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다단계 보안통제가 가능한 확장된 역할기반 접근통제 모델
김학범,홍기융,김동규,Kim, Hak-Beom,Hong, Gi-Yung,Kim, Dong-Gyu 한국정보처리학회 2000 정보처리논문지 Vol.7 No.6
RBAC(Role Based Access Control) is an access control method based on the user's roles and it provides more flexibility and applicability on the various computer and network security fields than DAC(Discretionary Access Control) or MAC(Mandator Access Control). In this paper, e newly propose ERBAC\ulcorner(Extended RBAC\ulcorner) model by considering subject's and object's roles and security levels for roles additionally to RBAC\ulcorner model which is firstly proposed by Ravi S. Sandhu as a base model. The proposed ERBAC\ulcorner model provides finer grained access control with multilevel security on he base of subject and object level than RBAC\ulcorner model.
폴리머 격자 보강재를 이용한 3D 프린팅 시멘트계 외장재의 구조 거동 분석
김학범(Kim, Hak-Beom),박민재(Park, Min-Jae),주영규(Ju, Young K.) 대한건축학회 2018 大韓建築學會論文集 : 構造系 Vol.34 No.11
Cladding that finishes the exterior of a building could enhance the value of the building, and shape control is an important factor. With the recent development of 3D printing, cementitious claddings were printed by 3D printer in China, U.S.A and elsewhere. On the other hand, the structural safety of the exterior panel should be examined, as casualties occur when the exterior panel fails due to typhoon or impact. Cement-based cladding is reinforced by wire mesh to improve safety. Introducing 3D printing composite system with polymer and cement, makes it possible to produce claddings fast and accurate. Prior to the development of 3D printing cementitious cladding, the major parameters influencing the optimal shape were identified based on structural performance. The wind load, joint, and bond behavior between polymer and cement were considered. Polymer laminate shape, order, and thickness were variables, and finite element analysis was performed.
다단계 보안통제가 가능한 확장된 역할기반 접근통제 모델
김학범 ( Hak Beom Kim ),홍기융 ( Ki Yoong Hong ),김동규 ( Dong Kyoo Kim ) 한국정보처리학회 2000 정보처리학회논문지 Vol.7 No.6
RBAC(Role Based Access Control) is an access control method based on the user``s roles and it provides more flexibility and applicability on the various computer and network security fields than DAC(Discretionary Access Control) or MAC(Mandator Access Control). In this paper, e newly propose ERBAC\ulcorner(Extended RBAC\ulcorner) model by considering subject``s and object``s roles and security levels for roles additionally to RBAC\ulcorner model which is firstly proposed by Ravi S. Sandhu as a base model. The proposed ERBAC\ulcorner model provides finer grained access control with multilevel security on he base of subject and object level than RBAC\ulcorner model.