A new approach to the maximum-flow problem
Journal of the ACM (JACM)
Network flows: theory, algorithms, and applications
Network flows: theory, algorithms, and applications
Computational Issues in Secure Interoperation
IEEE Transactions on Software Engineering
Formal specification for role based access control user/role and role/role relationship management
RBAC '98 Proceedings of the third ACM workshop on Role-based access control
Conflicts in Policy-Based Distributed Systems Management
IEEE Transactions on Software Engineering
Providing Security and Interoperation of HeterogeneousSystems
Distributed and Parallel Databases - Security of data and transaction processing
An algebra for composing access control policies
ACM Transactions on Information and System Security (TISSEC)
Temporal hierarchies and inheritance semantics for GTRBAC
SACMAT '02 Proceedings of the seventh ACM symposium on Access control models and technologies
A propositional policy algebra for access control
ACM Transactions on Information and System Security (TISSEC)
Composing security policies with polymer
Proceedings of the 2005 ACM SIGPLAN conference on Programming language design and implementation
Secure Interoperation in a Multidomain Environment Employing RBAC Policies
IEEE Transactions on Knowledge and Data Engineering
Secure collaboration in mediator-free environments
Proceedings of the 12th ACM conference on Computer and communications security
Analyzing Security Interoperability during Component Integration
ICIS-COMSAR '06 Proceedings of the 5th IEEE/ACIS International Conference on Computer and Information Science and 1st IEEE/ACIS International Workshop on Component-Based Software Engineering,Software Architecture and Reuse
Defeasible security policy composition for web services
Proceedings of the fourth ACM workshop on Formal methods in security
A simple and expressive semantic framework for policy composition in access control
Proceedings of the 2007 ACM workshop on Formal methods in security engineering
Security Violation Detection for RBAC Based Interoperation in Distributed Environment
IEICE - Transactions on Information and Systems
Mediator-free secure policy interoperation of exclusively-trusted multiple domains
ISPEC'08 Proceedings of the 4th international conference on Information security practice and experience
Modular access control via strategic rewriting
ESORICS'07 Proceedings of the 12th European conference on Research in Computer Security
Wireless telemedicine and m-health: technologies, applications and research issues
International Journal of Sensor Networks
A survey of security visualization for computer network logs
Security and Communication Networks
Security and Communication Networks
Secure interoperation design in multi-domains environments based on colored Petri nets
Information Sciences: an International Journal
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In multiple heterogeneous systems, one of key challenges of integrating policies is the conflict detection and resolution while preserving individual policy consistency. In this paper, the inheritance hierarchy of a security policy is formulated with a directed graph. Solving Inheritance Violation Problem (IVP) is formulated as a feedback arc set problem, which is NP-hard. Then some classical approximation algorithms are introduced. The IVP in two interoperating domains is converted into the problem of finding a minimum weight vertex cover problem in a bipartite graph, which is polynomial-time solvable.