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장현석(Hyun-Seok Chang),정진우(Jin-Woo Jung),최운호(Woon-Ho Choi) 한국철도학회 2012 한국철도학회 학술발표대회논문집 Vol.2012 No.5
우리나라 철도차량 역사(驛舍) 승강장 형식은 저상 승강장과 고상 승강장으로 구분되어 운용되고 있다. 저상 승강장은 일반 객차 및 고속 차량을 운용하는 역사에 적용되며, 고상 승강장은 광역 전철(지하철)을 운용하는 역사에 적용되어 있다. 해외 사례를 살펴보면, 일반적으로 일본은 고상 승강장 형식을 채용하고 있으며, 저상 승강장은 유럽 국가에서 채용하고 있다. 승강장의 형식은 승객의 차량 승하차시 편의성 및 안전성과 연관이 있으며, 철도 차량의 발판 또한 승강장의 형식에 맞추어 설계 및 제작되므로 본 논문에서는 역사 승강장의 형식에 따른 객차 발판의 형식 및 차량과의 인터페이스에 대한 기초 연구를 하고자 한다. Low level and high level platform are normally used in Korean railway. Low level platform is applied to normal coach and high speed train and high level platform is applied to subway train. High level platform is applied to any type of train in Japan, and low and high level platform are used in European countries like Korea. Type of platform is closely related with safety and convenience for passengers when they get on and off the train. Train boarding system is designed and manufactured according to the height of platform. In this paper, we will study the type of train boarding system and it's interface with train according to type of platform.
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웹툰 연재기간 및 모바일 게임화 가능성 예측을 위한 데이터 마이닝 모형에 관한 연구
장현석(Hyun Seok Jang),이건창(Kun Chang Lee) 한국컴퓨터정보학회 2018 韓國컴퓨터情報學會論文誌 Vol.23 No.4
This paper proposes data mining models relevant to the serial publication periods and mobile gamification likelihood of webtoon contents which were either serialized or completed in 〈Naver Webtoon〉 platform. The size of the cartoon industry including webtoon takes merely 1% of the total entertainment contents industry in Korea. However, the significance of webtoon business is rapidly growing because its intellectual property can be easily used as an effective OSMU (One Source Multi-Use) vehicle for multiple types of contents such as movie, drama, game, and character-related merchandising. We suggested a set of data mining classifiers that are deemed suitable to provide prediction models for serial publication periods and mobile gamification likelihood for the sake of webtoon contents. As a result, the balanced accuracies are respectively recorded as 85.0% and 59.0%, from the two models.
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성범죄자 신상공개제도의 효과성에 관한 연구 -미국 텍사스 주의 성범죄자 등록 및 공개제도의 검증을 중심으로-
최응렬 ( Eung Ryul Choi ),장현석 ( Hyun Seok Jang ),이창배 ( Chang Bae Lee ) 한국형사정책학회 2007 刑事政策 Vol.19 No.1
In order to prevent sexual exploitations and violences against juveniles, Korean government enacted the Juvenile Sex Protection Law in 2000. With the serious consequences of victimization as well as the public concerns on the protection of juveniles` sex, the National Youth Commission(NYC) has released the personal information of sex offenders against juveniles since August of 2001. Until now(March, 2007), there have been eleven public notifications of sex offender`s personal information. However, the Juvenile Sex Protection Law has raised various debates with regard to the unconstitutionality of the public notification policy. The issue of double jeopardy problem, the invasion of human rights, and the violation of equal treatment principle have been debated in the academic circle. The Constitution Court of Korea decided the public notification policy to be constitutional in June, 2003. Currently, the NYC tries to increase the effectiveness of the public notification policy by classifying the offenders into high-risk and low-risk offenders. The NYC notifies the personal photography, address, job information for the high-risk offenders. However, the low-risk offenders can avoid the public notification if they complete the treatment programs for the prevention of recidivism. The ultimate goal of the public notification policy is to prevent sex offenses against juveniles. Even though there were several attempts to examine the effectiveness of this policy, there is no direct evaluation research on this policy with the reason of the lack of appropriate data. As an alternative approach to this problem, this research examines the sex offender registration and notification policy in the United States. Because the sex offender registration and notification policy in the U.S. has become a model of Korean sex offender notification policy, the evaluation of U.S. policy would give an idea on the effectiveness of Korean policy. Texas has implemented the sex offender registration and notification policy since September 1, 1991 by the Sex Offender Registration Act. In order to see the impact of this policy on the trend of rape rates in the Texas, this research uses monthly rape crime data from the Uniform Crime Reports. For the analysis, this research uses the repeated measures ANOVA and Intervention Time-series Analysis. The analysis shows that the sex offender registration and notification policy has resulted in the reduction of rape rates with the two-year lag. However, the clearance rate of rape has declined since the inauguration of the policy.
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구강 및 악안면 영역의 연조직 손상에 관한 임상적 연구
유준영,김용관,배준수,장현석,You, Jun-Young,Kim, Yong-Kwan,Bae, June-soo,Chang, Hyun-Seok 대한악안면성형재건외과학회 1997 Maxillofacial Plastic Reconstructive Surgery Vol.19 No.4
The soft tissue injuries of Oral & Maxillofacial region include abrasion, contusion, simple laceration, laceration of skin with underlying tissue, soft tissue injuries combined with facial bone fracture and involving functional structures such as facial nerve and vessel, orbit, lacrimal duct and salivary gland and so on. The results obtained were as follows ; 1. The age range was 1 to 97, and the highest incidence occured in the 3rd decade(23.4%), followed by the 1st decade(20.2%), 4th decade(18.1%), 4th decade(18.1), and 5th decade(14.3%) 2. The sexual ration was 4 : 1(M : F). 3. The most common cause of facial laceration was a accident(54.5), followed by blow(17.8%), traffic accident(15.9%) and unknown(10.8%). 4. The most frequently occurred site of injury was a forehead(24), followed by oral cavity(16.9%), lip(15%), eyebrow(14.5%), cheek(14%), chin(11.8%), nose(2%), scalp(1.4%) and neck(0.9%). 5. Most of wound size was less than 3cm in length. 6. 28 patients suffered facial bone fracture, representing 7%. 7. The major complications following facial laceration were infection and facial paralysis caused by facial nerve injuries, representing 4.5% and 1.9%.
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NASOETHMOID-ORBITAL FRACTURE : REPORT OF A CASE
You,Jun-Young,Chang,Hyun-Seok,Kim,Yong-Kwan 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.4
중안면부의 골절은 심미적이로나 기능적으로 많은 문제를 야기할 뿐아니라 두개부와 연관되어 뇌손상의 가능성을 가지므로 생명과 직접적인 연관을 갖는다고 할 수 있다. 산업사회의 고도의 발달로 인하여 자동차의 보급이 증가하고 그에 따라 교통사고의 절대수가 증가하고 안면부 골절환자가 증가추세에 있다고 볼 수 있다. 때문에 구강악안면외과의사로서 중안면부의 골절에 관심을 기울여야 할 것으로 생각된다. 중안면부 골절 가운데 비골을 포함한 안와 근심벽의 쉽게 일어나며 골절에 포함된 해부학적 구조물들이 복잡하기 때문에 골절후에 기능적 이상이 쉽게 발생될 수 있다. 본 과에서 처치한 중안면 골절 환자중 비골을 포함한 안와 근심벽의 골절환자를 경험한 바 이에 보고하는 바이다.
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