By Roger Tagg, Zoran Milosevic, Sachin Kulkarni, Simon Gibson (auth.), Fernando Galindo, Makoto Takizawa, Roland Traunmüller (eds.)
DEXA 2004, the fifteenth overseas convention on Database and professional platforms functions, was once held August 30 ? September three, 2004, on the collage of Zaragoza, Spain. The quick growing to be spectrum of database purposes has ended in the establisment of extra really expert dialogue structures (DaWaK convention, EC-Web convention, EGOVConference, Trustbus convention and DEXA Workshop: each DEXA occasion has its personal convention proceedings), which have been held in parallel with the DEXA convention additionally in Zaragoza. on your palms are the result of a lot attempt. The paintings starts with the coaching of the submitted papers, which then plow through the reviewing technique. The authorized papers are revised to ultimate models by way of their authors and are then prepared in the convention application. All culminates within the convention itself. For this convention 304 papers have been submitted, and that i are looking to thank to all who contributed to it; they're the genuine base of the convention. this system committee and the aiding reviewers produced altogether 942 referee stories, in typical 3,1 experiences consistent with paper, and chosen ninety two papers for presentation. At this element we want to assert many due to the entire associations that actively supported this convention and made it attainable. those have been: • college of Zaragoza • FAW • DEXA organization • Austrian machine Society
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Additional info for Database and Expert Systems Applications: 15th International Conference, DEXA 2004, Zaragoza, Spain, August 30-September 3, 2004. Proceedings
M. Weijters. Workflow mining: A survey of issues and approaches. DKE, 47(2):237–267, 2003. 14. M. Wyner. Defining specialization for process models. html 15. W3C. OWL web ontology language reference. 16. M. Stumptner, and M. Schrefl. Behavior Consistent Inheritance in UML. In Proc. 19th Int. Conf. on Conceptual Modeling (ER 2000), 527542, 2000. edu Abstract. Workflow management systems (WFMS) coordinate execution of multiple tasks performed by different entities within an organization. In order to coordinate the execution of the various tasks in a workflow, task dependencies are specified among them.
A workflow schema is specified by (1) the types of inputs and outputs needed by workflows instances satisfying this schema, (2) the specification of the types of tasks, and (3) the dependencies between these tasks. Each workflow is actually an instance of a workflow schema. We denote the schema associated with workflow as We denote the type of task as Each type of task is specified by (1) the types of inputs and outputs, if any, needed by tasks of this type, (2) recovery attributes for this type of tasks, (3) compensation-flow for this type of tasks, and (4) alternate-flow for this type of tasks.
Web/grid computing, e-commerce and e-business [4,6]), where customization and reuse issues play a crucial role. In this paper we devise a framework which supports designers in the definition, analysis and re-engineering of process models in complex and dynamic contexts. The main goal of our approach is to fully exploit the experience gained by designers over time, and somehow encoded in the process models defined so far. g. activities and associated input/output parameters). Moreover, in order to make easier the exploitation of design knowledge, we use specialization/inheritance relationships to organize process models into taxonomies, which can sensibly reduce the efforts for reusing and customizing a model.