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개인정보 유출 방지를 위한 SRI(Security Risk Indicator)기반 모니터링 시스템 개발
박성주(Sung-Ju Park),임종인(Jong-in Llim) 한국정보보호학회 2012 정보보호학회논문지 Vol.22 No.3
오늘날과 같은 정보화 사회에서는 정보가 기업의 핵심자산으로 인식되고 있으며, 특히 금융권에서는 고객의 개인정보 유출이 커다란 이슈로 대두되고 있다. 현재 상용화된 개인정보보호 기술은 전사적인 차원이 아닌 일부 기능으로 국한되거나 극히 일부분의 개인정보만 포함되는 경우가 많다. 따라서 전사적인 차원에서 개인정보 유출을 사전에 예방하기 위해서는 개인정보 유출의 징후를 지속적으로 모니터링 할 수 있는 체계에 대한 연구가 필요하다. 본 연구에서는 개인정보 접근에 대한 패턴분석 및 SRI(Security Risk Indicator)를 이용한 모니터링 체계 구축 방법론을 제안하였으며, 실제 금융권 기업에 적용하여 사례연구를 수행하였다. 이를 통해 탐지된 개인정보 유출 시도는 탐지된 유형에 맞춰 체계화된 대응 방안을 수립할 수 있게 되었다. In our current information focused society, information is regarded as a core asset and the leakage of customers’ information has emerged as a critical issue, especially in financial companies. It is very likely that the technology that safeguards which is currently in commercial use is not focused at an enterprise level but is fragmented by function or by only guards portions of a customer’s personal information. Therefore, It is necessary to study the systems which monitor the indictors of access at an enterprise level in order to preemptively prevent the compromise of such data. This study takes an enterprise perspective on such systems for a financial company. I will focus on examination of the methods of implementation of the monitoring system, the application of pattern analysis and examination of Security Risk Indicators (SRI). A trial of the monitoring system provided security managers and related departments with proper screening capabilities of information. Therefore, it is possible to establish a systemic counter-plans based on detectable patterns.
중국에 거주하는 한국인 유학생의 건강증진행위에 영향을 미치는 요인
박성주(Park Sung Ju),최순희(Choi Soon Hee) 기본간호학회 2006 기본간호학회지 Vol.13 No.2
Purpose: This study was done to examine the level of performance and predictors influencing health promotion behavior of Korean students in China. Method: The participants were 160 Korean students who have lived in Beijing, China. Data were collected by self reporting questionnaire from september to november, 2001 and t-test, ANOVA, Person's correlation coefficients, and stepwise multiple regression were used to analyze the data. Results: The health promotion behavior score showed a positive correlation with perceived health status(r=.17, p=.025), social support(r=.29, p=.0001), and self-efficacy(r=.41, p=.000l). By use of stepwise multiple regression analysis, it was determined that the main factors influencing health promotion behavior were self-efficacy 17.0%(F=32.56, p=.0001) and social support 2.2%(F=4.11, p=.044). These variables explained 19.2% of the variance in the health promotion behavior scores. Conclusion: Self-efficacy and social support were the main factors influencing health promotion behavior. These findings showed that we need to develop nursing strategies to promote self-efficacy and social support for Korean students in China.
비후성 반흔 / 켈로이드에서 경표피수분손실의 측정을 통한 피부장벽 기능의 연구
박성주(Sung Ju Park),김종민(Jong Min Kim),이철헌(Cheol Heon Lee),이종주(Chong Ju Lee) 대한피부과학회 2000 대한피부과학회지 Vol.38 No.2
N/A Background:Hypertrophic scars and keloids have been regarded as representative of the proliferative change of the connective tissue of the dermis. Clinically, postburn and surgical scars show a smooth, shiny, erythematous appearance at an early stage. It is readily conceivable that, in such scars, changes may take place not only in the dermis but also in the epidermis and, possibly in the stratum corneum (SC). However, in contrast to the tremendous number of studies of scars on the dermis, those studies focusing on the epidermis and the SC have been scarce. Objective:We have focused on the function of the SC covering the post-burn scar tissue and keloids. Methods:Using noninvasive bioengineering measurements of functional properties of the SC, such as transepidermal water loss(TEWL), we evaluated the SC barrier function in various types of healing wounds, such as early erythematous lesion, hypertrophic scar, keloid, healed atrophic scar, scar occurring at the recipient site of the skin grafts and the adjacent normal appearing skin for control. Results: 1. The TEWL values were 14.9±7.3 in early erythematous lesions, 13.2±7.5 in hypertrophic scars, 10.2±5.8 in keloids, 5.6±1.3 in healed atrophic scars, 6.9±4.3 in scars occurring at the recipient site of the skin grafts. Significantly increased TEWL values were found in all individual lesions(p>0.01) except for the scars occurring at the recipient site of the skin grafts(p<0.05) compared with the corresponding normal control skin. 2. When we randomly compared early erythematous lesions, hypertrophic scars, keloids, atrophic (Korean J Dermatol 2000;38(2):176~182)
3차원 파단 변형률 평면을 이용한 비보강 원판의 펀칭 파단 시뮬레이션
박성주(Sung-Ju Park),이강수(Kangsu Lee),정준모(Joonmo Choung) 한국해양공학회 2016 韓國海洋工學會誌 Vol.30 No.6
Accidental events such as collisions, groundings, and hydrocarbon explosions in marine structures can cause catastrophic damage. Thus, it is extremely important to predict the extent of such damage, which determines the total amount of oil spills and the residual hull girder strength. Punching fracture tests were conducted by Choung (2009b), where various sizes of indenters and circular unstiffened steel plates with different thicknesses were used to quasi-statically realize damage extents. A three-dimensional fracture strain surface was developed based on a reference (Choung et al., 2015b), where the average stress triaxiality and average normalized Lode angle were used as the parameters governing the fracture of ductile steels. In this study, new numerical analyses were performed using very fine axisymmetric elements in combination with an Abaqus user-subroutine to implement the three-dimensional fracture strain surface. Conventional numerical analyses were also conducted for the tests to identify the best fit fracture strain values by changing the fracture strains. Based on the phenomenon of the average normalized Lode angle starting out positive and then becoming slightly negative, it was inferred that the shear stress primarily dominates in determining the fractures locations, with a partial contribution from the compressive stress. It should be stated that the three-dimensional fracture surface effectively predicted at least the shear stress-dominant fracture behavior of a mild steel.
선형 및 비선형 손상 발전 모델을 이용한 고장력강(EH36)의 연성 파단 예측
박성주(Sung-Ju Park),박병재(Byoungjae Park),정준모(Joonmo Choung) 한국해양공학회 2017 韓國海洋工學會誌 Vol.31 No.4
A study of the damage evolution laws for ductile materials was carried out to predict the ductile fracture behavior of a marine structural steel (EH36). We conducted proportional and non-proportional stress tests in the experiments. The existing 3-D fracture strain surface was newly calibrated using two fracture parameters: the average stress triaxiality and average normalized load angle taken from the proportional tests. Linear and non-linear damage evolution models were taken into account in this study. A damage exponent of 3.0 for the non-linear damage model was determined based on a simple optimization technique, for which proportional and non-proportional stress tests were simultaneously used. We verified the validity of the three fracture models: the newly calibrated fracture strain model, linear damage evolution model, and non-linear damage evolution model for the tensile tests of the asymmetric notch specimens. Because the stress evolution pattern for the verification tests remained at mode I in terms of the linear elastic fracture mechanics, the three models did not show significant differences in their fracture initiation predictions.
GYRO와 ARM을 이용한 항해 중 선박 평형 안정화 시스템
박성주(Sung-Ju Park),장운용(un-Yong Jang),양용(Young Yang),김경률(Kyung-Roul Kim),하승위(Seoug-Whi Ha),박상준(Sang-Jun Park),유재준(Jae-Jun Rue),서동환(Dong-Hoan Seo) 한국마린엔지니어링학회 2008 한국마린엔지니어링학회 학술대회 논문집 Vol.2008 No.-
This paper describes the stable system of Ship balance by using ARM(Advanced RISC(Reduced Instruction Set Computer) Machines Ltd.,) & CYRO during the voyage. Generally, the slope is controlled by using Fin stabilizer or RRS(Rudder Roll Stabilization System). Especially, the cruise must remove the vibration and noise through other balance system fer passenger. The proposed water ballast system composes of ARM BOARD, GYRO, WATER PUMP AND UPS(Uninterruptible Power Supply). When the ARM BOARD detect the signal from the GYRO and control the WATER PUMP and then get the stability. Fail Safety System also maintain the stable state from the emergency situation by using the UPS and Software.