavior control are largely classified as the expression of subject to regulations, the regulations of appearance and the administrative regulations. Second, The types for separated three regulatory element are analyzed. Finally, based on the derived typology, the framework for behavior controls of each zoning is established to understand the details of behavior control easily. This framework has the advantage that allows you to understand the contents of the regulations by clearly indicating the elements of the behavior control.

      • KCI등재

        1인당 주택면적을 활용한 지역별 택지수요 분석 연구

        최대식(Choi Dae Sik),성장환(Seong Jang Hwan) 한국도시행정학회 2010 도시 행정 학보 Vol.23 No.1

        This study aims to forecast the future demand for residential land in each municipality and the whole country. To this end, this study develops two separate models: a per capita living space estimation model and a population projection model. For the former, the whole country is classified into seven municipality groups and a model is established for each group. According to the results, county residents in the non-capital region are expected to have the largest per capita living space of 32.93m' in 2020, while city residents in the capital region to have the smallest of 25. 39m'. The future population of each municipality is projected with the use of Cohort survival method and regression method. In terms of the population increase rate, Yongin ranks the highest, followed by Gwangju(Gyeonggi), Paju, Hwaseong and Ansan. All of them are located in the capital region. Based on these results, the future demand for additional housing space and residential land is derived. By 2020, an additional housing space of 50lkIn', or 5.9 million housing units, are expected to be needed, with the demand for new residential development area reaching 767km', By city, Bucheon is found to have the highest ratio of the demand for new residential area in comparison with 'urban area' designated by the National Land Planning Law, followed by Anyang, Suweon, Seoul and Seongnam. By municipality group, Seoul/Incheon ranks the highest with the annual rate of 0.79 percent, followed by cities in the capital region, and metropolises in the non-capital region. Counties in the non-capital region are forecasted to have the annual rate of 0.06 percent, far lower than other groups.

      • KCI우수등재

        밀도결합형 셀룰라 오토마타 모형의 개발

        최대식(Choi Dae-Sik),임창호(Yim Chang-Ho) 대한국토·도시계획학회 2004 國土計劃 Vol.39 No.5

        Being one of the essential factors affecting various spatial phenomena in human settlement, incorporation of the density factor into the existing Cellular Automata(CA) model will produce an excellent instrumentation for urban analysis and planning. This study aims to develop a density-incorporated CA model as urban growth model. Two types of the model are established : an urban growth CA model for the two-dimensional urban expansion ; and a density model for the density change of cells. As a method of determining the parameters of the urban growth CA model, the study uses the logit analysis instead of the calibration process which is widely used but arbitrary and time consuming. The density model for the population density change of cells consists of two sub-models : a model for the population density change of jurisdictions ; and a developed area ratio model. The urban growth CA model combined by density factor is tested for the analogical performance to the actual urban growth of Seoul Metropolitan Area. The result shows that the number of developed cells in the simulation for the year 2000, has almost the same value as the actual one, and the simulation using the density-incorporated CA model produces very similar results to reality. It also confirms that not only distribution of population but also trend of population density change simulated by the model had similar patterns to reality.

      • 타액선 종양에 있어서 S-100 단백과 Lactoferrin에 관한 면역조직화학적 연구

        최대식(Dae Sik Choi),김상효(Sang Hyo Kim) 대한두경부종양학회 1993 대한두경부 종양학회지 Vol.9 No.1

        Immunohistochemical studies on S-100 protein and lactoferrin were carried out to evaluate the existence and distribution pattern of S-100 protein and lactoferrin positive cells in salivary gland tumors. The specimens used were 25 cases of pleomorphic adenoma, 2 cases of monomorphic adenoma, 2 cases of mucoepidermoid tumor, 2 cases of acinic cell tumor, 3 cases of adenoid cystic carcinoma and 2 cases of adenocarcinoma occured in parotid and submandibular salivary gland. ABC kits(Dako corp. Copenhagen. Denmark) for S-100 protein and lactoferrin were used. The results obtained were summarized as follows: In the normal salivary gland. positive immunoreaction for S-100 protein was observed in myoepithelial cells of acini and intercalated ducts. Positive immunoreaction for lactoferrin was observed in serous acinic cells, epithelial cells of intercalated ducts, and excretory material in the ductal lumina. In the pleomorphic and monomorphic adenomas. most of tumor cells were positive for S-100 protein, while luminal tumor cells in gland-like or duct-like structures were rarely positive for lactoferrin. In mucoepidermoid tumor, most of squamous cells and a few of intermediate cells were positive for S-100 protein, but all of tumor cells were negative for lactoferrin. In acinic cell tumor, most of tumor cells were positive for lactoferrin, but all of tumor cells were negative for S-100 protein. In adenoid cystic carcinoma, basaloid tumor cells in trabecular structure were focally positive for S-100 protein. and in adenocarcinoma, many of tumor cells were posivive for both S-100 protein and lactoferrin. Thus, according to the embryonic stage of the development of the tumor cell origin, it was possible to classify the salivary gland tumor as followings: mucoepidermoid carcinoma which originated from the earliest stage, acinic cell tumor which originated from the end stage. Between these two extremes, there were pleomorphic adenoma, adenoid cystic carcinoma and adenocarcinoma which originated in the middle stage of the development of .the salivary glands. Based on the above results, it can be stated that S-100 protein is demonstrated in tumor cells orginated from myoepithelial cells and lactoferrin in glandular differentiated tumor cells.

      • KCI우수등재

        도시개발 시뮬레이션 모형을 이용한 수도권 개발제한구역의 시가지확산 억제효과 평가

        최대식(Choi Dae-Sik) 대한국토·도시계획학회 2008 國土計劃 Vol.43 No.1

        This study analyzes the effect of the actual land use regulation on the land development or urban growth, applying the density-incorporated Cellular Automata(CA) model which was developed in the previous study. It should be excellent tool for evaluating the land use regulations aiming to control the location and density of land use. Particularly, this study focuses on the urban growth constraining effect of the Green Belt policy in the Seoul metropolitan area. After setting the scenarios on the existence of the Green Belt policy and the situation of other land use control policies, its effect was evaluated through the comparison among the simulation results of the scenarios. As a result, it was found that the Green Belt policy had contributed to the dense development of Seoul and kept off urban expansion to areas designated by the Green Belt after the early 1980's while causing the leap-frogging development to the outer area.

      • KCI등재

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