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W-RBAC — A Workflow Security Model Incorporating Controlled Overriding of Constraints

Jacques Wainer, Paulo Barthelmess, Akhil Kumar
2003 International Journal of Cooperative Information Systems  
The first of these models, W0-RBAC is based on a framework that couples a powerful RBAC-based permission service and a workflow component with clear separation of concerns for ease of administration of  ...  The permission service is the focus of the work, providing an expressive logic-based language for the selection of users authorized to perform workflow tasks, with preference ranking.  ...  dealt with elsewhere. 21 Hung and Karlapalem 9,10 present the security features of the CapBasED-AMS workflow system and discuss the trade-off between security and risk of a system and present a metric  ... 
doi:10.1142/s0218843003000814 fatcat:gfpcv74atzbw7g2xbpzfby4zlu

Security and privacy aspects of SmartFlow Internet payment system

P.C.K. Hung, K. Karlapalem
Proceedings of the 32nd Annual Hawaii International Conference on Systems Sciences. 1999. HICSS-32. Abstracts and CD-ROM of Full Papers  
Smart cards are replacing traditional magnetic cards for payment transactions. One of the main reasons is enhanced security capabilities that can be built in a smart card.  ...  The main focus of this paper is to present the framework of "SmartFlow" and some important security and privacy issues for bi-directional payment transaction with change among more than two parties involved  ...  The list of privilege for each parties in Smart-Flow is defined before the business activity based on the static and dynamic least privilege enforcement developed in CapBasED-AMS [10, 12, 13, 18] .  ... 
doi:10.1109/hicss.1999.773051 dblp:conf/hicss/HungK99 fatcat:6kkjoqkk5fdslj5eula4tcwqxq

An event- and repository-based component framework for workflow system architecture

Dimitrios Tombros
1999
participate in workflow execution; this phase is supported by a classification framework for processing entities in accordance to their integrationrelated properties.  ...  The approach is centered around a domain-specific software architecture metamodel (the REWORK metamodel) and a repository-based composition framework for workflow system construction out of reusable reactive  ...  I thank the Swiss National Fund and the Ministry of Education of the Kanton of Zurich for funding my position.  ... 
doi:10.5167/uzh-73128 fatcat:5qmg5szxwrfxng4qyid3jwhfoq