Role-Based Access Control Models
Computer
Modeling and Analysis of Workflows Using Petri Nets
Journal of Intelligent Information Systems - Special issue on workflow management systems
The specification and enforcement of authorization constraints in workflow management systems
ACM Transactions on Information and System Security (TISSEC) - Special issue on role-based access control
SecureFlow: a secure Web-enabled workflow management system
RBAC '99 Proceedings of the fourth ACM workshop on Role-based access control
An Authorization Model for Workflows
ESORICS '96 Proceedings of the 4th European Symposium on Research in Computer Security: Computer Security
Organization based access control
POLICY '03 Proceedings of the 4th IEEE International Workshop on Policies for Distributed Systems and Networks
ACSW Frontiers '03 Proceedings of the Australasian information security workshop conference on ACSW frontiers 2003 - Volume 21
Modelling Contexts in the Or-BAC Model
ACSAC '03 Proceedings of the 19th Annual Computer Security Applications Conference
The extended access matrix model of computer security
ACM SIGSOFT Software Engineering Notes - Proceedings of VERkshop III -- a formal verification workshop
Nomad: A Security Model with Non Atomic Actions and Deadlines
CSFW '05 Proceedings of the 18th IEEE workshop on Computer Security Foundations
Semantic service composition framework for multidomain ubiquitous computing applications
ICSOC'12 Proceedings of the 10th international conference on Service-Oriented Computing
Information and Software Technology
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Workflows are operational business processes. Workfow Management Systems (WFMS) are concerned with the control and coordination of these workflows. In recent years, there has been a trend to integrate WFMS in distributed inter-organizational systems. In this case malfunctioning of one WFMS can affect more than one organization, making the correct functioning of a WFMS a critical issue. Thus, an important function of WFMS is to enforce the security of these inter-organizational workflows. Several works have been done to integrate the security aspects in the workflow specification. Unfortunately, these research works generally adopt a centralized management approach and are based on static access control models. In this paper, we suggest a decentralized and dynamic approach to handle access control in workflows.