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sryll's Abramowicz:W [4 articles]

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	Proceedings of the 11th Int'l Conference on Business Information Systems (BIS 2008) In Proceedings of the 11th Int'l Conference on Business Information Systems ({BIS} 2008) (2008) edited by Witold Abramowicz, Dieter Fensel posted to no-tag by sryll on 2008-11-04 19:08:10 Copy My Attachments My Copy
	Advanced Querying and Reasoning on Business Process Models Business Information Systems In Proceedings of the 11th Int'l Conference on Business Information Systems ({BIS} 2008) (2008), pp. 189-200. by Ivan Markovic edited by Witold Abramowicz, Dieter Fensel posted to querying by sryll on 2008-08-22 12:31:53 Abstract Copy My Attachments My Copy Abstract In order to respond quickly to changing market requirements, a business organisation needs to increase the level of agility in all phases of the business process engineering chain. Business process (BP) modelling is the first and most important phase in this chain. Designing a new and redesigning an existing process model is a highly complex, time consuming and error prone task. The research question that this work investigates is how to facilitate the design of new and redesign of existing process ...
	Specifying Separation of Duty Constraints in BPEL4People Processes Business Information Systems In Proceedings of the 11th Int'l Conference on Business Information Systems ({BIS} 2008) (2008), pp. 273-284. by Jan Mendling, Karsten Ploesser, Mark Strembeck edited by Witold Abramowicz, Dieter Fensel posted to bpel bpel4people compliance constraints rbac by sryll on 2008-05-27 17:45:40 Abstract Copy My Attachments My Copy Abstract Security issues have to be carefully considered for information systems that support the business processes of an organization, in particular, when these systems build on open interfaces such as web services. In this paper, we examine the new BPEL extension BPEL4People from an access control perspective. In particular, we discuss the importance of “separation of duty” constraints and identify options to specify such constraints in BPEL4People processes. Moreover, we identify and discuss shortcomings of the BPEL4People specifications that complicate and/or impede ...
	Structural Detection of Deadlocks in Business Process Models Business Information Systems In Proceedings of the 11th Int'l Conference on Business Information Systems ({BIS} 2008) (2008), pp. 239-250. by Ahmed Awad, Frank Puhlmann edited by Witold Abramowicz, Dieter Fensel posted to bpmn-q querying by sryll on 2008-05-22 15:32:46 Abstract Copy My Attachments My Copy Abstract A common task in business process modelling is the verification of process models regarding syntactical and structural errors. While the former might be checked with low efforts, the latter usually requires a complex state-space analysis to prove properties like deadlock-freedom of the models. In this paper, we address the issue of deadlock detection with a novel approach based on business process querying. Using queries, we are able to detect a broad range of common structural errors that lead to deadlocks, such ...

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