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  • no (3)
  • yes (1)

Author

  • Guido Wirtz (3)
  • Jörg Lenhard (2)
  • Benedikt Westermann (1)
  • Dominik Herrmann (1)
  • Johannes Renner (1)
  • Karsten Loesing (1)
  • Matthias Geiger (1)
  • Rolf Wendolsky (1)
  • Sebastian Pape (1)
  • Stefan Kolb (1)

Year of publication

  • 2012 (2)
  • 2008 (1)
  • 2013 (1)

Document Type

  • Konferenzveröffentlichung (4) (remove)

Keywords

  • Adapter (1)
  • Anonymisierung (1)
  • BPEL (1)
  • BPMN 2.0 (1)
  • Correctness (1)
  • Datenschutz (1)
  • Datenschutz / Programmierung / Kongreß / Aachen <2008> / Online-Publikation (1)
  • Interoperability (1)
  • Orchestration (1)
  • Petri Nets (1)

Institute

  • Lehrstuhl für Praktische Informatik (4) (remove)

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Show/Hide Abstract Detecting Interoperability and Correctness Issues in BPMN 2.0 Process Models (2013)
Matthias Geiger Guido Wirtz
Although BPMN 2.0 is an international standard widely used in practice, interoperability of process models is still an issue. Even between tools and engines claiming to be BPMN compliant the model exchange is often complicated or impossible as the tools produce incorrect model representations or do not support the standardized BPMN serialization format. In this position paper we present reasons for interoperability issues and show why defining a set of constraints derived from the standard is crucial to fix an important subset of those issues. We are currently developing a tool which can check this set of rules automatically.
Show/Hide Abstract Bridging the Heterogeneity of Orchestrations – A Petri Net–based Integration of BPEL and Windows Workflow (2012)
Stefan Kolb Jörg Lenhard Guido Wirtz
Service orchestrations are a powerful tool for implementing intra– and interorganizational business processes that base on services. Several heterogeneous orchestration languages can be found in contemporary IT landscapes. While the Web Services Business Process Execution Language (BPEL) is the de facto standard, others gain attention, including Windows Workflow (WF) in the .NET segment. When integrating orchestrations, incompatibilities between them can easily arise. In this paper, we investigate an automated Petri net–based integration between BPEL and WF to solve these issues with behavioral adapter services. We provide a mapping of WF to Open Workflow Nets (oWFNs) and implement it in a compiler. Thereby, we integrate our approach with existing approaches for BPEL and adapter synthesis and validate the integration with a standards–based case study using the two languages.
Show/Hide Abstract Building Orchestrations in B2Bi – The Case of BPEL 2.0 and BPMN 2.0 (2012)
Jörg Lenhard Guido Wirtz
Various approaches for service-oriented business-to-business integration (B2Bi) rely on a top-down development methodology. The starting point is a choreography model which is subsequently partitioned into multiple orchestrations. Most current approaches use the Web Services Business Process Execution Language (BPEL) for implementing the latter. At the same time, a plethora of other languages, such as Business Process Model and Notation (BPMN) 2.0 process diagrams, is available. As integration partners are free to select the orchestration language of their choice, it should be easy to integrate different orchestration languages with current choreography technology. Language transformation, starting from a suitable format, is a means to achieve this. In this paper, we assess BPEL 2.0 and BPMN 2.0 process diagrams for their suitability for this transformation in a services-based B2Bi setting using a requirements framework identified through a literature study.
Show/Hide Abstract Extended Abstracts of the Second Privacy Enhancing Technologies Convention (PET-CON 2008.1) (2008)
Dominik Herrmann Karsten Loesing Sebastian Pape Johannes Renner Rolf Wendolsky Benedikt Westermann
PET-CON, the Privacy Enhancing Technologies Convention, is a forum for researchers, students, developers, and other interested people to discuss novel research, current developments and techniques in the area of Privacy Enhancing Technologies. PET-CON was first conceived in June 2007 at the 7th International PET Symposium in Ottawa, Canada. The idea was to set up a bi-annual convention in or nearby Germany to be able to meet more often than only once a year at some major conference.

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