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침수 위험 정보 공개가 주택가격에 미치는 영향: 서울 양천구와 강서구를 대상으로
서정석 ( Seo Jung-seok ),김정섭 ( Kim Jeong-seob ) 한국부동산분석학회 2017 부동산분석학회 학술발표논문집 Vol.2017 No.-
Recently, The frequency of severe natural disasters has increased due to the climate change. In Korea, one of the most representative natural disasters is a severe rain storm. In this regard, many urban areas are vulnerable to inundation. Hence, it is necessary to provide natural hazard information so that people are more likely to aware of the risk in their neighborhood. However, some people are concerned about the fact that hazard information notice may decrease their property value. Therefore, this study investigates the effects of Inundation Hazard Information Notice on property value in Yangcheon-gu and Gangseo-gu, Seoul. The study analyzes the effects of inundation map provided by Seoul on property value by using a hedonic price model with multi-level regression and a difference-in-difference method. The results indicate that the inundation map does not influence housing values except for semi-basement. However, the effects of the inundation hazard on semi-basement`s values(8.9%) were already reflected before the information notice. Hence, this study may contribute to persuading people who oppose the policy of inundation hazard information notice.
모바일 앱 프레임워크를 이용한 멀티 플랫폼 지원 하이브리드 모바일 CRM 설계 및 구현
서정석(Jung-Seok Seo),이상순(Sang-Soon Lee) 한국정보기술학회 2014 한국정보기술학회논문지 Vol.12 No.12
In this paper, recently according to the sophistication of the performance of the smart phone, according to the environment in which the mobile office applications for business operations is being serviced, the possible Hybrid Mobile CRM system has been designed and implemented using a variety of platforms. In order to implement this system, you can define system requirements, we designed a system architecture. In addition, the system module for implementing a design system, a data flow diagram, defines the system operation process and the system was implemented. In this paper, was written to test the test scenarios to test the hybrid mobile CRM, and design. As a result, Hybrid Mobile CRM system without affecting the terminal screen size and resolution in a multi-platform environment I was confirmed it is working properly.
침수위험이 주택가격에 미치는 영향: 서울 양천구를 사례로
서정석 ( Seo Jung Seok ),박주현 ( Park Ju Hyeon ),김정섭 ( Kim Jeongseob ) 한국감정평가학회 2017 감정평가학논집 Vol.16 No.1
본 연구에서는 서울특별시 양천구를 사례지역으로 하여 연립주택 및 다가구주택을 대상으로 하는 헤도닉 가격 모형을 구축하고, 침수위험이 주택가격에 미치는 영향을 실증적으로 분석하였다. 침수위험은 실제 침수피해가 발생한 침수흔적지도를 통하여 간접적으로 측정하였으며, 이중차분법 모형을 적용하여 대규모 침수피해 발생 전후로 침수위험의 영향이 변화하는지 분석하였다. 분석결과, 침수위험이 높은 지역에서는 평균적으로 최대 7.6%까지 주택가격이 낮게 형성되었으며, 2010년 9월 대규모 침수피해 이후로는 (반)지하층을 중심으로 최대 16.2% 주택가격을 하락시키는 결과로 나타났다. 이는 반지하층의 주 거주자인 저소득층이 재해위험에 더욱 노출됨을 의미하므로 이를 해소하기 위한 정책적 노력이 요구된다. This study explores the effects of inundation hazard on property values in Yangcheon-gu, Seoul. The effect of inundation hazard before and after the massive torrential rains in September 2010 are analyzed using a hedonic price model with a difference-in-difference approach. The results show that inundation hazard could reduce housing values by up to 7.6% and the negative effect on semi-basement houses has increased by up to 16.2% after the event. The negative effect of inundation hazard on semi-basement houses implies disproportionately higher hazard exposure in low-income households.
서정석(Seo Jung-seok),한경연(Han Kyeong-yeon),김재수(Kim Jae-soo) 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
The present study aims at measuring and analyzing the indoor acoustic characteristics of Won Buddhist sanctums and providing basic information for acoustic design. With its rapid development and expansion. Won Buddhism needs expansive sanctums to perform large-scaled religious ceremonies, and for this it requires optimal criteria for evaluating sound. Thus, this study plans to select three single-story sanctums and three balcony-typed ones, which area is over 1000㎡, and to determine the physical properties of their indoor sound.<br/> In conclusion, the six Won Buddhist sanctums were not designed on the basis of consistent evaluation criteria. so their indoor acoustic characteristics varied significantly. Even sound in the same sanctum was different according to seat. In addition, due to the use of echoic finishing materials. the reverberation time was long for high frequency bands, and the long reverberation time is considered to have great influence on the clarity of sound.
음원의 종류에 따른 원불교 대법당의 음향특성 변화에 관한 연구
서정석(Seo. Jung-seok),한경연(Han. Kyeong-yeon),김재수(Kim. Jae-soo) 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1
This Study purposes to provide the essential data for Sound Planning by means of measuring and analyzing of room acoustic character of Won Buddhist Sanctums by sound source. Those sounds of religious events which presently going on within Won Buddhist Sanctums are being delivered to the Buddhists mostly by PA System, therefore, it must be sufficiently considered not only the Building Acoustic Character made by those required elements such as concluding-material, volume, feature, etc which influencing to indoor sound, but also the Acoustic Character by PA System. Accordingly, this Research would intend to measure and analyze of Acoustic Character of Won Buddhist Sanctums by sound sources.<br/> According to the conclusion of this Research, Indoor Sound Character at Won Buddhist Sanctums, in cases of RT which concerned with the volume of vibration, and RASTI that concerned with the Understanding Degree by indoor background noise, while it can be appraised without any big influence by sound sources, but in cases of D50, C80 which related to Clearness, it appears as different due to the characters of the two sorts of sound, so that should be evaluated in parallel with the two kinds. On the other side, in case of EDT, despite of the appraisal index that related to the volume of vibration, it is considered that there is no relationship between the two sound sources on account of the characteristics which varying according to the feature of room, or its measuring location.
스마트 웰니스 시스템에서 데이터 수집 신뢰성 향상을 위한 데이터 추출 및 전송 알고리즘 설계
서정석 ( Jung-seok Seo ),박석천 ( Seok-cheon Park ) 한국정보처리학회 2013 한국정보처리학회 학술대회논문집 Vol.20 No.2
본 논문에서는 스마트폰의 급격한 확산과 함께 보급되는 다양한 SWD(Smart Wellness Device)로부터 파생된 데이터를 센싱하여 습득할 때 생기는 문제점을 개선하고 신뢰성을 향상시키기 위하여 관련 정보를 조사 및 분석하였다. 이를 통해 스마트 웰니스 시스템에서 SWD를 통해 수집된 데이터의 신뢰성을 잃는 문제점을 해결하고 신뢰성 향상을 위한 데이터 추출 및 전송 알고리즘을 설계하였다.
서정석 ( Jung-seok Seo ),심재성 ( Jae-sung Shim ),박석천 ( Seok-cheon Park ) 한국정보처리학회 2013 한국정보처리학회 학술대회논문집 Vol.20 No.1
본 논문에서는 다양한 분야에서 도입 운용되어 증가하는 영상감시정보의 수요에 대응하기 위해 지능형 영상감시 기술개발 동향과 적용기술에 대한 정보를 조사 및 분석하였다. 이를 통해 영상감시정보의 수요에 대응하기 위하여 서비스별 시나리오에 따라 다양한 서비스 제공과 효율적인 영상감시를 위한 서비스 맞춤형 영상감시 시스템을 설계하였다.