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      • 연관 규칙과 시간 간격을 함께 탐색하는 알고리즘

        신윤재 ( Yoonjae Shin ),이기용 ( Ki Yong Lee ) 한국정보처리학회 2016 한국정보처리학회 학술대회논문집 Vol.23 No.2

        로그 데이터 속에서 시간차를 두고 발생하는 트랜잭션 혹은 이벤트를 감지하는 일은 유통, 마케팅, 금융 등 다양한 분야에서 활용될 수 있다. 데이터베이스 분야에서 반복되는 패턴을 감지하는 알고리즘은 종종 소개되었지만, 데이터의 특성과 트랜잭션 간의 시간 간격을 고려한 연관 규칙 탐색 알고리즘 연구는 빈약했다. 본 논문에서는 정해진 구간에서 반복되는 패턴을 찾거나 주어진 아이템에 대한 주기를 찾는 등의 기존연구와 달리 전체 데이터베이스를 스캔하여 찾을 수 있는 연관 규칙과 그 연관 규칙이 반복되는 시간 간격을 함께 탐색하는 알고리즘을 제안한다. 또한, 제안하는 알고리즘의 처리시간에 대한 실험을 통해 성능을 확인한다

      • KCI등재
      • KCI등재

        도시디자인 정책 사례분석을 통해 본 도시경쟁력에 관한 연구 -서울, 베를린, 런던의 도시디자인 기본계획 사례를 중심으로-

        신윤재 ( Yoon Jae Shin ),엄아영 ( A Young Um ),서혜영 ( Hye Young Suh ) 한국공간디자인학회 2013 한국공간디자인학회논문집 Vol.8 No.2

        (Background and Purpose)The background of this study is the concept that urban design policy builds the image and brand of a city and that it eventually adds to urban competitiveness. Also citizen-centered policies have become the primary concern of urban competitiveness now. The purpose of this study is, in terms of city marketing and city branding, to examine the“Development of Berlin`s Creative Economy and Potential”and“The London Plan”to interpret their relationship with urban competitiveness vis-a-vis the“2030 Seoul Plan”the master plan for urban design policies in Seoul. (Method)The methods of this study are theoretical consideration along with a pilot survey, secondary research, and domestic and overseas case studies. Through theoretical consideration, the study analyses perspectives and changes in urban competitiveness. Thereafter, the commonality and specialty of each city is examined using case studies on the city`s competitiveness. (Result)This study shows that there is a close relationship between the urban design master plan and the strengthening of urban competitiveness, and that holistic urban design policy development, with a multi-dimensional approach, is needed. For a better city life, urban design should be accorded high priority in each phase of policy decision, practice, and evaluation.

      • KCI등재

        국내외 도시재생 사업의 거버넌스에 대한 연구

        신윤재 ( Yoonjae Shin ),이소연 ( Soyeon Lee ) 한국공간디자인학회 2016 한국공간디자인학회논문집 Vol.11 No.6

        It can be said that urban regeneration has become a buzzword of urban planning carried out worldwide. In the midst of such a change in urban planning paradigm, the Korean government is also formulating a variety of policies associated with urban regeneration. Under such background, the purpose of this study is to review major policies and cases both in and out of the country related to urban regeneration, with a focus on governance. This study intends to check relevant cases both in and out of the country to identify the decision-making process for urban regeneration projects and interpret them from the perspective of partnership via cooperation between the private and public sectors. (Method) This study aims to check the factors of change made over the past five years in urban regeneration-related governance through a survey of foregoing studies. Spatial scope-wise, this study intended to define the relationship between governance and urban regeneration by checking the governance in countries like Korea, the United Kingdom, France, the United States, Japan and surveying urban regeneration projects in major cities like London, Paris, New York, Seattle and Tokyo. Methodologically, this study was theoretically considered based on theoretical surveys and preceding studies and then engaged in a survey of cases both in and out of the country. Chapter 2 focuses on a survey of theories and preceding studies about urban regeneration and governance. Chapters 3 and 4 contain surveys and analyses of cases within SMG and abroad, respectively. Chapter 5 states the conclusion. Through such a flow, this study deals with governance cases on partnership-based urban regeneration projects both in and out of the country. (Results) This study concluded that urban regeneration and governance are closely associated with each other and that they are working as an irreversible trend. It appears that the importance of the role of partnership-based private communities and people-participating process will become larger. Also, in spending public budget for fostering the urban regeneration ecological system, measures should be taken to ensure that the effects of relevant policies are evenly distributed to people through meticulous pre-analysis of less-privileged people in the policy-making and execution processes. It is also necessary to establish a system that ensures relevant feedback to other policies based on objective appraisal of the projects carried out. (Conclusions) This study examined existing decision-making processes and relevant cases to ponder possible directions that should be adopted by cities in the future. As a conclusion, this study suggests that efforts should be made to ensure the proper working of the role of governance in each stage of policy decision, execution, and appraisal with the aim of making better residential cities.

      • KCI등재

        人口動態申告 및 統計調査의 改善方案

        愼潤宰(Yun-Jae Shin) 한국인구학회 1988 한국인구학 Vol.11 No.1

        1. Objectives of the Study It is a well known fact that a prompt and reliable data on demographic information is essential in a proper planning and evaluation of any program of national or community level. Especially viatal statistics are an important demographic component among demographic information. Realizing the importance of vital statistics, the government has made some efforts for years to improve the vital registration system which has a close relationship with the production of vital statistics. However, it is still observed that there are some limitations in utilizing vital registration data due to considerable amount of vital events which are never registered and registered but not in time or inaccurately, even though vital registration system in Korea has sound legal basis. In this connection, the objectives of the study is as follows : (1) To examine some problems of the vital registration system in various aspects, (2) To make improvement programme of Continuous Demographic Survey as a supplementary source of vital statistics, and (3) To find out some alternatives for making it possible to produce and utilize the reliable vital statistics by developing analytical methodologies on that. 2. Current Situation of Vital Registration System All the vital events, i.e. births, deaths, marriages and divorces, are to be registered in time under the Civil Registration Law, Statistics Law and Regulation on Vital Statstics as a duty of people. Some recent tendencies in each of recent registration are summarized as below : (1) The completeness of vital registration ㆍOut of all births which are occurred during a year, around75% of those compared to the estimates are registered in the year of occurrence. ㆍIn case of death registration, the percentage of registration in the year of occurrence has been gradually increased from 86.2% in the year of 1980, but it is still below the level of 90% compared to the estimates. ㆍThe percentage of registration for marriages and divorces in the year of occurrence out of total registered numbers was revealed to be 69% and 73% respectively in 1985. (2) Continuous Demographic Survey ㆍIt is a kind of sample survey for the purpose of producing reliable vital statistics which could not be provided by the vital registration. ㆍIt covers about 17,000 sample households at national level and important information for vital events are collected in every month by 323 expertized enumerators who are regular staff of the government. Although the result of the survey seems to be more reliable than that of vital registration, the reliability of the data is still below the acceptable level if compared with relevant information from other sources such as population census or special surveys. 3. Problems of Vital Registration System There are four major obstacles in improving vital registration system in Korea ; (1) In general, policy priority is not given on any programme of improving vital registration system. It is, therefore, very difficult to formulate comprehensive programme through having cooperation from related authorities and sufficient financial assistance. (2) In all the laws related and system itself, there is substantial degree of overlap and irrationality. Registration of each vital event is maintained according to several laws and regulation such as Civil Registration Law, Statistics Law, Resident Registration Law and Regulation on Vital Statistics. However they are mutually overlapped and overall supervision can not be done systematically due to lack of co-operation among the authorities concerned. (3) The administration of vital registration system seems to be working inefficiently, because of most of civil servants who are in charge of vital registration are lacking of conception on vital statistics and also there is a certain extent of regidity in handling the works. Therefore, they are doing their jobs

      • 어드벤스드 에어백 시스템의 Threshold

        신윤재(Yunejae Shin),김헌영(Hyunyoung Kim) 한국자동차공학회 2004 한국자동차공학회 Symposium Vol.- No.-

        Occupant restraint system must be considered the injury level that it is due to the inflator output and seat belt usage at the high / low crash speed. It includes passenger occupant detection system and seat track position sensor (STPS) in order to meet NHTSA proposed new air bag requirements for passenger cars and light truck. This paper suggests airbag threshold determination methodology using CAE tool. Occupant Analysis's main purpose is to determine the initial thresholds, which would optimize speed zone per airbag fire/no-fire and different inflator outputs on the various vehicle crash speed. Crash pulses was from the real crash data at the some testing points such like 10, 15, 19 and 30mph frontal impact and analysis was run per each crash speed from 10mph to 30mph with various restraint conditions. (No restraint, belted only, bag only, belted & bag and inflator high/low output) HIC_IS, chest "g" and 4mph crash tolerance was considered for establishment of threshold between airbag no-fire/fire, inflator high/low output and ACU calibration.<br/> <br/>

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