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An Access Control Framework for WS-BPEL Processes
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Author(s): Federica Paci (Università degli Studi di Trento, Italy), Elisa Bertino (CS Department and ECE School, CERIAS, Purdue University, USA)and Jason Crampton (Royal Halloway, University of London, UK)
Copyright: 2013
Pages: 25
Source title:
Digital Rights Management: Concepts, Methodologies, Tools, and Applications
Source Author(s)/Editor(s): Information Resources Management Association (USA)
DOI: 10.4018/978-1-4666-2136-7.ch015
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Abstract
Business processes –the next generation workflows- have attracted considerable research interest in the last fifteen years. More recently, several XML-based languages have been proposed for specifying and orchestrating business processes, resulting in the WS-BPEL language. Even if WS-BPEL has been developed to specify automated business processes that orchestrate activities of multiple Web services, there are many applications and situations requiring that people be considered as additional participants that can influence the execution of a process. Significant omissions from WS-BPEL are the specification of activities that require interactions with humans to be completed, called human activities, and the specification of authorization information associating users with human activities in a WS-BPEL business process and authorization constraints, such as separation of duty, on the execution of human activities. In this chapter, we address these deficiencies by introducing a new type of WS-BPEL activity to model human activities and by developing RBAC-WS-BPEL, a role based access control model for WS-BPEL and BPCL, a language to specify authorization constraints.
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