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Auflistung nach Autor:in "Dustdar, Schahram"

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  • Zeitschriftenartikel
    Model-driven Development of Web Service Transactions
    (Enterprise Modelling and Information Systems Architectures - An International Journal: Vol. 1, Nr. 1, 2005) Schmit, Benjamin A.; Dustdar, Schahram
    Composite Web service design using model-driven approaches has been in use for several years now, but the modelling of transactional properties is still uncommon and has not yet been subject to much research. For a distributed system of autonomous components like Web services, especially when they are used for implementing business processes, transactional guarantees can be of vital importance. In this paper, we propose a model-driven approach which introduces a separate design layer dedicated to transactions. We show that our systematic modelling approach is able to introduce transactions in the design without increasing the complexity of the basic UML diagram. Our approach can also be reused to specify other properties of Web services such as security requirements or workflows in additional layers.
  • Konferenzbeitrag
    Towards Autonomic Processes and Services
    (Business process and services computing – 1st international working conference on business process and services computing – BPSC 2007, 2007) Dustdar, Schahram
    More than ever, computing devices are becoming more powerful and networked, organizational boundaries are dissolving, and underlying information systems become more complex, thus requiring higher degrees of autonomic behavior of the business processes and software services they support. In this keynote talk the main challenges towards building the required novel conceptual abstractions as well as needed technological implementations are presented and discussed.
  • Konferenzbeitrag
    Vergleich und Kombination von Techniken des Predictive Business Process Monitoring
    (Software Engineering 2017, 2017) Metzger, Andreas; Leitner, Philipp; Ivanovic, Dragan; Schmieders, Eric; Franklin, Rod; Carro, Manuel; Dustdar, Schahram; Pohl, Klaus
    Wir stellen einen experimentellen Vergleich von Prognosetechniken für das Predictive Business Process Monitoring vor. Ausgehen von unseren Experimentergebnissen schlagen wir eine geeignete Kombination von Prognosetechniken vor.
  • Konferenzbeitrag
    View-based and Model-driven Approach for Reducing the Development Complexity in Process-Driven SOA
    (Business process and services computing – 1st international working conference on business process and services computing – BPSC 2007, 2007) Tran, Huy; Zdun, Uwe; Dustdar, Schahram
    In process-driven, service-oriented architectures (SOA), process activities invoke services to perform the various tasks of the process. As the number of elements involved in a business process architecture, such as processes, process activities, and services, grows, the complexity of process development also increases along with the number of the elements’ relationships, interactions, and data exchanges – and quickly becomes hardly manageable. In addition, process-driven SOA models address different stakeholders, such as business experts and technical experts, who require different kinds of information for their work. Finally, process-driven SOA models must deal with constant changes – both at the business level (e.g. business concept changes) and the technical level (e.g. technologies and platform changes). Separation of concerns is a promising approach to manage such development complexity. In this paper, we propose a view-based, model-driven approach with three major contributions: firstly, it captures different perspectives of a business process model in separate, (semi-)formalized views; secondly, it separates different abstraction levels in a business process architecture; thirdly, an extensible model-driven approach to integrate the different view models and abstraction levels is presented. Our approach is beneficial not only in reducing the process development complexity, but also in coping with dynamic changes at all abstraction levels.