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» Using trust and risk in role-based access control policies
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MM
2004
ACM
106views Multimedia» more  MM 2004»
15 years 3 months ago
SMARXO: towards secured multimedia applications by adopting RBAC, XML and object-relational database
In this paper, a framework named SMARXO is proposed to address the security issues in multimedia applications by adopting RBAC (Role-Based Access Control), XML, and ObjectRelation...
Shu-Ching Chen, Mei-Ling Shyu, Na Zhao
75
Voted
RBAC
1998
84views more  RBAC 1998»
14 years 11 months ago
Decentralized User-role Assignment for Web-based Intranets
The intricacy of security administration is one of the most challenging problems in large networked systems. This problem is especially serious in the Web environment, which consi...
Ravi S. Sandhu, Joon S. Park
IJCMAM
2010
160views more  IJCMAM 2010»
14 years 6 months ago
Exploring Type-and-Identity-Based Proxy Re-Encryption Scheme to Securely Manage Personal Health Records
Commercial Web-based Personal-Health Record (PHR) systems can help patients to share their personal health records (PHRs) anytime from anywhere. PHRs are very sensitive data and an...
Luan Ibraimi, Qiang Tang, Pieter H. Hartel, Willem...
91
Voted
ICTAI
2009
IEEE
15 years 4 months ago
Managing Authorization Provenance: A Modal Logic Based Approach
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
Jinwei Hu, Yan Zhang, Ruixuan Li, Zhengding Lu
SACMAT
2006
ACM
15 years 3 months ago
Fine-grained role-based delegation in presence of the hybrid role hierarchy
Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...
James B. D. Joshi, Elisa Bertino