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» Model Checking of Workflow Schemas
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EDBT
2010
ACM
208views Database» more  EDBT 2010»
14 years 2 months ago
Stream schema: providing and exploiting static metadata for data stream processing
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
Peter M. Fischer, Kyumars Sheykh Esmaili, Ren&eacu...
IFIP3
1998
151views Education» more  IFIP3 1998»
13 years 8 months ago
Conceptual Workflow Modelling for Remote Courses
Development of a wide spread project intended to teaching Computer Science, integrating a considerable number of students all over a country with big geographical extension and sc...
José Palazzo M. de Oliveira, Mariano Nicola...
EDBTW
2006
Springer
13 years 11 months ago
Unsatisfiability Reasoning in ORM Conceptual Schemes
ORM (Object-Role Modeling) is a rich and well-known conceptual modeling method. As ORM has a formal semantics, reasoning tasks such as satisfiability checking of an ORM schema natu...
Mustafa Jarrar, Stijn Heymans
ER
2006
Springer
99views Database» more  ER 2006»
13 years 11 months ago
Choreographies as Federations of Choreographies and Orchestrations
We propose a new conceptual model for choreographies of web-services. Choreographies are seen as virtual workflow models shared among participants. Subsets of these participants mi...
Johann Eder, Marek Lehmann, Amirreza Tahamtan
DILS
2004
Springer
13 years 11 months ago
An Ontology-Driven Framework for Data Transformation in Scientific Workflows
Abstract. Ecologists spend considerable effort integrating heterogeneous data for statistical analyses and simulations, for example, to run and test predictive models. Our research...
Shawn Bowers, Bertram Ludäscher