Role based access control is one of the widely used access control models.There are investigations in the literature that use knowledge representation mechanisms such as formal concept analysis(FCA),description logics...Role based access control is one of the widely used access control models.There are investigations in the literature that use knowledge representation mechanisms such as formal concept analysis(FCA),description logics,and Ontology for representing access control mechanism.However,while using FCA,investigations reported in the literature so far work on the logic that transforms the three dimensional access control matrix into dyadic formal contexts.This transformation is mainly to derive the formal concepts,lattice structure and implications to represent role hierarchy and constraints of RBAC.In this work,we propose a methodology that models RBAC using triadic FCA without transforming the triadic access control matrix into dyadic formal contexts.Our discussion is on two lines of inquiry.We present how triadic FCA can provide a suitable representation of RBAC policy and we demonstrate how this representation follows role hierarchy and constraints of RBAC on sample healthcare network available in the literature.展开更多
Role mining and setup affect the usage of role-based access control(RBAC).Traditionally,user's role and permission assigning are manipulated by security administrator of system.However,the cost is expensive and th...Role mining and setup affect the usage of role-based access control(RBAC).Traditionally,user's role and permission assigning are manipulated by security administrator of system.However,the cost is expensive and the operating process is complex.A new role analyzing method was proposed by generating mappings and using them to provide recommendation for systems.The relation among sets of permissions,roles and users was explored by generating mappings,and the relation between sets of users and attributes was analyzed by means of the concept lattice model,generating a critical mapping between the attribute and permission sets,and making the meaning of the role natural and operational.Thus,a role is determined by permission set and user's attributes.The generated mappings were used to automatically assign permissions and roles to new users.Experimental results show that the proposed algorithm is effective and efficient.展开更多
The role of water in the formation of the first human habitats is a response to a biological need. But when above a need, home building and constructing residential complexes have a cultural meaning, architecture is e...The role of water in the formation of the first human habitats is a response to a biological need. But when above a need, home building and constructing residential complexes have a cultural meaning, architecture is emerged and water in human life has an artistic place and it is originated from the creativity of the artists and architects. Understanding the concept of water in architecture is understanding the concept of water architecture. Understanding the physical laws of water behavior is our emotions to the interaction of water and most importantly the role and allegory and its relationship with human life. Water is a paradoxical metaphor and along with soil, fire and air, consists of the four comprising elements of the universe. If someone asks us to define water, we say it is a colorless liquid which is the source of life, but is it really the definition of water in architecture and only in terms of the physical aspect, it is an interface between man and architecture? To answer this question, first we examine the available resources in this field and desk studies about the architectural spirit and then examine the water hidden side and the way it affects humans and architecture through descriptive-analytical method, so by contemplating in them, the question can also be answered. From the beginning, water was a vital element not only for the body but for the soul.展开更多
The Belt and Road Initiative requires the urgent revival of the Southern Silk Road. This means a good understanding of its rich historical connotations and its comprehensive and mutual-beneficial functions. Starting f...The Belt and Road Initiative requires the urgent revival of the Southern Silk Road. This means a good understanding of its rich historical connotations and its comprehensive and mutual-beneficial functions. Starting from a very early period, the Southern Silk Road has played an important role in the history of Yunnan and has been characterized by using cowry as money. This paper proposes the development of a new economic corridor along the Southern Silk Road from Xi'an in the north, via Chengdu and Kunming, to South Asia and Southeast Asia thus linking the Silk Road Economic Belt to the 21 st Century Maritime Silk Road. This will bring about a new phase of all-around opening-up linking domestic and overseas markets via land and sea.展开更多
目的:对国内外高级实践护士(advanced practice nurse,APN)角色导入框架和常见问题进行范围综述,为我国APN培养和管理提供参考。方法:按照范围综述实施的方法和步骤,系统检索中国生物医学文献数据库、中国知网、万方数据库、维普中文科...目的:对国内外高级实践护士(advanced practice nurse,APN)角色导入框架和常见问题进行范围综述,为我国APN培养和管理提供参考。方法:按照范围综述实施的方法和步骤,系统检索中国生物医学文献数据库、中国知网、万方数据库、维普中文科技期刊数据库、PubMed、Web of Science、Wiley-Blackwell和CINAHL数据库中关于APN引进和发展的文献,检索时限为建库到2022年3月25日。由2名研究者独立对文献进行筛选和数据提取。结果:最终纳入20篇英文文献,梳理出5个指导APN导入的理论框架,框架内容主要包含确定病人需求、明确APN实践范围、持续动态评估APN实践效果、APN核心能力和认证方法以及长期发展计划;导入过程中常见问题为角色紧张、角色压力源、角色模糊、角色不协调、角色冲突、角色转换。结论:各国实施APN的医疗环境存在差异,我国可在借鉴国外成熟的理论框架基础上,探索符合我国国情的高级护理实践方案。展开更多
基金the financial support from Department of Science and Technology,Government of India under the grant:SR/CSRI/118/2014
文摘Role based access control is one of the widely used access control models.There are investigations in the literature that use knowledge representation mechanisms such as formal concept analysis(FCA),description logics,and Ontology for representing access control mechanism.However,while using FCA,investigations reported in the literature so far work on the logic that transforms the three dimensional access control matrix into dyadic formal contexts.This transformation is mainly to derive the formal concepts,lattice structure and implications to represent role hierarchy and constraints of RBAC.In this work,we propose a methodology that models RBAC using triadic FCA without transforming the triadic access control matrix into dyadic formal contexts.Our discussion is on two lines of inquiry.We present how triadic FCA can provide a suitable representation of RBAC policy and we demonstrate how this representation follows role hierarchy and constraints of RBAC on sample healthcare network available in the literature.
基金Project(61003140) supported by the National Natural Science Foundation of ChinaProject(013/2010/A) supported by Macao Science and Technology Development FundProject(10YJC630236) supported by Social Science Foundation for the Youth Scholars of Ministry of Education of China
文摘Role mining and setup affect the usage of role-based access control(RBAC).Traditionally,user's role and permission assigning are manipulated by security administrator of system.However,the cost is expensive and the operating process is complex.A new role analyzing method was proposed by generating mappings and using them to provide recommendation for systems.The relation among sets of permissions,roles and users was explored by generating mappings,and the relation between sets of users and attributes was analyzed by means of the concept lattice model,generating a critical mapping between the attribute and permission sets,and making the meaning of the role natural and operational.Thus,a role is determined by permission set and user's attributes.The generated mappings were used to automatically assign permissions and roles to new users.Experimental results show that the proposed algorithm is effective and efficient.
文摘The role of water in the formation of the first human habitats is a response to a biological need. But when above a need, home building and constructing residential complexes have a cultural meaning, architecture is emerged and water in human life has an artistic place and it is originated from the creativity of the artists and architects. Understanding the concept of water in architecture is understanding the concept of water architecture. Understanding the physical laws of water behavior is our emotions to the interaction of water and most importantly the role and allegory and its relationship with human life. Water is a paradoxical metaphor and along with soil, fire and air, consists of the four comprising elements of the universe. If someone asks us to define water, we say it is a colorless liquid which is the source of life, but is it really the definition of water in architecture and only in terms of the physical aspect, it is an interface between man and architecture? To answer this question, first we examine the available resources in this field and desk studies about the architectural spirit and then examine the water hidden side and the way it affects humans and architecture through descriptive-analytical method, so by contemplating in them, the question can also be answered. From the beginning, water was a vital element not only for the body but for the soul.
文摘The Belt and Road Initiative requires the urgent revival of the Southern Silk Road. This means a good understanding of its rich historical connotations and its comprehensive and mutual-beneficial functions. Starting from a very early period, the Southern Silk Road has played an important role in the history of Yunnan and has been characterized by using cowry as money. This paper proposes the development of a new economic corridor along the Southern Silk Road from Xi'an in the north, via Chengdu and Kunming, to South Asia and Southeast Asia thus linking the Silk Road Economic Belt to the 21 st Century Maritime Silk Road. This will bring about a new phase of all-around opening-up linking domestic and overseas markets via land and sea.
文摘目的:对国内外高级实践护士(advanced practice nurse,APN)角色导入框架和常见问题进行范围综述,为我国APN培养和管理提供参考。方法:按照范围综述实施的方法和步骤,系统检索中国生物医学文献数据库、中国知网、万方数据库、维普中文科技期刊数据库、PubMed、Web of Science、Wiley-Blackwell和CINAHL数据库中关于APN引进和发展的文献,检索时限为建库到2022年3月25日。由2名研究者独立对文献进行筛选和数据提取。结果:最终纳入20篇英文文献,梳理出5个指导APN导入的理论框架,框架内容主要包含确定病人需求、明确APN实践范围、持续动态评估APN实践效果、APN核心能力和认证方法以及长期发展计划;导入过程中常见问题为角色紧张、角色压力源、角色模糊、角色不协调、角色冲突、角色转换。结论:各国实施APN的医疗环境存在差异,我国可在借鉴国外成熟的理论框架基础上,探索符合我国国情的高级护理实践方案。
