Role and task-based access control in the PerDiS groupware platform
RBAC '98 Proceedings of the third ACM workshop on Role-based access control
Injecting RBAC to secure a Web-based workflow system
RBAC '00 Proceedings of the fifth ACM workshop on Role-based access control
An aspect-based process container for BPEL
AOMD '05 Proceedings of the 1st workshop on Aspect oriented middleware development
Empowering collaborative commerce with Web services enabled business process management systems
Decision Support Systems
Process-centric engineering web services in a distributed and collaborative environment
Computers and Industrial Engineering - Special issue: Logistics and supply chain management
Cooperative E-Organizations for Distributed Bioinformatics Experiments
IDEAL '08 Proceedings of the 9th International Conference on Intelligent Data Engineering and Automated Learning
Secure Web Service Workflow Execution
Electronic Notes in Theoretical Computer Science (ENTCS)
Task-activity based access control for process collaboration environments
Computers in Industry
Enabling scientific collaboration on the Grid
Future Generation Computer Systems
Business process collaboration using semantic interoperability: review and framework
ASWC'06 Proceedings of the First Asian conference on The Semantic Web
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Scientific workflows and Web Services have been utilized as a means to promote cooperation among researchers in the area of e-Science. These designs execute over distributed scientific nodes and resources so as to facilitate large scale and complex scientific experiments. These distributed environments using collaborative paradigms based on Web Services and workflow technologies, have specific security requirements. Current research has focused on security requirements of a distributed scientific laboratory (e-lab), such as data confidentiality and integrity, controlled access to resources, and auditing. However, no work exists that investigates trust and reputation of the scientific nodes cooperating in the laboratory. We propose a trust and reputation scheme that operates over such a distributed e-lab environment. The trust and reputation scheme enables the process owner to assess the behavior of nodes by aggregating the number of successful activity executions and detecting malicious or unreliable behavior.